Pub Date : 2023-06-28DOI: 10.58993/ijh/2023.80.2.9
T. S. Chahal, Varinder Singh, PPS Gill, SK Jawandha, Vikramjit Singh
In citrus, fruit colouration is considered one of the criteria to assess the optimum harvest maturity. The present study the fruit colour variations, β-carotene and its relation to soluble Brix/acid ratio (B/A ratio) during development in four grapefruit varieties viz. Marsh Seedless, Flame, Rio Red and Redblush were investigated. Among different grapefruit varieties, the highest peel colour coordinate a* value and β-carotene content were recorded in cv. Flame at 270 days after full bloom (DAFS). The peel β-carotene concentration varied from 3.61 to 61.42 μg.g-1 during fruit development. L*coordinate showed a declining pattern in the pulp, while it increased in peel till 270 DAFS. Likewise, b* values also increased in both peel and pulp. Chroma (C*) and B/A ratio values of fruit increased with maturity, while the hue angle (h°) decreased. L*a*b*colour coordinates showed a strong correlation with B/A ratio compared to β-carotene content. At the final fruit harvest, the higher value for L* coordinate in peel and pulp was noted in ‘Redblush’ and ‘Marsh Seedless’. In contrast, the highest b* coordinate was observed in the peel and pulp of the Marsh Seedless variety. Overall, a* coordinate was observed to be the most reliable colour parameter to determine the maturity index in the studied varieties of grapefruit.
{"title":"Fruit colour progression in grapefruit with relation to carotenoid and Brix-acid ratio","authors":"T. S. Chahal, Varinder Singh, PPS Gill, SK Jawandha, Vikramjit Singh","doi":"10.58993/ijh/2023.80.2.9","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.9","url":null,"abstract":"In citrus, fruit colouration is considered one of the criteria to assess the optimum harvest maturity. The present study the fruit colour variations, β-carotene and its relation to soluble Brix/acid ratio (B/A ratio) during development in four grapefruit varieties viz. Marsh Seedless, Flame, Rio Red and Redblush were investigated. Among different grapefruit varieties, the highest peel colour coordinate a* value and β-carotene content were recorded in cv. Flame at 270 days after full bloom (DAFS). The peel β-carotene concentration varied from 3.61 to 61.42 μg.g-1 during fruit development. L*coordinate showed a declining pattern in the pulp, while it increased in peel till 270 DAFS. Likewise, b* values also increased in both peel and pulp. Chroma (C*) and B/A ratio values of fruit increased with maturity, while the hue angle (h°) decreased. L*a*b*colour coordinates showed a strong correlation with B/A ratio compared to β-carotene content. At the final fruit harvest, the higher value for L* coordinate in peel and pulp was noted in ‘Redblush’ and ‘Marsh Seedless’. In contrast, the highest b* coordinate was observed in the peel and pulp of the Marsh Seedless variety. Overall, a* coordinate was observed to be the most reliable colour parameter to determine the maturity index in the studied varieties of grapefruit.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87501490","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.8
Prakash, D Jaganathan, Sheela Immanuel, R Muthuraj, P S Sivakumar
The socioeconomic impact was based on a farm household survey conducted in Tenkasi and Tirunelveli districts of Tamil Nadu among 200 Chinese potato producers during 2021/2022. A logistic regression model was employed to identify factors determining the adoption of ‘SreeDhara’, and the Inverse Probability Weighted Regression Adjustment (IPWRA) method was used to assess the impact of the adoption of ‘SreeDhara’ on yield and income. The cost of cultivation, gross income, and net income for ‘SreeDhara’ adopters were 7, 37, and 87% higher than for non-adopters. Years of schooling, farm income, access to extension services, and block dummies had significant, positive effects on adopting the variety. The IPWRA results indicated yield and income of ‘SreeDhara’ adopters were higher than non-adopters by 23.65 and 24.99 %, respectively. The most significant constraints to adopting Chinese potatoes were lack of awareness about ‘SreeDhara,’ inaccessibility to credit, and the non-availability of crop insurance. Thus, recognizing its higher nutritional value and potential farm income, institutional support in the form of better extension linkages, credit facilities, and crop insurance to Chinese potato growers needs to be strengthened.
