Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.41
P. Nandi, S. Roy, S. Bhattacharya, Ayon Pal, K. Chakraborty
Five different popular mango cultivars (Fazli, Guti, Lakhanbhog, Gopalbhog and Langra) of Malda, West Bengal, India were screened for the mango mealy bug (Drosicha mangiferae G.) population in panicle and trunk throughout the pest infestation period during 2018 and 2019. The average pest number at peak time (13 Standard Meteorological Week or SMW) of infestation indicated that maximum pest number of 132.57 and 28.05 was noted in the 30 cm branch of inflorescence and 10 cm2 area of the trunk in Fazli cultivar. Whereas, minimum number of 20.27/ 30 cm branch of inflorescence and 6.36 in the same area of trunk was found in Langra. Study of various biological parameters of mealy bugs also indicated the the order of infestation of the five cultivars as Fazli>Guti>Lakhanbho g>Gopalbhog>Langra. Analysis of various biochemical parameters revealed that there was a significant positive correlation between pest density phagostimulants like sugar, protein, moisture and nitrogen. Significant negative correlation was observed between pest number and alkaloid, flavonoid, phenol, tannin, ascorbic acid as well as crude fibre suggesting their pivotal role in low pest incidence. By considering the adjusted R2 in stepwise multiple regression model, it was noticed that tannin was the most significant factor (39.2 %) followed by nitrogen (15.5 %), flavonoid (11.4 %), phenol (7.7 %), ascorbic acid (6.9 %) and protein (6.2 %) to influence pest number. Factors like moisture (1.0 %), sugar (2.7 %), antioxidant (1.0 %) had minor contributions. Therefore, it can be concluded that a combination of factors influence pest density and a single factor is not adequate to affect the pest population. The study is helpful in understanding the host preference of mealy bug.
{"title":"Biochemical factors associated with mango mealy bug (Drosicha mangiferae G.) infestation in different mango cultivars at Malda, West Bengal (India)","authors":"P. Nandi, S. Roy, S. Bhattacharya, Ayon Pal, K. Chakraborty","doi":"10.37855/JAH.2020.V22I03.41","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.41","url":null,"abstract":"Five different popular mango cultivars (Fazli, Guti, Lakhanbhog, Gopalbhog and Langra) of Malda, West Bengal, India were screened for the mango mealy bug (Drosicha mangiferae G.) population in panicle and trunk throughout the pest infestation period during 2018 and 2019. The average pest number at peak time (13 Standard Meteorological Week or SMW) of infestation indicated that maximum pest number of 132.57 and 28.05 was noted in the 30 cm branch of inflorescence and 10 cm2 area of the trunk in Fazli cultivar. Whereas, minimum number of 20.27/ 30 cm branch of inflorescence and 6.36 in the same area of trunk was found in Langra. Study of various biological parameters of mealy bugs also indicated the the order of infestation of the five cultivars as Fazli>Guti>Lakhanbho g>Gopalbhog>Langra. Analysis of various biochemical parameters revealed that there was a significant positive correlation between pest density phagostimulants like sugar, protein, moisture and nitrogen. Significant negative correlation was observed between pest number and alkaloid, flavonoid, phenol, tannin, ascorbic acid as well as crude fibre suggesting their pivotal role in low pest incidence. By considering the adjusted R2 in stepwise multiple regression model, it was noticed that tannin was the most significant factor (39.2 %) followed by nitrogen (15.5 %), flavonoid (11.4 %), phenol (7.7 %), ascorbic acid (6.9 %) and protein (6.2 %) to influence pest number. Factors like moisture (1.0 %), sugar (2.7 %), antioxidant (1.0 %) had minor contributions. Therefore, it can be concluded that a combination of factors influence pest density and a single factor is not adequate to affect the pest population. The study is helpful in understanding the host preference of mealy bug.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44406956","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.33
Abdallah Aldahadha, N. Samarah, A. Bataineh
: This study was conducted to examine the effect of storage temperature and duration on viability and in vitro germination of pollen grains of seven pistachio cultivars. Pollens were stored at room temperature (24 oC±2), refrigerator (4 oC) and freezer (-5 oC) for 0, 1, 2, 3 and 4 weeks. Pollen viability was estimated by using staining methods including tetrazolium test (TTC), iodine and potassium iodine (IKI) and safranin solutions, and using an in vitro pollen germination. The results showed that at all storage methods and durations, pollen viability and in vitro pollen germination were significantly the highest for Batouri and Ashouri cultivars and the lowest for Marawhi and Elemi cultivars. The highest pollen viability as estimated by safranin staining was attained when pollens were stored under freezer condition. However, pollen viability by TTC was the lowest at room temperature storage. In addition, in vitro pollen germination and viability significantly decreased as storage duration increased. This study revealed no differences between in vitro germination percentages for refrigerated and freezer stored pollen up to 2 weeks. Meanwhile, in vitro germination of room-stored pollen was gradually decreased when storage duration increased. At the end of storage period, pollen viability was reduced slightly under freezer conditions whereas the reduction in viability was the largest for refrigerated and room-stored pollen with no differences between them. This study showed a significant interaction effect of cultivar x storage temperature x storage duration on pollen viability but not for in vitro pollen germination.
