Journal of Agriculture and Environment for International Development最新文献_第7页

Area-Wide Control Program in Management of Chinese Citrus Fly, Bactrocera minax (Enderlein) (Diptera: Tephritidae), in Citrus Orchards, Sindhuli, Nepal 尼泊尔Sindhuli柑桔园柑桔蝇小实蝇(双翅目:小实蝇科)的区域控制

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46784

D. Adhikari, R. Thapa, S. Joshi, J. Du

引用次数: 1

Genetic Variability Study of Local Rice Genotypes 地方水稻基因型遗传变异研究

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46811

P. Panth, A. Dahal, K. Upadhyay

{"title":"Genetic Variability Study of Local Rice Genotypes","authors":"P. Panth, A. Dahal, K. Upadhyay","doi":"10.3126/aej.v22i0.46811","DOIUrl":"https://doi.org/10.3126/aej.v22i0.46811","url":null,"abstract":"Rice is a self- pollinating, major staple food crop growing in tropical and having high importance in food security and economy of the country. The study was conducted main season during first week of May to third week of September 2018 in the research field of Gokuleshwor Agriculture and Animal Science College, Baitadi of Sudurpaschim province in 3 replications in Randomized Complete Block Design with 13 local genotypes including 2 improved checks Black rice (G-60) and Sukkha Dhan-3 to evaluate performance of different local rice varieties grown in Gokuleshwor agro-environment. Phenotypic traits like plant height, tiller number, panicle number, panicle length, leaf area index and genotypic traits like thousands kernel weight, grain/panicle, productivity, biological yield and harvest index were the traits evaluated Highest grain yielding genotype was Naka Dhan (7.80ton/ha) and highest thousands kernel weight was found in Chiude (30.33 gm) . Phenotypic coefficient of variation was highest for number of unfilled grains per spike (81.39) followed by leaf area (51.37 cm2) and lowest magnitude was exhibited by number of spike/panicle (26.16) and harvest index (19.44%). The heritability was highest for thousands kernel weight (99.07%) followed by plant height (95.23%) and panicle length (76.34%) and lowest for unfilled grains/spike (41.69%) and yield (41.36%). Correlation study suggested that productivity showed the positive significant association with biological yield (0.896) and harvest index (0.348). Most of other traits have shown positive association with productivity. Thus, Chiude and Naka dhan genotypes could further be used for breeding programmes for the environmental condition of Baitadi district, Nepal.","PeriodicalId":43365,"journal":{"name":"Journal of Agriculture and Environment for International Development","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87715131","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}

引用次数: 0

Mainstreaming the Conservation Agriculture in Nepal 尼泊尔保护农业主流化

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Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46818

T. Karki, R. Acharya

引用次数: 1

Varietal Screening of Rice Genotypes for the Rice Weevil, Sitophilus oryzae (Linnaeus) (Curculionidae: Coleoptera) at Laboratory Condition 实验室条件下水稻象鼻虫米象科基因型的品种筛选