{"title":"Socioeconomic impact of improved variety of Chinese potato in Tamil Nadu","authors":"Prakash, D Jaganathan, Sheela Immanuel, R Muthuraj, P S Sivakumar","doi":"10.58993/ijh/2023.80.2.8","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.8","url":null,"abstract":"The socioeconomic impact was based on a farm household survey conducted in Tenkasi and Tirunelveli districts of Tamil Nadu among 200 Chinese potato producers during 2021/2022. A logistic regression model was employed to identify factors determining the adoption of ‘SreeDhara’, and the Inverse Probability Weighted Regression Adjustment (IPWRA) method was used to assess the impact of the adoption of ‘SreeDhara’ on yield and income. The cost of cultivation, gross income, and net income for ‘SreeDhara’ adopters were 7, 37, and 87% higher than for non-adopters. Years of schooling, farm income, access to extension services, and block dummies had significant, positive effects on adopting the variety. The IPWRA results indicated yield and income of ‘SreeDhara’ adopters were higher than non-adopters by 23.65 and 24.99 %, respectively. The most significant constraints to adopting Chinese potatoes were lack of awareness about ‘SreeDhara,’ inaccessibility to credit, and the non-availability of crop insurance. Thus, recognizing its higher nutritional value and potential farm income, institutional support in the form of better extension linkages, credit facilities, and crop insurance to Chinese potato growers needs to be strengthened.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76749313","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.14
P. B. Tonge, R. M. Palghadmal, R. Kale, T P A Shabeer, R. Samarth, Ajay Sharma
An investigation was undertaken to prepare wines from the pure and blended juices of Sauvignon Blanc (SB) and Manjari Naveen (MN) grapes. Juices were blended according to plan, and wines were prepared following the standard vinification procedure and evaluated after two rackings. Alcohol in prepared wines ranged from 11.48 to 12.75 per cent. The acidity, volatile acidity, and pH of wines were within acceptable limits. Observed aroma compounds using ‘GC×GC-TOF/MS’ were mainly related to aroma notes in commercial wines. Wine prepared from T7 (SB-50% + MN 50%) attained a maximum score (4.7 out of 5 points hedonic scale) in overall acceptability. The wine quality got improved when the juices of Sauvignon Blanc and Manjari Naveen were blended before fermentation. However, there is a need to optimize crop load, suitable rootstock, maturity level at harvest, etc., for harnessing the aromatic nature by adopting a suitable juice combination of these two varieties.
{"title":"Quality evaluation of wines prepared by blending grape juices","authors":"P. B. Tonge, R. M. Palghadmal, R. Kale, T P A Shabeer, R. Samarth, Ajay Sharma","doi":"10.58993/ijh/2023.80.2.14","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.14","url":null,"abstract":"An investigation was undertaken to prepare wines from the pure and blended juices of Sauvignon Blanc (SB) and Manjari Naveen (MN) grapes. Juices were blended according to plan, and wines were prepared following the standard vinification procedure and evaluated after two rackings. Alcohol in prepared wines ranged from 11.48 to 12.75 per cent. The acidity, volatile acidity, and pH of wines were within acceptable limits. Observed aroma compounds using ‘GC×GC-TOF/MS’ were mainly related to aroma notes in commercial wines. Wine prepared from T7 (SB-50% + MN 50%) attained a maximum score (4.7 out of 5 points hedonic scale) in overall acceptability. The wine quality got improved when the juices of Sauvignon Blanc and Manjari Naveen were blended before fermentation. However, there is a need to optimize crop load, suitable rootstock, maturity level at harvest, etc., for harnessing the aromatic nature by adopting a suitable juice combination of these two varieties.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"20 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78479321","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.5
Ritika Chakrabarty, Gargi Sharma, P. K. Barua
Farmers use chemical insecticides, fungicides and herbicides to control insect pests, diseases and weeds. Extensive use of chemical pesticides is becoming hazardous to the environment and human and animal health. Biopesticides have been used as a safer alternative. Cytogenetic analysis is needed to determine the effects of chemical and biopesticides in plants if these are used frequently in an improper concentration. This investigation assessed the effects of a chemical systemic insecticide ‘Actara 25WG’ and a bioinsecticide ‘Bio Sona’ for seed germination and on root mitosis of five onion varieties. Three concentrations of Actara 25WG were used as seed treatment, viz., 25 g, 50g (recommended) and 75 g/kg seed. Similarly, Bio Sona was applied @ 2 %, 5 % (recommended) and 8 % concentrations. Depressing effects of the two pesticides were recorded in seed germination percentage except for Bio Sona 2% in variety Bhima Shakti. Actara 25WG and Bio Sona showed either mitoenhancing or cytotoxic effects depending on dose and variety. These pesticides also induced genotoxicity at recommended and higher doses on root tip cells as indicated by the frequency of total chromosomal aberrations like binucleate cells, clumps, stickiness, disturbed stage, laggards, bridges and fragments. Bio Sona at higher concentrations showed more aberrations than Actara 25WG. There were differential responses of the varieties to the pesticide treatment. More research must be done on the effects of chemicals and biopesticides in plants to assess their cytogenotoxicity.