{"title":"Effect of storage temperature and duration on pollen viability and in vitro germination of seven pistachio cultivars","authors":"Abdallah Aldahadha, N. Samarah, A. Bataineh","doi":"10.37855/JAH.2020.V22I03.33","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.33","url":null,"abstract":": This study was conducted to examine the effect of storage temperature and duration on viability and in vitro germination of pollen grains of seven pistachio cultivars. Pollens were stored at room temperature (24 oC±2), refrigerator (4 oC) and freezer (-5 oC) for 0, 1, 2, 3 and 4 weeks. Pollen viability was estimated by using staining methods including tetrazolium test (TTC), iodine and potassium iodine (IKI) and safranin solutions, and using an in vitro pollen germination. The results showed that at all storage methods and durations, pollen viability and in vitro pollen germination were significantly the highest for Batouri and Ashouri cultivars and the lowest for Marawhi and Elemi cultivars. The highest pollen viability as estimated by safranin staining was attained when pollens were stored under freezer condition. However, pollen viability by TTC was the lowest at room temperature storage. In addition, in vitro pollen germination and viability significantly decreased as storage duration increased. This study revealed no differences between in vitro germination percentages for refrigerated and freezer stored pollen up to 2 weeks. Meanwhile, in vitro germination of room-stored pollen was gradually decreased when storage duration increased. At the end of storage period, pollen viability was reduced slightly under freezer conditions whereas the reduction in viability was the largest for refrigerated and room-stored pollen with no differences between them. This study showed a significant interaction effect of cultivar x storage temperature x storage duration on pollen viability but not for in vitro pollen germination.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46733946","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.40
R. Munilakshmi, B. A. Reddy
Temple tree (Plumeria rubra) is a cosmopolitan ornamental flowering and an avenue tree. Generally, Plumeria sp. is affected by several diseases, among them rust caused by Coleosporium plumeriae was found infecting the temple trees in Bengaluru, Karnataka, India with the severity of 80-100 per cent in the early June till end of August 2016-17. Initially, numerous orange coloured rusty pustules were seen on abaxial leaf and these pustules covered the entire leaf causing inward rolling of leaves, necrosis, senescence and finally leaf abscission. Microscopic observation of the rust pustules revealed the presence of golden pale yellow coloured uredospores that varied from globose to ellipsoidal in shape, ranging from 20-40 x 16-28 mm in size, borne on erumpent uredinia and no other spore stages were observed. Molecular identification of this pathogen (Indian isolate) through ITS rDNA region amplification, sequencing and phylogenetic analysis revealed 99 % sequence homology with the China isolate (Accession no. KF879087.1). ITS rDNA region partial sequence of the pathogen was deposited in NCBI, GenBank with accession no. MH656772.
