ISSN: 2643-5772
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Research Article Pages 218-225
Abstract: A field experiment was conducted in the fields of a farmer on the right bank of the Euphrates River in the city of Ramadi/the center of Anbar Governorate, which is located at longitude 43° and latitude 33°. Five genotypes of bread wheat were used, it was introduced into diallel crosses in the winter season 2018-2019 to produce 10 single cross hybrids. Parents and their half-diallel hybrids were planted in the winter season 2019-2020 according to a randomized complete block design (RCBD) with three replications, with the aim of studying the effects of general and specific combining ability to some genetic parameters.
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Research Article Pages 212-217
Abstract: An experiment was conducted on stability analysis of newly evolved genotypes of chrysanthemum (Dendranthema grandiflora Tzvelev) for loose flower production at the experimental farm of Department of Floriculture and Landscape Architecture, Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan and ICAR-IARI Regional Station, Katrain, Kullu Valley of H.P for two successive years 2017 and 2018 on nineteen genotypes of chrysanthemum, including cultivar 'Surf' as check for loose flower production. For character like plant height genotypes 'UHFSChr113' and 'UHFSChr114', genotypes 'UHFSChr125', 'UHFSChr128'and 'UHFSChr131' for days taken to flowering and for flower diameter genotypes 'UHFSChr111', 'UHFSChr122', 'UHFSChr132' for number of side shoots genotype 'UHFSChr121' were found stable. These genotypes were not influenced much by the season as well as environment and stable across the location and season.
Research Article Pages 206-211
Abstract: Sorghum is an important food security crop in Ethiopia. As the grain is preferred for food the biomass is equally important for farmers to use it as animal food. It is a major crop in lowland parts of eastern Amhara as the environment of the area best fits for the crop. The study was conducted with the objective of identifying high yielder and adaptable sorghum varieties for moisture deficit areas of eastern Amhara region. Eleven sorghum genotypes including two checks were evaluated at eight different environments of four locations namely; Sirinka, Jari, Chefa and Shewarobit within two years in 2016 and 2017 under rain feed condition. The experiment was implemented using a randomized complete block design (RCB) with three replications. The combined analysis of variance over years and across locations revealed highly significant difference (p < 0.01) among genotype for all traits. Genotype × year × environment interaction was non-significant except for plant height. The smallest days to maturity recoded by G8 (125.8 days) while G11 took more number of days to mature (132.9 days). G8 also recorded the highest panicle/head weight (4.56 tonha-1) whereas G11 recorded the lowest head weight (2.7 tonha-1). Genotypes ranged from 2.363 tonha-1 for G11 to 3.95 tonha-1 for G8 in grain yield. As the highest grain yield (3.95 tonha-1) was obtained by genotype G8 (Sima) while that of standard and local checks were 3.1 tonha-1 and 2.67 tonha-1, respectively. Thus, G8 (Sima) was found superior over the rest of the tested sorghum genotypes and it has 47.4% and 27.29% yield advantages over local and standard check, respectively. As a result G8 (Sima) was selected, verified and officially released for its early maturing and high yielding in 2019 by the name of Kalu for production in moisture deficit areas of eastern Amhara region and similar agro ecologies of the country.
Case Reports Pages 199-205
Abstract: A study was conducted in the Seed Testing laboratory of the Institute of Agricultural Research and Training to determine the response of kenaf to different threshing and packaging materials. Experiment design was a 2 × 3 × 4 × 2 factorial arrangement in CRD with 3 replications. The factors were variety, threshing methods, packaging materials and storage environments. The results showed that kenaf seed stored in both Jute bag and muslin cloth under ambient condition re- corded significantly higher germination percentage with 34% and 32.02% after six months in storage, respectively. Similar trend was followed under cold storage.
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