{"title":"Evaluation of cytogenetic effect of pesticides in onion root meristem","authors":"Ritika Chakrabarty, Gargi Sharma, P. K. Barua","doi":"10.58993/ijh/2023.80.2.5","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.5","url":null,"abstract":"Farmers use chemical insecticides, fungicides and herbicides to control insect pests, diseases and weeds. Extensive use of chemical pesticides is becoming hazardous to the environment and human and animal health. Biopesticides have been used as a safer alternative. Cytogenetic analysis is needed to determine the effects of chemical and biopesticides in plants if these are used frequently in an improper concentration. This investigation assessed the effects of a chemical systemic insecticide ‘Actara 25WG’ and a bioinsecticide ‘Bio Sona’ for seed germination and on root mitosis of five onion varieties. Three concentrations of Actara 25WG were used as seed treatment, viz., 25 g, 50g (recommended) and 75 g/kg seed. Similarly, Bio Sona was applied @ 2 %, 5 % (recommended) and 8 % concentrations. Depressing effects of the two pesticides were recorded in seed germination percentage except for Bio Sona 2% in variety Bhima Shakti. Actara 25WG and Bio Sona showed either mitoenhancing or cytotoxic effects depending on dose and variety. These pesticides also induced genotoxicity at recommended and higher doses on root tip cells as indicated by the frequency of total chromosomal aberrations like binucleate cells, clumps, stickiness, disturbed stage, laggards, bridges and fragments. Bio Sona at higher concentrations showed more aberrations than Actara 25WG. There were differential responses of the varieties to the pesticide treatment. More research must be done on the effects of chemicals and biopesticides in plants to assess their cytogenotoxicity.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"2 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87268969","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.7
B. K. Tejukumar, Parminder Singh, V. M. Hiremath, Shalini Jhanji, R. K. Dubey, Pooja A
The intensity of the shade is a critical factor in the production of potted spathiphyllum. Plants were grown in various levels of green coloured shade net to assess the growth response regarding vegetative, flowering, and physiological characteristics. The results showed that under 75 % shade, spathiphyllum plants exhibited the most significant plant spread, petiole girth, leaf thickness, leaf number, and leaf length. Likewise, spathe characters such as length, width, diameter, and the number of blooms were recorded highest at 75 % shade level. Similarly, the fresh weight and dried weight of the leaves were also found to be significant. Foliage chlorophyll content and foliage longevity increased linearly with increasing shade. Shade levels improved the spathiphyllum’s foliage colour, an essential characteristic of indoor plants. It is concluded that using shade nets with a shade intensity of 75% would result in better growth and production of potted spathiphyllum, allowing farmers to earn more income.