庙树(Plumeria rubra)是一种世界性的观赏花卉和林荫道树木。一般来说，鸡毛锈病受几种疾病的影响，其中由鸡毛锈病引起的锈病被发现感染了印度卡纳塔克邦班加罗尔的寺庙树木，在2016-17年6月初至8月底，严重程度为80- 100%。最初，叶片背面可见大量桔黄色锈斑脓疱，这些脓疱覆盖整个叶片，导致叶片向内滚动，坏死，衰老，最终脱落。显微镜下可见金黄色的淡黄色尿素孢子，其形状从球形到椭圆形不等，大小为20-40 mm × 16-28 mm，产自毒脲，未见其他孢子期。通过ITS rDNA区扩增、测序和系统发育分析对该病原菌(印度分离株)进行分子鉴定，结果显示该病原菌与中国分离株的同源性达99%。KF879087.1)。将病原菌ITS rDNA区域部分序列存入NCBI, GenBank，登录号:MH656772。
{"title":"Molecular characterization of temple tree rust caused by Coleosporium plumeriae Pat.","authors":"R. Munilakshmi, B. A. Reddy","doi":"10.37855/JAH.2020.V22I03.40","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.40","url":null,"abstract":"Temple tree (Plumeria rubra) is a cosmopolitan ornamental flowering and an avenue tree. Generally, Plumeria sp. is affected by several diseases, among them rust caused by Coleosporium plumeriae was found infecting the temple trees in Bengaluru, Karnataka, India with the severity of 80-100 per cent in the early June till end of August 2016-17. Initially, numerous orange coloured rusty pustules were seen on abaxial leaf and these pustules covered the entire leaf causing inward rolling of leaves, necrosis, senescence and finally leaf abscission. Microscopic observation of the rust pustules revealed the presence of golden pale yellow coloured uredospores that varied from globose to ellipsoidal in shape, ranging from 20-40 x 16-28 mm in size, borne on erumpent uredinia and no other spore stages were observed. Molecular identification of this pathogen (Indian isolate) through ITS rDNA region amplification, sequencing and phylogenetic analysis revealed 99 % sequence homology with the China isolate (Accession no. KF879087.1). ITS rDNA region partial sequence of the pathogen was deposited in NCBI, GenBank with accession no. MH656772.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49047358","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2021.V23I01.02
S. Mulyani, B. A. Harsojuwono, I. Satriawan
The metabolite profile of Curcuma domestica Val. variety Turina-1, one of the superior varieties of turmeric was studied by analysing ethanol extract of the variety. The samples for this research were obtained from BPPT Bogor-Indonesia and were extracted using ethanol (96 %) and then analyzed using UPLC-QToF-MS/MS System (Waters), mass spectrometry: XEVO-G2QTOF (Waters), in ESI positive resolution mode, using gradient method with mobile phase: water, formic acid and acetonitrile. The study revealed 13 metabolites viz., Demethoxycurcumin-2 (48.23 %), α-Turmerone (19.623 %), Curcumin (18.550 %), Bisdemethoxycurcumin-3 (9.064 %), Curcumin-1, (1.706 %), and other compounds with amount less than 1 % (Kaempferol 3-O-glucosyl-rhamnosyl-galactoside, Demethoxycurcumin, ar-Turmerone, Bisdemethoxycurcumin, a-Terpinolene, L-Tyrosine, L-Alanine and L-serine). Based on this research, the main metabolite in the ethanol extract of Turina-1 having the potential as antioxidants is the curcuminoids.