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46785

M. Pal, Shraddhesh Kumar Tiwari, R. Regmi, F. Ali

{"title":"Varietal Screening of Rice Genotypes for the Rice Weevil, Sitophilus oryzae (Linnaeus) (Curculionidae: Coleoptera) at Laboratory Condition","authors":"M. Pal, Shraddhesh Kumar Tiwari, R. Regmi, F. Ali","doi":"10.3126/aej.v22i0.46785","DOIUrl":"https://doi.org/10.3126/aej.v22i0.46785","url":null,"abstract":"The rice weevil, Sitophilus oryzae (Linnaeus) is a major pest of rice at storage condition in Nepal. A lab experiment was conducted for varietal screening of rice genotypes against S. oryzae at the National Rice Research Program, Hardinath, Dhanusha, Nepal in 2020. The study was carried out in Completely Randomized Design (CRD) in a three replicates. Fifty gram of each seven popular rice genotypes i.e Sambha Mansuli Sub-1, Ramdhan, Radha-11, Bahuguni-1, Bahuguni-2, Hardinath-2 and Lalka Basmati were used to screen the potential weevil resistant rice cultivars. Ten pairs of newly emerged adult S. oryzae of uniform age obtained from stock culture were released in each plastic jar in no-choice tests, while twenty five pairs of S. oryzae were released in the center, in choice tests. Results were evaluated based on the grain damage percent, weight loss percent, and total live weevil population for 90 days from the date of experiment. The result demonstrated that Lalka Basmati was the least damaged rice cultivar followed by Bahuguni-2. The highest weevil population over 90 days was recorded in Sambha Mansuli Sub-1 followed by Hardinath-2 and the least weevil population was found on Lalka Basmati followed by Bahuguni -2 in both test conditions. Lowest to highest damage ranking of rice genotypes was: Lalka Basmati<Bahuguni-2<Bahuguni-1<Radha-11<Ramdhan<Hardinath-2<Sambha Mansuli Sub-1. Thus, promotion of Lalka Basmati & Bahuguni-2 varieties is recommended to reduce the infestation of rice weevil in the storehouse condition. This information is useful for host plant resistant breeding program for the plant breeder.","PeriodicalId":43365,"journal":{"name":"Journal of Agriculture and Environment for International Development","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79398530","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}

引用次数: 1

Emigration and Feminization in Nepalese Agriculture: Implications for Food Security 尼泊尔农业中的移民和女性化:对粮食安全的影响

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46782

A. Pandey, K. Tripathi, S. Devkota

引用次数: 1

Effects of Sowing Dates on Grain Yield and Oil Content of rapeseed (Brassicacampestris var L. toria) Varieties in Middle Terai Region, Nawalparasi, Nepal 播期对尼泊尔纳瓦尔帕拉斯中部特莱地区油菜籽粒产量和含油量的影响

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46786

M. P. Khatiwada, N. Chaudhary, S. K. Sah, J. Dutta

{"title":"Effects of Sowing Dates on Grain Yield and Oil Content of rapeseed (Brassicacampestris var L. toria) Varieties in Middle Terai Region, Nawalparasi, Nepal","authors":"M. P. Khatiwada, N. Chaudhary, S. K. Sah, J. Dutta","doi":"10.3126/aej.v22i0.46786","DOIUrl":"https://doi.org/10.3126/aej.v22i0.46786","url":null,"abstract":" A field experiment was laid out in split-plot design with sowing date in the main plot and varieties in the sub-plot to determine the effects of sowing dates on growth, yield and oil content of rapeseed varieties. Four sowing dates 15 days apart set on October 13th, 28th, November 12th and 27th and four rapeseed varieties (Unnati, Preeti, Pragati and Local landrace) were used. The results revealed that the highest grain yield and oil content was obtained from the October 28th sowing date and it was statistically different from all other dates of sowing. On average, oil content was decreased by 5.75% and seed yield by 0.65 t/ha for every fortnight delay in sowing from October 28th sowing date. Highest yield and oil content was obtained from variety Preeti and it was statistically different from all other three varieties. Variety Preeti was the best yielding variety for October sowing date while variety Unnati was the best for November sowing date. Preeti is recommended to be sown on October 28th in middle terai area for optimum yield but under late sown condition, Unnati is preferred for obtaining the optimum yield.","PeriodicalId":43365,"journal":{"name":"Journal of Agriculture and Environment for International Development","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78876275","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}

引用次数: 0

Evaluation of Bread Wheat Genotypes for Stripe Rust Resistance 面包小麦抗条锈病基因型评价

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-30 DOI: 10.3126/aej.v22i0.46812

P. B. Magar, S. Baidya, D. Thapa, M. Subedi, R. Basnet, K. Pant

引用次数: 0

How farmer characteristics and dimensions of resilience correlate with farmers’ ability to recover from shocks: a case study of Indonesian palm oil smallholders 农民的特点和复原力如何与农民从冲击中恢复的能力相关：对印度尼西亚棕榈油小农户的案例研究

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-29 DOI: 10.12895/JAEID.20211.1192