{"title":"Influence of shade levels on morpho-physiological characteristics of potted spathiphyllum","authors":"B. K. Tejukumar, Parminder Singh, V. M. Hiremath, Shalini Jhanji, R. K. Dubey, Pooja A","doi":"10.58993/ijh/2023.80.2.7","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.7","url":null,"abstract":"The intensity of the shade is a critical factor in the production of potted spathiphyllum. Plants were grown in various levels of green coloured shade net to assess the growth response regarding vegetative, flowering, and physiological characteristics. The results showed that under 75 % shade, spathiphyllum plants exhibited the most significant plant spread, petiole girth, leaf thickness, leaf number, and leaf length. Likewise, spathe characters such as length, width, diameter, and the number of blooms were recorded highest at 75 % shade level. Similarly, the fresh weight and dried weight of the leaves were also found to be significant. Foliage chlorophyll content and foliage longevity increased linearly with increasing shade. Shade levels improved the spathiphyllum’s foliage colour, an essential characteristic of indoor plants. It is concluded that using shade nets with a shade intensity of 75% would result in better growth and production of potted spathiphyllum, allowing farmers to earn more income.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"613 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77493992","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.12
Gunjeet Kumar, Sagar C.T., Vartika Budhlakoti, K.P. Singh, A.K. Tiwari, S. P. Singh, Sudhir Kumar, Radha Prasanna
The study was undertaken to analyze the effect of cyanobacteria biofilm inoculants on plant growth, floral attributes, soil microbial and nutrient parameters of Chrysanthemum morifolium Ramat cvs. Pusa Sona and Pusa Chitraksha. Plant spread increased by 49% and 36.1% in Pusa Sona and Pusa Chitraksha over the control (T1). Treatment T7 (Anabaena-Trichoderma (An-Tz) two times drench plus 732:1406:375 mg NPK/Pot) showed 25.6% and 56.2% increase over the control for the number of flowers per plant in cvs. Pusa Sona and Pusa Chitraksha, respectively. Available soil nitrogen increased by 74.9% in Pusa Sona and 57.4% in Pusa Chitraksha with the treatment T6 (Anabaena-Nostoc (BF1-4) two times drench along with 732:1406:375 mg NPK/pot) as compared to the uninoculated control. Treatments T6 and T7 were particularly promising in most plant and soil-related parameters. In addition, applying biofertilizers saved 25% of nitrogen fertilizers, besides improving soil health.
{"title":"Effect of microbial biofilm in the sustainable production of chrysanthemum","authors":"Gunjeet Kumar, Sagar C.T., Vartika Budhlakoti, K.P. Singh, A.K. Tiwari, S. P. Singh, Sudhir Kumar, Radha Prasanna","doi":"10.58993/ijh/2023.80.2.12","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.12","url":null,"abstract":"The study was undertaken to analyze the effect of cyanobacteria biofilm inoculants on plant growth, floral attributes, soil microbial and nutrient parameters of Chrysanthemum morifolium Ramat cvs. Pusa Sona and Pusa Chitraksha. Plant spread increased by 49% and 36.1% in Pusa Sona and Pusa Chitraksha over the control (T1). Treatment T7 (Anabaena-Trichoderma (An-Tz) two times drench plus 732:1406:375 mg NPK/Pot) showed 25.6% and 56.2% increase over the control for the number of flowers per plant in cvs. Pusa Sona and Pusa Chitraksha, respectively. Available soil nitrogen increased by 74.9% in Pusa Sona and 57.4% in Pusa Chitraksha with the treatment T6 (Anabaena-Nostoc (BF1-4) two times drench along with 732:1406:375 mg NPK/pot) as compared to the uninoculated control. Treatments T6 and T7 were particularly promising in most plant and soil-related parameters. In addition, applying biofertilizers saved 25% of nitrogen fertilizers, besides improving soil health.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85102456","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.2
Jagmeet Singh, Akhilesh Sharma, Hem Lata, Alisha Thakur, Nimit Kumar
Genetic diversity was studied in 26 genotypes of late group of cauliflower during winter 2018-19 and 2019- 20. Based on mean performance, DPCaCMS-1 produced significantly high marketable curd weight, 27.38% better than the best check. D2 analysis clustered the genotypes in seven clusters, with the maximum in Cluster I. Genotypes from clusters V and VI with higher inter-cluster genetic divergence would be a valuable source of genes for improvement. Cluster IV represented maximum mean values for marketable curd weight. The maximum contribution towards genetic diversity was made by days to curd initiation followed by leaves/plant and curd diameter. Principal component analysis indicated the five most informative principal components with more than one eigen value, accounting for 83.59% of the total variance for all traits. The genotypes, namely, DPCafW3, DPCaf US, DPCaCMS-1, DPCaCMS-2, DPCaf-1, DPCaCMS-3, DPCaf30, DPCaf13, and DPCafS5-1 seem to be the promising potential genotypes that can be involved in hybridization programmes to identify transgressive segregants with desirable attributes.