通过对姜黄优良品种Turina-1的乙醇提取物进行分析，研究了其代谢产物谱。本研究样品来自印度尼西亚BPPT bogr - indonesia，用乙醇(96%)提取，采用UPLC-QToF-MS/MS系统(Waters)，质谱:XEVO-G2QTOF (Waters)， ESI正分辨模式，梯度法，流动相:水、甲酸、乙腈。研究发现13种代谢产物分别为:去甲氧基姜黄素-2(48.23%)、α-姜黄酮(19.623%)、姜黄素(18.550%)、双去甲氧基姜黄素-3(9.064%)、姜黄素-1(1.706%)和其他含量小于1%的化合物(山奈酚3- o -葡萄糖基鼠李糖半乳糖苷、去甲氧基姜黄素、ar-姜黄酮、双去甲氧基姜黄素、a-松油烯、l-酪氨酸、l-丙氨酸和l-丝氨酸)。基于本研究，Turina-1乙醇提取物中具有抗氧化剂潜力的主要代谢物是姜黄素。
{"title":"Metabolite profile of ethanol extract of Curcuma domestica Val. variety Turina-1","authors":"S. Mulyani, B. A. Harsojuwono, I. Satriawan","doi":"10.37855/JAH.2021.V23I01.02","DOIUrl":"https://doi.org/10.37855/JAH.2021.V23I01.02","url":null,"abstract":"The metabolite profile of Curcuma domestica Val. variety Turina-1, one of the superior varieties of turmeric was studied by analysing ethanol extract of the variety. The samples for this research were obtained from BPPT Bogor-Indonesia and were extracted using ethanol (96 %) and then analyzed using UPLC-QToF-MS/MS System (Waters), mass spectrometry: XEVO-G2QTOF (Waters), in ESI positive resolution mode, using gradient method with mobile phase: water, formic acid and acetonitrile. The study revealed 13 metabolites viz., Demethoxycurcumin-2 (48.23 %), α-Turmerone (19.623 %), Curcumin (18.550 %), Bisdemethoxycurcumin-3 (9.064 %), Curcumin-1, (1.706 %), and other compounds with amount less than 1 % (Kaempferol 3-O-glucosyl-rhamnosyl-galactoside, Demethoxycurcumin, ar-Turmerone, Bisdemethoxycurcumin, a-Terpinolene, L-Tyrosine, L-Alanine and L-serine). Based on this research, the main metabolite in the ethanol extract of Turina-1 having the potential as antioxidants is the curcuminoids.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42732098","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.42
Ananya Mitra, Shradhanjali Panda
India’s horticulture production has shown manifold increase in the past two decades and the country is ranking second in the world only next to China. Keeping in mind, the increasing trend in horticulture production and individual product, the purpose of the current paper was to study the short run and long run relation between economic growth and horticulture production as a whole. The study used secondary data on horticulture production and Gross Domestic Product (GDP) from 2001 to 2018. The econometric tools used were Granger Causality Test, Johansen Cointegration test, VECM model and OLS. Johansen Cointegration Test showed that there is long run relation between the variables; The Vector Error Correction model and its probability output showed that there is no significant short run relation between variables except one, that is when horticulture production is considered as independent variable and GDP as dependent variable. Granger Casualty Test showed absence of cause and effect relation (both way) between the three variables. Out of all variables, OLS showed a significant relation only between GDP and horticulture production.The study revealed that horticulture production shares a linear relationship with GDP both as dependent and as independent variable, but the association does not satisfy Granger Causality Test, indicating that there was no cause and effect relation between the variables. Given that agriculture is the backbone of Indian economy, the absence of short run relation between horticulture and food grain production and food grain with GDP is a matter of concern.
{"title":"Horticulture and economic growth in India: An econometric analysis","authors":"Ananya Mitra, Shradhanjali Panda","doi":"10.37855/JAH.2020.V22I03.42","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.42","url":null,"abstract":"India’s horticulture production has shown manifold increase in the past two decades and the country is ranking second in the world only next to China. Keeping in mind, the increasing trend in horticulture production and individual product, the purpose of the current paper was to study the short run and long run relation between economic growth and horticulture production as a whole. The study used secondary data on horticulture production and Gross Domestic Product (GDP) from 2001 to 2018. The econometric tools used were Granger Causality Test, Johansen Cointegration test, VECM model and OLS. Johansen Cointegration Test showed that there is long run relation between the variables; The Vector Error Correction model and its probability output showed that there is no significant short run relation between variables except one, that is when horticulture production is considered as independent variable and GDP as dependent variable. Granger Casualty Test showed absence of cause and effect relation (both way) between the three variables. Out of all variables, OLS showed a significant relation only between GDP and horticulture production.The study revealed that horticulture production shares a linear relationship with GDP both as dependent and as independent variable, but the association does not satisfy Granger Causality Test, indicating that there was no cause and effect relation between the variables. Given that agriculture is the backbone of Indian economy, the absence of short run relation between horticulture and food grain production and food grain with GDP is a matter of concern.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47441422","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.34
L. Suriati, I. Utama, B. A. Harsojuwono, I. Gunam
Fresh-cut mango is a very popular product commonly consumed due to its health and safety benefits to the community. The fruit cutting results in increased respiration, ethylene production, oxidation, and browning processes which tends to shorten its life. Edible coating of aloe gel (ecogel) serves as an additive matrix to extend the life of fresh-cut mango with the incorporation of antioxidant, acidulant, and antimicrobial additives. The edible coating ability is strongly influenced by molecular structure, size and chemical constituents. This study aimed to determine the influence of nano-additive material and its concentration in ecogel to extend the shelf life of the mango. The factorial complete randomized design was used to determine the effect of citric, and ascorbic acid and potassium sorbate using a concentration of 0.15, 0.3, and 0.45 %. Citric acid, ascorbic acid and potassium sorbate at a concentration of 0.15 %, was best for formulation of ecogel. The quality of fresh-cut fruit coated with ecogel and stored at a temperature of 7 ± 1 °C until 6 day was acceptable. Therefore, ecogel prolongs the shelf-life of fresh-cut mango.
