Pub Date : 2018-05-30DOI: 10.46492/ijai/2018.3.1.8
Reshu Singh, R. Nigam, Rajpal Singh Sirohi, Satish Kumar
The present field experiment was conducted to evaluate the efficacy of bio agents and chemical nematicides viz. Trichoderma harzianum, Pseudomonas fluorescens, Bacillus subtilis, Carbofuran 3G and Phorate 10G for management of rice root-knot nematode Meloidogyne graminicola during kharif-2014, 2015 and 2016. The present findings revealed that all the treatments were significantly superior over control with respect to plant growth parameters and nematode population. In control, terminal and spiral galls developed on rice roots, and plants suffered 32-41% decrease in the plant growth parameters and resulted upto 27% yield loss. At harvest greater decrease in soil population was recorded after soil application of T. harzianum (51.11%) followed by carbofuran 3G (46.82%). T. harzianum and carbofuran 3G were at par in suppression of root gall and egg mass suppression and T. harzianum caused 61.11 and 58.28% reduction in root gall and egg mass respectively, whereas, carbofuran 3G caused 59.52% and 62.50% reduction in root gall and egg mass respectively.
{"title":"Chemical and biological control of root knot nematode (Meloidogyne graminicola) in Paddy Crop","authors":"Reshu Singh, R. Nigam, Rajpal Singh Sirohi, Satish Kumar","doi":"10.46492/ijai/2018.3.1.8","DOIUrl":"https://doi.org/10.46492/ijai/2018.3.1.8","url":null,"abstract":"The present field experiment was conducted to evaluate the efficacy of bio agents and chemical nematicides viz. Trichoderma harzianum, Pseudomonas fluorescens, Bacillus subtilis, Carbofuran 3G and Phorate 10G for management of rice root-knot nematode Meloidogyne graminicola during kharif-2014, 2015 and 2016. The present findings revealed that all the treatments were significantly superior over control with respect to plant growth parameters and nematode population. In control, terminal and spiral galls developed on rice roots, and plants suffered 32-41% decrease in the plant growth parameters and resulted upto 27% yield loss. At harvest greater decrease in soil population was recorded after soil application of T. harzianum (51.11%) followed by carbofuran 3G (46.82%). T. harzianum and carbofuran 3G were at par in suppression of root gall and egg mass suppression and T. harzianum caused 61.11 and 58.28% reduction in root gall and egg mass respectively, whereas, carbofuran 3G caused 59.52% and 62.50% reduction in root gall and egg mass respectively.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"265 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121979758","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 : 2018-05-29DOI: 10.46492/ijai/2018.3.1.4
W. Hasan, Nida Asif, Shweta Patel, N. Singh, Rajendra Singh
The present study was done to know the efficacy of sub lethal doses Insecticides on mustard aphid, L. erysimi Kalt under laboratory conditions. Results revealed that the highest mortality of L erysimi were observed 100 % (Cypermethrin 10EC and Dimethoate 30 EC) followed by 93.33% (Thiamethoxam 25 WG, Imidacloprid 70 WG ), 86.67% (Acetamiprid 20 SP), 73.33% (Chlorantraniliprole 18.5 SC, Fenpyroximate 5 SC), 60% (Pyriproxyfen 10 EC, Fipronil 5 SC) at 72 Hrs after treatment in 0.001% concentration. At 72 Hrs after treatment in 0.002% concentration the highest mortality were observed 100% (Cypermethrin 10EC, Chlorantraniliprole 18.5 SC and Dimethoate 30 EC) followed by 93.33% (Lambda cyhalothrin 5EC, Imidacloprid 70 WG), 86.67% (Thiamethoxam 25 WG), 60% (Pyriproxyfen 10 EC), 80% (Fenpyroximate 5 SC), 73.33% (Fipronil 5 SC), 66.67% (Pyriproxyfen 10 EC, Acetamiprid 20 SP). Whereas Treated with 0.003% the highest mortality were observed 100% (Dimethoate 30 EC, Chlorantraniliprole 18.5 SC, Lambda cyhalothrin 5EC, Imidacloprid 70 WG Cypermethrin 10 EC) followed by 93.33% (Thiamethoxam 25 WG, Fenpyroximate 5 SC), 80% (Acetamiprid 20 SP, Pyriproxyfen 10 EC) and lowest 66.67% mortality recode in treated with Fipronil 5 SC.
