Breeding Research of A New Special Soybean Variety Jiqing 7
Recently,the demand for green soybeans keeps rising due to their rich nutrient content and high market value.In order to cope with the demand of farmers,enrich the resources of special soybean varieties,and improve the yield and disease resistance of green soybeans,the Institute of Agricultural Biotechnology,Jilin Academy of Agricultural Sciences bred a new special soybean variety,Jiqing 7,by combining the genealogy method with Jiyu 102 as the maternal parent and the elite line 20002-1 as the paternal parent by hybrid.In 2019 and 2020,the variety participated in the regional trial of soybean varieties in Jilin province.The average yield of the two years was2 377.7 kg·ha-1,which was 9.0%higher than the control variety Jiqing 1.In 2020,the variety participated in the production test,the average yield was 2 403.6 kg·ha-1,which was 8.5%higher than the control variety Jiqing 1.In addition,the disease and stress resistance of Jiqing 7 is also significantly higher than the control variety.In 2021,Jiqing 7 was validated in Jilin province.The variety is suitable for planting in the late maturing areas of Jilin,Liaoning,Heilongjiang and Inner Mongolia with a large radiating area for potential promotion.And because of the varieties of processing quality,protein content of 43.64%,fat content of 19.55%,protein and fat total of more than 63%,belonging to the double high green bean varieties,can be used as the best raw material varieties of sprouted beans,soy milk,soybean flour and other soybean products,and can be exported in large quantities to Japan and South Korea,with great potential for market development.The large-scale promotion of Jiqing 7 will contribute to substantially increase the income of soybean farmers.
special soybeanJiqing 7breedingcultivation techniquesprospects
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