{"title":"Ecogel incorporated with nano-additives to increase shelf-life of fresh-cut mango","authors":"L. Suriati, I. Utama, B. A. Harsojuwono, I. Gunam","doi":"10.37855/JAH.2020.V22I03.34","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.34","url":null,"abstract":"Fresh-cut mango is a very popular product commonly consumed due to its health and safety benefits to the community. The fruit cutting results in increased respiration, ethylene production, oxidation, and browning processes which tends to shorten its life. Edible coating of aloe gel (ecogel) serves as an additive matrix to extend the life of fresh-cut mango with the incorporation of antioxidant, acidulant, and antimicrobial additives. The edible coating ability is strongly influenced by molecular structure, size and chemical constituents. This study aimed to determine the influence of nano-additive material and its concentration in ecogel to extend the shelf life of the mango. The factorial complete randomized design was used to determine the effect of citric, and ascorbic acid and potassium sorbate using a concentration of 0.15, 0.3, and 0.45 %. Citric acid, ascorbic acid and potassium sorbate at a concentration of 0.15 %, was best for formulation of ecogel. The quality of fresh-cut fruit coated with ecogel and stored at a temperature of 7 ± 1 °C until 6 day was acceptable. Therefore, ecogel prolongs the shelf-life of fresh-cut mango.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49608915","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.47
Amr Ahmed El Sayed, A. Gharib, Mohamed Adel El Tahawey
This study was conducted at the Horticulture Research Institute, Agriculture Research Center in Egypt during the period from 2017 to 2019 to develop cucumber (Cucumis sativus L.) inbred lines and hybrids tolerant to high temperature to reduce losses in quality and yield and evaluate them under greenhouse conditions. Twenty two inbred lines and twenty hybrids were evaluated in the two successive summer plantings of 2017/18 and 2018/19 under greenhouse conditions along with the hybrid Lamar as a control. Total yield reflected great variation among the inbred lines and ranged from 5.50 to 0.53 kg m-1. P10 gave the greatest total yield and it was at par with P19. Narrow range (3.20 to 2.50 cm) was observed among hybrids for fruit diameter. The highest value was recorded in P2×P5. Fruit weight reflected great variation among the hybrids and the hybrid, P2×P5 gave the heaviest fruit weight. Data showed significant differences among hybrids for total yield and hybrid P1×P3 gave the highest value of total yield and was at par with hybrid Lamar (control). The cross P1×P4 achieved high specific combining ability (SCA) effects for all traits in this study which means comparing the general combining ability effects (GCA) of the parents to their corresponding crosses’ SCA indicate that the GCA effects of the parents were reflected in the SCA effects of the crosses for the most studied traits. The reciprocal effects in F1 diallel crosses were significant for most of the traits studied and the cross P5×P1 achieved high SCA effects for all traits.