{"title":"Genetic diversity for curd yield and its attributes in late cauliflower","authors":"Jagmeet Singh, Akhilesh Sharma, Hem Lata, Alisha Thakur, Nimit Kumar","doi":"10.58993/ijh/2023.80.2.2","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.2","url":null,"abstract":"Genetic diversity was studied in 26 genotypes of late group of cauliflower during winter 2018-19 and 2019- 20. Based on mean performance, DPCaCMS-1 produced significantly high marketable curd weight, 27.38% better than the best check. D2 analysis clustered the genotypes in seven clusters, with the maximum in Cluster I. Genotypes from clusters V and VI with higher inter-cluster genetic divergence would be a valuable source of genes for improvement. Cluster IV represented maximum mean values for marketable curd weight. The maximum contribution towards genetic diversity was made by days to curd initiation followed by leaves/plant and curd diameter. Principal component analysis indicated the five most informative principal components with more than one eigen value, accounting for 83.59% of the total variance for all traits. The genotypes, namely, DPCafW3, DPCaf US, DPCaCMS-1, DPCaCMS-2, DPCaf-1, DPCaCMS-3, DPCaf30, DPCaf13, and DPCafS5-1 seem to be the promising potential genotypes that can be involved in hybridization programmes to identify transgressive segregants with desirable attributes.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"30 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78230568","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.4
N. Gupta, P. Singh, Rajesh Kumar, T. Chaubey, Vikas Singh
Manual seed extraction of ash gourd is time and labour extensive, and freshly harvested seeds possess dormancy. Hence, seed extraction protocol was standardized, and physio-biochemical changes associated with post-harvest ripening (PHR) were elucidated in ash gourd cv. Kashi Dhaval. Allowing pulp to ferment for 24 to 48 h gave the best quality seed (germination and vigour) compared to acid, alkali and manual extraction. PHR of fruit for 20-30 days before seed extraction gave the higher seed yield (seeds per fruit and 100-seed weight), higher seed germination and vigour compared to seed obtained from freshly harvested fruits. Physiological analysis showed that PHR increased the seed reserve (total soluble proteins, starch) except total soluble sugars, conceivably due to conversion to starch.
{"title":"Physiological basis of post-harvest ripening and standardization of seed extraction in ash gourd","authors":"N. Gupta, P. Singh, Rajesh Kumar, T. Chaubey, Vikas Singh","doi":"10.58993/ijh/2023.80.2.4","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.4","url":null,"abstract":"Manual seed extraction of ash gourd is time and labour extensive, and freshly harvested seeds possess dormancy. Hence, seed extraction protocol was standardized, and physio-biochemical changes associated with post-harvest ripening (PHR) were elucidated in ash gourd cv. Kashi Dhaval. Allowing pulp to ferment for 24 to 48 h gave the best quality seed (germination and vigour) compared to acid, alkali and manual extraction. PHR of fruit for 20-30 days before seed extraction gave the higher seed yield (seeds per fruit and 100-seed weight), higher seed germination and vigour compared to seed obtained from freshly harvested fruits. Physiological analysis showed that PHR increased the seed reserve (total soluble proteins, starch) except total soluble sugars, conceivably due to conversion to starch.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"49 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83657023","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 : 2023-06-28DOI: 10.58993/ijh/2023.80.2.11
Amit Kumar, J. P. Rathore, M. Sharma, A. Sharma, Angrej Ali, A. S. Sundouri
The present study was conducted to find the effect of different rootstock-scion combinations on multiplication of Pear (Pyrus communis) saplings. There were four scion cultivars and five rootstocks, constituting twenty treatment combinations. Data revealed that maximum leaf length and width were recorded in cv. Chinese Sandy Pear grafted on BA-29 and Pear sucker rootstocks. However, the minimum leaf length and width were recorded in cv. Carmen grafted on Quince and cv. Abate Fetel on BA-29 rootstocks. The highest leaf area (23.46 cm2) was recorded in cv. Chinese Sandy Pear on BA-29, while it was minimum (14.19 cm2) in cv. Abate Fetel on BA-29. Leaf chlorophyll content was highest (3.71 mg/g) in Chinese Sandy Pear grafted on Quince. Length (27.11 μm) and width (9.96 μm) of stomata were recorded maximum in cv. Abate Fetel grafted on Kainth and cv. William Bartlett grafted on Quince, respectively. In contrast, the stomatal density was maximum (20.63/μm2) in cv. Carmen grafted on Quince. Grafted saplings of cv. Abate Fetel on Quince , cv. Chinese Sandy Pear on BA 29 and cv. William Bartlett on Quince C rootstocks recorded 86.67 per cent survival compared to other grafts. More number of saleable plants was recorded when cv. William Bartlett was grafted on Quince (86.33%). The investigations concluded that pear varieties raised on Quince rootstock had higher values for all studied parameters, followed by Quince C rootstock.