{"title":"Efficacy of sub lethal doses of Insecticides on mustard aphid, Lipaphis erysimi Kalt","authors":"W. Hasan, Nida Asif, Shweta Patel, N. Singh, Rajendra Singh","doi":"10.46492/ijai/2018.3.1.4","DOIUrl":"https://doi.org/10.46492/ijai/2018.3.1.4","url":null,"abstract":"The present study was done to know the efficacy of sub lethal doses Insecticides on mustard aphid, L. erysimi Kalt under laboratory conditions. Results revealed that the highest mortality of L erysimi were observed 100 % (Cypermethrin 10EC and Dimethoate 30 EC) followed by 93.33% (Thiamethoxam 25 WG, Imidacloprid 70 WG ), 86.67% (Acetamiprid 20 SP), 73.33% (Chlorantraniliprole 18.5 SC, Fenpyroximate 5 SC), 60% (Pyriproxyfen 10 EC, Fipronil 5 SC) at 72 Hrs after treatment in 0.001% concentration. At 72 Hrs after treatment in 0.002% concentration the highest mortality were observed 100% (Cypermethrin 10EC, Chlorantraniliprole 18.5 SC and Dimethoate 30 EC) followed by 93.33% (Lambda cyhalothrin 5EC, Imidacloprid 70 WG), 86.67% (Thiamethoxam 25 WG), 60% (Pyriproxyfen 10 EC), 80% (Fenpyroximate 5 SC), 73.33% (Fipronil 5 SC), 66.67% (Pyriproxyfen 10 EC, Acetamiprid 20 SP). Whereas Treated with 0.003% the highest mortality were observed 100% (Dimethoate 30 EC, Chlorantraniliprole 18.5 SC, Lambda cyhalothrin 5EC, Imidacloprid 70 WG Cypermethrin 10 EC) followed by 93.33% (Thiamethoxam 25 WG, Fenpyroximate 5 SC), 80% (Acetamiprid 20 SP, Pyriproxyfen 10 EC) and lowest 66.67% mortality recode in treated with Fipronil 5 SC.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"29 2 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124294728","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 : 2018-05-29DOI: 10.46492/ijai/2018.3.1.7
V. Singh, B. Kumar, L. Singh, Sourabh Panwar, S. Kaur, Dattesh Tamatam
Estimation of combining ability by half diallel analysis and magnitude of heterosis was conducted at Section of Rabi Cereals, C. S. A. University of Agriculture Science and Technology, Kanpur, UP, in a set of 10 parents received from Economic Botanist Region, Section of Rabi Cereals, Kanpur by making 45 cross combinations evaluated during winter and Rabi 2012-13 in RBD with three replications. The data on nine characters viz. days to 50 % flowering, Plant height, No. of tillers/plant, Spike length/plant, No. of grains/main spike, Days to maturity, 1000-grain weight and Grain yield/plant were utilized for present study. On the basis of GCA effects across eight charactersK9423 and K9533 (-0.76) are good and desirable for days to 75% flowering for crop improvement, grain yield per plant observed for PBW502 and PBW343. The most promising crosses showing significantly positive SCA effects for yield per plant K9423xHD2285and PBW502xPBW343, days to maturity is showing significantly negative SCA effect for NW2036xHD2285 (-9.68). Heterosis is estimated highest over better parent for yield per plant was HD2285xK9533 (16.15). These crosses should be exploited for further advancement in breeding programme for HYVs and early maturity, simultaneously.
{"title":"Study on heterosis and combining ability through diallel mating analysis in F1 generation of Bread Wheat (Triticum aestivum L.)","authors":"V. Singh, B. Kumar, L. Singh, Sourabh Panwar, S. Kaur, Dattesh Tamatam","doi":"10.46492/ijai/2018.3.1.7","DOIUrl":"https://doi.org/10.46492/ijai/2018.3.1.7","url":null,"abstract":"Estimation of combining ability by half diallel analysis and magnitude of heterosis was conducted at Section of Rabi Cereals, C. S. A. University of Agriculture Science and Technology, Kanpur, UP, in a set of 10 parents received from Economic Botanist Region, Section of Rabi Cereals, Kanpur by making 45 cross combinations evaluated during winter and Rabi 2012-13 in RBD with three replications. The data on nine characters viz. days to 50 % flowering, Plant height, No. of tillers/plant, Spike length/plant, No. of grains/main spike, Days to maturity, 1000-grain weight and Grain yield/plant were utilized for present study. On the basis of GCA effects across eight charactersK9423 and K9533 (-0.76) are good and desirable for days to 75% flowering for crop improvement, grain yield per plant observed for PBW502 and PBW343. The most promising crosses showing significantly positive SCA effects for yield per plant K9423xHD2285and PBW502xPBW343, days to maturity is showing significantly negative SCA effect for NW2036xHD2285 (-9.68). Heterosis is estimated highest over better parent for yield per plant was HD2285xK9533 (16.15). These crosses should be exploited for further advancement in breeding programme for HYVs and early maturity, simultaneously.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2018-05-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130253179","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 : 2017-08-01DOI: 10.46492/ijai/2019.4.1.21
A. K. Tiwari, Sanjay K Singh, A. Tomar, Mahak Singh
Genetics components analysis exhibited over dominance for all the characters in both the generations except plant height which showed partial dominance in F1 and complete dominance in F2. The value of genetic component ( Fˆ ) were found positive for all the characters in both generations except number of primary branches and plant height in both the generations. The positive and significant values of Fˆ indicated that the dominant genes were more frequent than recessive ones in the parents for concerned character. The correlation coefficient (r) between parental order of dominance and parental measurement was not found to be negative for any character.