{"title":"Genetic behavior of some economic characteristics of cucumber (Cucumis sativus L.) under high temperature conditions","authors":"Amr Ahmed El Sayed, A. Gharib, Mohamed Adel El Tahawey","doi":"10.37855/JAH.2020.V22I03.47","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.47","url":null,"abstract":"This study was conducted at the Horticulture Research Institute, Agriculture Research Center in Egypt during the period from 2017 to 2019 to develop cucumber (Cucumis sativus L.) inbred lines and hybrids tolerant to high temperature to reduce losses in quality and yield and evaluate them under greenhouse conditions. Twenty two inbred lines and twenty hybrids were evaluated in the two successive summer plantings of 2017/18 and 2018/19 under greenhouse conditions along with the hybrid Lamar as a control. Total yield reflected great variation among the inbred lines and ranged from 5.50 to 0.53 kg m-1. P10 gave the greatest total yield and it was at par with P19. Narrow range (3.20 to 2.50 cm) was observed among hybrids for fruit diameter. The highest value was recorded in P2×P5. Fruit weight reflected great variation among the hybrids and the hybrid, P2×P5 gave the heaviest fruit weight. Data showed significant differences among hybrids for total yield and hybrid P1×P3 gave the highest value of total yield and was at par with hybrid Lamar (control). The cross P1×P4 achieved high specific combining ability (SCA) effects for all traits in this study which means comparing the general combining ability effects (GCA) of the parents to their corresponding crosses’ SCA indicate that the GCA effects of the parents were reflected in the SCA effects of the crosses for the most studied traits. The reciprocal effects in F1 diallel crosses were significant for most of the traits studied and the cross P5×P1 achieved high SCA effects for all traits.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47976207","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2021.V23I01.12
A. Akter, F. Hoque, Md. Sadique Rahman, Emmanuel Kiprop, M. S. Jahan, Xianhui Geng
Use of homestead gardening in developing countries may be a method for improving income and employment of rural women, but determinants for adoption by women are not well understood. The study identified determinants of adoption of homestead gardening and its effect on income and decision making power of women. A total of 150 adopter and non-adopter women were interviewed and the Mann-Whitney test, and probit model was used to analyze data. Age, years of education, training, farm size, and income influenced the adoption of homestead gardening. Annual income in adopters were 40 % more than non-adopters. Women involved in homestead gardening increased household food production and income which helped them to contribute in decision making and could improve the status of women in the society.
{"title":"Determinants of adoption of homestead gardening by women and effect on their income and decision making power","authors":"A. Akter, F. Hoque, Md. Sadique Rahman, Emmanuel Kiprop, M. S. Jahan, Xianhui Geng","doi":"10.37855/JAH.2021.V23I01.12","DOIUrl":"https://doi.org/10.37855/JAH.2021.V23I01.12","url":null,"abstract":"Use of homestead gardening in developing countries may be a method for improving income and employment of rural women, but determinants for adoption by women are not well understood. The study identified determinants of adoption of homestead gardening and its effect on income and decision making power of women. A total of 150 adopter and non-adopter women were interviewed and the Mann-Whitney test, and probit model was used to analyze data. Age, years of education, training, farm size, and income influenced the adoption of homestead gardening. Annual income in adopters were 40 % more than non-adopters. Women involved in homestead gardening increased household food production and income which helped them to contribute in decision making and could improve the status of women in the society.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42310821","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2020.V22I03.35
H. Bayat, F. Moradinezhad
The effects of 1-methylcyclopropene (1-MCP) and selenium (Se) on postharvest quality and the vase life of Narcissus tazetta were investigated. A factorial experiment based on a completely randomized design with 1-MCP at concentrations of 0, 0.5, and 1 μL L-1 and Se at 0, 1 and 2 mg L-1 with 3 replicates (4 cut flowers per each replicate) was conducted. The results showed that treatment of cut flowers with 1-MCP and Se significantly increased the vase life, water uptake and relative fresh weight of N. tazetta cut flowers. Fresh weight of flower increased from 0.58 (control) to 0.92 g using 1 μL L-1 1-MCP treatment. Total soluble solids (TSS) and total soluble sugar of flowers treated with all the levels of 1-MCP and Se significantly decreased as compared to control. Total phenolic content and antioxidant activity of treated cut flowers with 1-MCP and Se were significantly increased in comparison to the control. The highest (13.41 days) vase life was obtained in 1 μL L-1 1-MCP treatment. The study revealed that application of 1-MCP and Se delayed senescence symptoms resulting extended vase life and postharvest quality of N. tazetta cut flowers.