{"title":"Stionic interaction on leaf parameters and survival of grafted pear saplings","authors":"Amit Kumar, J. P. Rathore, M. Sharma, A. Sharma, Angrej Ali, A. S. Sundouri","doi":"10.58993/ijh/2023.80.2.11","DOIUrl":"https://doi.org/10.58993/ijh/2023.80.2.11","url":null,"abstract":"The present study was conducted to find the effect of different rootstock-scion combinations on multiplication of Pear (Pyrus communis) saplings. There were four scion cultivars and five rootstocks, constituting twenty treatment combinations. Data revealed that maximum leaf length and width were recorded in cv. Chinese Sandy Pear grafted on BA-29 and Pear sucker rootstocks. However, the minimum leaf length and width were recorded in cv. Carmen grafted on Quince and cv. Abate Fetel on BA-29 rootstocks. The highest leaf area (23.46 cm2) was recorded in cv. Chinese Sandy Pear on BA-29, while it was minimum (14.19 cm2) in cv. Abate Fetel on BA-29. Leaf chlorophyll content was highest (3.71 mg/g) in Chinese Sandy Pear grafted on Quince. Length (27.11 μm) and width (9.96 μm) of stomata were recorded maximum in cv. Abate Fetel grafted on Kainth and cv. William Bartlett grafted on Quince, respectively. In contrast, the stomatal density was maximum (20.63/μm2) in cv. Carmen grafted on Quince. Grafted saplings of cv. Abate Fetel on Quince , cv. Chinese Sandy Pear on BA 29 and cv. William Bartlett on Quince C rootstocks recorded 86.67 per cent survival compared to other grafts. More number of saleable plants was recorded when cv. William Bartlett was grafted on Quince (86.33%). The investigations concluded that pear varieties raised on Quince rootstock had higher values for all studied parameters, followed by Quince C rootstock.","PeriodicalId":13449,"journal":{"name":"Indian Journal of Horticulture","volume":"13 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-06-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78807105","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 : 2023-03-27DOI: 10.58993/ijh/2023.80.1.13
N. Maurya, A. K. Goswami, S. K. Singh, J. Prakash, S. Goswami, V. Chinnusamy, S. Jha, Deepak Singh Bisht, Satyabrata Pradhan
Low-temperature stress significantly affects physiological processes inducing plant growth hindrance,and reducing crop productivity. The present study aimed to understand the low-temperature stress inducedphysio-chemical behaviour of five papaya genotypes (Pusa Nanha, Red Lady, P-9-5, P-7-9 and one wild relativespecies Vasconcellea cundinamarcensis). Low temperature stress significantly decreased the canopy gasexchange parameters, relative water content (RWC), membrane stability index (MSI) and chlorophyll contentin all the papaya genotypes, while tending to increase the total soluble sugars, proline and total solubleproteins, although the alterations were genotype-specific. V. cundinamarcensis showed greater tolerance tolow-temperature stress followed by P-9-5 and P-7-9 than other genotypes by maintaining the highest RWC,MSI, total soluble proteins, chlorophyll and proline contents. Our results showed that the chlorophyll content,membrane lipid peroxidation and MSI could be used as the indices for the screening of potential papayagenotypes against cold tolerance.
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