{"title":"Genetic components analysis in Indian Mustard (Brassica juncea L. Czern and Coss)","authors":"A. K. Tiwari, Sanjay K Singh, A. Tomar, Mahak Singh","doi":"10.46492/ijai/2019.4.1.21","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.1.21","url":null,"abstract":"Genetics components analysis exhibited over dominance for all the characters in both the generations except plant height which showed partial dominance in F1 and complete dominance in F2. The value of genetic component ( Fˆ ) were found positive for all the characters in both generations except number of primary branches and plant height in both the generations. The positive and significant values of Fˆ indicated that the dominant genes were more frequent than recessive ones in the parents for concerned character. The correlation coefficient (r) between parental order of dominance and parental measurement was not found to be negative for any character.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115294367","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 : 1900-01-01DOI: 10.46492/ijai/2019.4.2.5
R. Karn, Answiya Neupane, Suman Bhattarai, S. Neupane, P. Dhital
The study was conducted to assess the value chain of ginger sub-sector in Hiliyang Rural Municipality, Panchthar District, Nepal. The study was conducted in ward No 6 and 7 of Hiliyang Rural Municipality under the area of block of ginger under Prime Minister Agriculture Modernization Project. The methodological tools such as household survey with 60 ginger producers using interview schedule, key informants interview and rapid market appraisal with ginger producers and focus group discussion among local traders, local collectors, and district level traders were used to collect information. The ginger producers were sampled using random sampling technique and the data were collected in 2018, Feb-June. It was found that majority of the respondents had agriculture as their primary occupation with average land holding area 0.944 ha with average ginger production area 0.088 ha. The average yield of the ginger was 12.40 MT/ha with average cost of production of ginger Rs.17.68/kg. Majority of the respondents had known about the trending price of ginger via local collectors and traders. Fresh ginger was the only product exported from the district as value addition was very nominal. Only cleaning, sorting and packaging activities were performed by the farmers who sold their produce to local traders who in turn supplied to exporter of Birtamode. The trend of ginger cultivation was found to be decreasing. Low as well as fluctuating market price, lack of proper storage and processing facilities were regarded as major problems in ginger marketing. Rhizome rot and Khumle kira was found as the main hindrance in ginger production. This research explored the existing scenario of ginger value chain and its major constraints in the study area.