Nia Kurniawati Hidayat, A. Offermans, P. Glasbergen

{"title":"How farmer characteristics and dimensions of resilience correlate with farmers’ ability to recover from shocks: a case study of Indonesian palm oil smallholders","authors":"Nia Kurniawati Hidayat, A. Offermans, P. Glasbergen","doi":"10.12895/JAEID.20211.1192","DOIUrl":"https://doi.org/10.12895/JAEID.20211.1192","url":null,"abstract":"Most studies on the effects of certification on smallholders’ livelihood emphasize vulnerability while neglecting resilience. This paper assesses the farmer resilience of five different types of palm oil smallholders in Indonesia. We use and apply Speranza’s (2014) framework to assess and understand farmer resilience. We conclude that the correlations between buffer capacity, learning capacity, and resilience are rather weak. Our results further reveal that palm oil smallholders are relatively resilient to price declines, haze from forest fires and El Nino. The differences in resilience between the smallholder groups are small, although certified smallholders collaborating with companies and NGOs seem to be more resilient than uncertified smallholders collaborating with middlemen. The terminated Nucleus Estate Smallholder (NES) system allowed farmers to meet these favourable conditions. A few new initiatives, such as FAIR company-community partnerships may provide similar opportunities for smallholders. We also question the direct link between self-organization and resilience.","PeriodicalId":43365,"journal":{"name":"Journal of Agriculture and Environment for International Development","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47362327","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}

引用次数: 2

Sensitivity of Potato Yield and Biomass to Climate Change Effects in Gisozi, Burundi, and Washington, USA, and Assessment of LINTUL4 Model Behavior 美国Gisozi、布隆迪和华盛顿地区马铃薯产量和生物量对气候变化影响的敏感性及LINTUL4模型行为评估

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Journal of Agriculture and Environment for International Development Pub Date : 2021-06-29 DOI: 10.12895/JAEID.20211.1132

A. F. Senbeta, I. Supit, D. Harahagazwe

{"title":"Sensitivity of Potato Yield and Biomass to Climate Change Effects in Gisozi, Burundi, and Washington, USA, and Assessment of LINTUL4 Model Behavior","authors":"A. F. Senbeta, I. Supit, D. Harahagazwe","doi":"10.12895/JAEID.20211.1132","DOIUrl":"https://doi.org/10.12895/JAEID.20211.1132","url":null,"abstract":"Understanding climate change effects on crop production and evaluate the effectiveness of adaptation strategies in both developed and developing countries is of key importance. Crop simulation models can provide useful insight on the effects of increasing temperatures and rising CO2 concentrations [CO2] as well as rainfall variations. In this study, the LINTUL4 model was used to study the sensitivity effect of five temperature (T) levels (-3, 0, 3, 6, and 9oC above/below minimum/maximum temperatures), three precipitation (W) changes (30% decrease, baseline and 30% increase), and CO2 levels (baseline(360), 450, 540, 630 and 720ppm) on nutrient limited yield (Yn), water limited yield (Yw), water and nutrient limited yield (Ynw) and potential yield (Yp) of potato crop in high-input Washington, USA and low-input Gisozi, Burundi. The maximum weight of the tuber yield and aboveground biomass for Yp and Yw in Gisozi, and Yn and Yp in Washington was observed at combinations of lower temperature and elevated [CO2]. For Gisozi, maximum tuber yield for Yn and Ynw was observed at [CO2] of less than 720ppm. The results suggest that nutrient supply will continue to be the major limiting factor for potato production under elevated [CO2] in Gisozi, and water availability will limit Yw and Ynw rain-fed production in Washington. Generally, the LINTUL4 model performs well with few data input, but fails to predict the differential effect of high temperature on assimilate partitioning to aboveground and belowground biomass.","PeriodicalId":43365,"journal":{"name":"Journal of Agriculture and Environment for International Development","volume":null,"pages":null},"PeriodicalIF":0.8,"publicationDate":"2021-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"66120444","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}

引用次数: 1

EFFECTIVENESS OF FUNGICIDES ON BARLEY CROPS 大麦作物杀菌剂的有效性

IF 0.8

Journal of Agriculture and Environment for International Development Pub Date : 2021-06-24 DOI: 10.23649/JAE.2021.2.18.2

N. Apaeva

引用次数: 0