{"title":"Extending vase life of Narcissus tazetta L. cut flowers using selenium and 1-methylcyclopropene treatments","authors":"H. Bayat, F. Moradinezhad","doi":"10.37855/JAH.2020.V22I03.35","DOIUrl":"https://doi.org/10.37855/JAH.2020.V22I03.35","url":null,"abstract":"The effects of 1-methylcyclopropene (1-MCP) and selenium (Se) on postharvest quality and the vase life of Narcissus tazetta were investigated. A factorial experiment based on a completely randomized design with 1-MCP at concentrations of 0, 0.5, and 1 μL L-1 and Se at 0, 1 and 2 mg L-1 with 3 replicates (4 cut flowers per each replicate) was conducted. The results showed that treatment of cut flowers with 1-MCP and Se significantly increased the vase life, water uptake and relative fresh weight of N. tazetta cut flowers. Fresh weight of flower increased from 0.58 (control) to 0.92 g using 1 μL L-1 1-MCP treatment. Total soluble solids (TSS) and total soluble sugar of flowers treated with all the levels of 1-MCP and Se significantly decreased as compared to control. Total phenolic content and antioxidant activity of treated cut flowers with 1-MCP and Se were significantly increased in comparison to the control. The highest (13.41 days) vase life was obtained in 1 μL L-1 1-MCP treatment. The study revealed that application of 1-MCP and Se delayed senescence symptoms resulting extended vase life and postharvest quality of N. tazetta cut flowers.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48737928","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-25DOI: 10.37855/JAH.2021.V23I01.05
R. Tetteh, L. M. Aboagye, S. Boateng, R. Darko
Seed quality is a key factor in crop production and food security, particularly during the increasing uncertainty due to climate change. In this study, the effect of harvesting time on seed quality of six eggplant cultivars (Solanum gilo: Dwomo, Kpando, Solanum melongena: GH 3870, GH 3887, Solanum macrocarpon: GH 1072, GH 4918) was assessed at the experimental site of CSIR-Plant Genetic Resources Research Institute, Bunso, Eastern Region, Ghana. The experiment was arranged in a randomised complete block design with three replications. Fruits of six eggplant cultivars were harvested at the mature (fully ripe) stage and at weekly intervals for a period of eight weeks and seeds extracted after each harvest. Seed quality of eggplant cultivars was assessed by 100-seed weight, seed vigour and germination percentage at weekly intervals. The results showed a significant difference in 100-seed weight among all the cultivars at different harvesting times. GH 1072 had the highest 100-seed weight with the lowest being in Dwomo at all harvesting times. No germination was observed at first harvest among the six cultivars. Seed vigour increased at 6, 7 and 8 weeks after maturity in all the cultivars. The highest vigour and germination percentage were observed in GH 1072 followed by GH 3870. The results obtained indicates that seed quality of eggplant cultivars increases with harvesting time and vary within and among eggplant species.
{"title":"Seed quality of six eggplant cultivars as influenced by harvesting time","authors":"R. Tetteh, L. M. Aboagye, S. Boateng, R. Darko","doi":"10.37855/JAH.2021.V23I01.05","DOIUrl":"https://doi.org/10.37855/JAH.2021.V23I01.05","url":null,"abstract":"Seed quality is a key factor in crop production and food security, particularly during the increasing uncertainty due to climate change. In this study, the effect of harvesting time on seed quality of six eggplant cultivars (Solanum gilo: Dwomo, Kpando, Solanum melongena: GH 3870, GH 3887, Solanum macrocarpon: GH 1072, GH 4918) was assessed at the experimental site of CSIR-Plant Genetic Resources Research Institute, Bunso, Eastern Region, Ghana. The experiment was arranged in a randomised complete block design with three replications. Fruits of six eggplant cultivars were harvested at the mature (fully ripe) stage and at weekly intervals for a period of eight weeks and seeds extracted after each harvest. Seed quality of eggplant cultivars was assessed by 100-seed weight, seed vigour and germination percentage at weekly intervals. The results showed a significant difference in 100-seed weight among all the cultivars at different harvesting times. GH 1072 had the highest 100-seed weight with the lowest being in Dwomo at all harvesting times. No germination was observed at first harvest among the six cultivars. Seed vigour increased at 6, 7 and 8 weeks after maturity in all the cultivars. The highest vigour and germination percentage were observed in GH 1072 followed by GH 3870. The results obtained indicates that seed quality of eggplant cultivars increases with harvesting time and vary within and among eggplant species.","PeriodicalId":39205,"journal":{"name":"Journal of Applied Horticulture","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2020-12-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42345263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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