{"title":"Value chain analysis of ginger in Panchthar District, Nepal","authors":"R. Karn, Answiya Neupane, Suman Bhattarai, S. Neupane, P. Dhital","doi":"10.46492/ijai/2019.4.2.5","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.2.5","url":null,"abstract":"The study was conducted to assess the value chain of ginger sub-sector in Hiliyang Rural Municipality, Panchthar District, Nepal. The study was conducted in ward No 6 and 7 of Hiliyang Rural Municipality under the area of block of ginger under Prime Minister Agriculture Modernization Project. The methodological tools such as household survey with 60 ginger producers using interview schedule, key informants interview and rapid market appraisal with ginger producers and focus group discussion among local traders, local collectors, and district level traders were used to collect information. The ginger producers were sampled using random sampling technique and the data were collected in 2018, Feb-June. It was found that majority of the respondents had agriculture as their primary occupation with average land holding area 0.944 ha with average ginger production area 0.088 ha. The average yield of the ginger was 12.40 MT/ha with average cost of production of ginger Rs.17.68/kg. Majority of the respondents had known about the trending price of ginger via local collectors and traders. Fresh ginger was the only product exported from the district as value addition was very nominal. Only cleaning, sorting and packaging activities were performed by the farmers who sold their produce to local traders who in turn supplied to exporter of Birtamode. The trend of ginger cultivation was found to be decreasing. Low as well as fluctuating market price, lack of proper storage and processing facilities were regarded as major problems in ginger marketing. Rhizome rot and Khumle kira was found as the main hindrance in ginger production. This research explored the existing scenario of ginger value chain and its major constraints in the study area.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131997641","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 : 1900-01-01DOI: 10.46492/ijai/2019.4.1.4
R. Tilekar, V. G. Chavan, B. L. Kumhar, G. K. Bahure, V. Game, H. Patil
The present investigation entitled “Effect of sowing dates and establishment methods on quality parameter, uptake of NPK and economics of groundnut (Arachis hypogaea L.) under Konkan region of Maharashtra” was conducted at Agronomy Farm, Department of Agronomy, College of Agriculture, Dapoli, Dist. Ratnagiri, Maharashtra during kharif season of 2015. The results revealed that, the gross return (Rs. 209162 ha-1), net return (Rs. 69446 ha-1) and B: C ratio (1.50) was appreciably higher in 23rd MW as compared to the other sowing dates. However, broad bed furrow method of sowing obtained highest gross returns (Rs. 206615 ha-1), net profit (Rs. 68790 ha-1), and B: C ratio (1.50) as compared to flat bed method of sowing. The highest total nitrogen uptake (142.67 kg ha-1, total phosphorus uptake (11.45 kg ha-1) and total potassium uptake (67.82 kg ha-1) recorded under 23rd MW. Total nitrogen, total phosphorus and total potassium uptake was significantly higher in crop sown by broad bed furrow than flat bed.
本研究题为“播种日期和建立方法对马哈拉施特拉邦康坎地区花生(arachhis hypogaea L.)品质参数、氮磷钾吸收和经济的影响”，于2015年收割季在马哈拉施特拉邦拉特纳吉里区达波里农学院农学系农艺学农场进行。结果表明，与其他播期相比，23 MW的总收益(209162 ha-1)、净收益(69446 ha-1)和B: C比(1.50)明显较高。与平床播种相比，宽床沟播获得最高的总收益(206615 ha-1卢比)、净利润(68790 ha-1卢比)和B: C比(1.50)。总氮吸收142.67 kg ha-1，总磷吸收11.45 kg ha-1，总钾吸收67.82 kg ha-1。宽垄作对全氮、全磷、全钾的吸收显著高于平垄作。
{"title":"Effect of sowing dates and establishment methods on quality parameter, uptake of NPK and economics of groundnut (Arachis hypogaea L.) under Konkan region of Maharashtra","authors":"R. Tilekar, V. G. Chavan, B. L. Kumhar, G. K. Bahure, V. Game, H. Patil","doi":"10.46492/ijai/2019.4.1.4","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.1.4","url":null,"abstract":"The present investigation entitled “Effect of sowing dates and establishment methods on quality parameter, uptake of NPK and economics of groundnut (Arachis hypogaea L.) under Konkan region of Maharashtra” was conducted at Agronomy Farm, Department of Agronomy, College of Agriculture, Dapoli, Dist. Ratnagiri, Maharashtra during kharif season of 2015. The results revealed that, the gross return (Rs. 209162 ha-1), net return (Rs. 69446 ha-1) and B: C ratio (1.50) was appreciably higher in 23rd MW as compared to the other sowing dates. However, broad bed furrow method of sowing obtained highest gross returns (Rs. 206615 ha-1), net profit (Rs. 68790 ha-1), and B: C ratio (1.50) as compared to flat bed method of sowing. The highest total nitrogen uptake (142.67 kg ha-1, total phosphorus uptake (11.45 kg ha-1) and total potassium uptake (67.82 kg ha-1) recorded under 23rd MW. Total nitrogen, total phosphorus and total potassium uptake was significantly higher in crop sown by broad bed furrow than flat bed.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"66 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116911196","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 : 1900-01-01DOI: 10.46492/ijai/2019.4.1.6
A. Tomar, M. Srivastava, Mahak Singh
The analysis of variance based on mean values of 10 characters namely, day to flower, number of primary branches per plant, number of secondary branches per plant, days to maturity, plant height (cm), number of siliquae per plant, number of seeds per siliquae, 1000-seed weight (g), oil content (%) and seed yield per plant (g) were studied for testing the significance of differences among the treatments. The mean sum of squares for all the characters. Highly significant differences were recorded among all the treatments for all the 10 characters except number of primary branches per plant, number of secondary branches per plant, days to maturity and oil content.
