Background: Soybean is an excellent source of protein, also richer in oil than most legumes, making them a good source for vegetable oil and biofuels. Among various difficulties the maturity period of existing soybean varieties is the main hindrance of utilizing this for the existing cropping system. The narrow genetic base of cultivated soybean varieties and germplasm limit the scope to utilize directly in the breeding program. Methods: Mutation breeding is one of the techniques that provide large genetic diversity from a single source. To broaden the genetic diversity Binasoybean-3 and Binasoybean-4 were imposed to different doses of gamma radiation. The mutants were selected based on their agronomic performance and grouped at five different clusters at M5 generations. Maximum selection pressure was done during maturity period with protein and oil content. Result: Finally, eight mutants were selected for the advance breeding program, whereas mutants SM-03-15-5 mature within 90 days, containing 38% protein and 18.4% oil content will be considered directly for further steps of varietal release system. Background: Soybean is an excellent source of protein, also richer in oil than most legumes, making them a good source for vegetable oil and biofuels. Among various difficulties the maturity period of existing soybean varieties is the main hindrance of utilizing this for the existing cropping system. The narrow genetic base of cultivated soybean varieties and germplasm limit the scope to utilize directly in the breeding program.
The goal of this study was to ascertain how marginal farmers' farming operations impacted household food security. Additionally, efforts were undertaken to identify the challenges marginal farmers faced in attaining household food safety. Due to this, the study was carried out in three randomly chosen villages in the Rajbari district's Baliakandhi upazila. In these three communities, out of 500 marginal farmers, 26% of the populace was randomly selected. Data was acquired through direct interviews with marginal farmers between January 5 and February 20, 2009. The majority of marginal farmers (51%) fell into the medium group in terms of the contribution of farming enterprises to domestic food safety, while 37% fell into the low category. More over half of the family's food requirements were still unmet by the farming operations, which only met 40% of them annually. The biggest percentage of age (42%) of the four farming enterprise categories came from crops alone. Among the ten traits of the marginal peasants, the size of the farm and the yearly family income were positively connected, whereas the size of the family, the annual nutritional demands of the family, and cropping intensity practiced were negatively correlated. The remaining traits were not significantly correlated with how much farming operations contributed to household food security. Lack of suitable land for farming, poor training facilities, and ignorance of various facets of better farming enterprises were the main challenges marginal farmers faced in achieving household food security.
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