{"title":"Mean performance, range and analysis of variance in Indian mustard (Brassica juncea L. Czern and Coss)","authors":"A. Tomar, M. Srivastava, Mahak Singh","doi":"10.46492/ijai/2019.4.1.6","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.1.6","url":null,"abstract":"The analysis of variance based on mean values of 10 characters namely, day to flower, number of primary branches per plant, number of secondary branches per plant, days to maturity, plant height (cm), number of siliquae per plant, number of seeds per siliquae, 1000-seed weight (g), oil content (%) and seed yield per plant (g) were studied for testing the significance of differences among the treatments. The mean sum of squares for all the characters. Highly significant differences were recorded among all the treatments for all the 10 characters except number of primary branches per plant, number of secondary branches per plant, days to maturity and oil content.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115280016","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 : 1900-01-01DOI: 10.46492/ijai/2019.4.1.3
R. Lal, R. Nigam, Joginder Singh
Sugarcane is one of the most important cash crops grown in India. Diseases cause deterioration in the juice quality of infected canes and reduce extraction of sugar. Among the various diseases reported from India, wilt is important disease in sugarcane. The disease is soil as well as sett borne in nature. In recent years, the use of bio-pesticides has gained attention in the management of diseases because of their non-hazardous nature, easily biodegradable and also do not cause bioaccumulation. Some of the most potent isolates of Trichoderma spp. identified from study were tested in lab as well as field condition for disease management of wilt. In a field experiment it was observed that the wilt incidence in the susceptible variety CoLk 97169 was considerably reduced and yield was enhanced in soil application of Trichoderma (20 kg TMC/ha) followed by sett dipping in Trichoderma spore suspension (106 spores/ml) before planting. Trichoderma can be multiplied either on FYM or press mud for its incorporation in sugarcane fields for the management of wilt disease.
甘蔗是印度最重要的经济作物之一。疾病导致受感染的甘蔗汁液质量恶化，减少糖的提取。在印度报告的各种病害中，枯萎病是甘蔗的重要病害。这种病既在土壤中传播，也在土壤中传播。近年来，生物农药因其无危害、易生物降解、不产生生物积累等特点，在疾病防治中得到了广泛关注。在实验室和田间条件下，对从研究中鉴定出的一些最有效的木霉菌株进行了测试，以进行枯萎病的疾病管理。田间试验发现，种植前施用木霉(20 kg TMC/ha)，再浸泡木霉孢子悬浮液(106孢子/ml)，可显著降低感病品种CoLk 97169的青枯病发病率，提高产量。木霉可以在FYM或压榨泥上繁殖，用于甘蔗田的枯萎病管理。
{"title":"Bioefficacy of Trichoderma as biological control agent against sugarcane wilt","authors":"R. Lal, R. Nigam, Joginder Singh","doi":"10.46492/ijai/2019.4.1.3","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.1.3","url":null,"abstract":"Sugarcane is one of the most important cash crops grown in India. Diseases cause deterioration in the juice quality of infected canes and reduce extraction of sugar. Among the various diseases reported from India, wilt is important disease in sugarcane. The disease is soil as well as sett borne in nature. In recent years, the use of bio-pesticides has gained attention in the management of diseases because of their non-hazardous nature, easily biodegradable and also do not cause bioaccumulation. Some of the most potent isolates of Trichoderma spp. identified from study were tested in lab as well as field condition for disease management of wilt. In a field experiment it was observed that the wilt incidence in the susceptible variety CoLk 97169 was considerably reduced and yield was enhanced in soil application of Trichoderma (20 kg TMC/ha) followed by sett dipping in Trichoderma spore suspension (106 spores/ml) before planting. Trichoderma can be multiplied either on FYM or press mud for its incorporation in sugarcane fields for the management of wilt disease.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"63 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114612563","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 : 1900-01-01DOI: 10.46492/ijai/2019.4.1.2
Shubhechhya Regmi, B. Rajbhandari
Open top chamber system was designed for undertaking research into rice crop response to increased temperature during rainy season at Regional Agricultural Research Station (RARS), Khajura, Banke in 2018. With the objective of determining the efficacy of the chamber system and to generate possible differences in climate which could alter plant response between ambient and chamber system, 5 different rice varieties (Radha-4, Sukhkhadhan-3, Sukhkhadhan-2, IR83383-G-B-141-1 and IR87751-20-4-4-2) with three temperature conditions were used: ambient condition, open top chamber with 1.2m height enclosed from base with plastic sheet and open top chamber with 1.5m height enclosed from base with plastic sheet. With 3.1°c higher temperature Sukhkhadhan-2 significantly (p value= 0.0199) produced higher grain yield 4.33 t/ha under chamber condition in contrast to open field (2.93 t/ha) as well as significantly (p value=0.0175) higher biomass yield 13.62 t/ha under elevated temperature. Also, Sukhkhadhan-2 significantly (p value=0.0012) attained maximum height (86.99 cm) under chamber condition compared to open field (73.06 cm) during harvest. Statistical analysis showed no significant difference for number of tillers per hill during maturity stage. Significantly sukhkhadhan-3 (p value=0.02994) showed longer panicle length 25.7cm under chamber than normal field condition (23.74 cm). In addition, Radha- 4 significantly (p value=0.03823) produced more filled grains per panicle (169) under chamber conditions than ambient condition (112). The consideration of crop variety is a good adoption measure to minimize incidence of elevated temperature in farming system.
{"title":"Performance of promising rice varieties under ambient and elevated temperature regimes","authors":"Shubhechhya Regmi, B. Rajbhandari","doi":"10.46492/ijai/2019.4.1.2","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.1.2","url":null,"abstract":"Open top chamber system was designed for undertaking research into rice crop response to increased temperature during rainy season at Regional Agricultural Research Station (RARS), Khajura, Banke in 2018. With the objective of determining the efficacy of the chamber system and to generate possible differences in climate which could alter plant response between ambient and chamber system, 5 different rice varieties (Radha-4, Sukhkhadhan-3, Sukhkhadhan-2, IR83383-G-B-141-1 and IR87751-20-4-4-2) with three temperature conditions were used: ambient condition, open top chamber with 1.2m height enclosed from base with plastic sheet and open top chamber with 1.5m height enclosed from base with plastic sheet. With 3.1°c higher temperature Sukhkhadhan-2 significantly (p value= 0.0199) produced higher grain yield 4.33 t/ha under chamber condition in contrast to open field (2.93 t/ha) as well as significantly (p value=0.0175) higher biomass yield 13.62 t/ha under elevated temperature. Also, Sukhkhadhan-2 significantly (p value=0.0012) attained maximum height (86.99 cm) under chamber condition compared to open field (73.06 cm) during harvest. Statistical analysis showed no significant difference for number of tillers per hill during maturity stage. Significantly sukhkhadhan-3 (p value=0.02994) showed longer panicle length 25.7cm under chamber than normal field condition (23.74 cm). In addition, Radha- 4 significantly (p value=0.03823) produced more filled grains per panicle (169) under chamber conditions than ambient condition (112). The consideration of crop variety is a good adoption measure to minimize incidence of elevated temperature in farming system.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124543773","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 : 1900-01-01DOI: 10.46492/ijai/2019.4.2.16
A. Tomar, M. Srivastava, Mahak Singh
High heritability estimates were observed for days to maturity, number of siliquae per plant, number of seeds per siliquae, seed yield per plant and oil content in both the generations and number of secondary branches and plant height only F1 generation In F2 generation, high heritability was observed for plant height, number of seeds per siliqua and number of secondary branches. The maximum genetic advance coupled with high heritability was observed for number of siliquae per plant in F2 generation. Correlation study indicated that Seed yield per plant showed a positive and highly significant association with 1000-seed weight.
{"title":"Selection parameter analysis in Indian mustard (Brassica juncea L. Czern and Coss)","authors":"A. Tomar, M. Srivastava, Mahak Singh","doi":"10.46492/ijai/2019.4.2.16","DOIUrl":"https://doi.org/10.46492/ijai/2019.4.2.16","url":null,"abstract":"High heritability estimates were observed for days to maturity, number of siliquae per plant, number of seeds per siliquae, seed yield per plant and oil content in both the generations and number of secondary branches and plant height only F1 generation In F2 generation, high heritability was observed for plant height, number of seeds per siliqua and number of secondary branches. The maximum genetic advance coupled with high heritability was observed for number of siliquae per plant in F2 generation. Correlation study indicated that Seed yield per plant showed a positive and highly significant association with 1000-seed weight.","PeriodicalId":250014,"journal":{"name":"International Journal of Agricultural Invention","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114667213","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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