Investigation and Analysis of Edible Bean Germplasm Resources in Jiangxi and Screening of Excellent Resources
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1.Institute of Crop Sciences,Jiangxi Acadmy of Agricultural Sciences,Nanchang 330200;2.Institute of Vegetable and Flower, Jiangxi Acadmy of Agricultural Sciences,Nanchang 330200

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Foundation projects: The Third National Survey and Collection of Crop Germplasm Resources; Reproduction, Cataloguing, Storage and Innovative Utilization of Dry Cropping Germplasm Resources in Jiangxi Province(JXXTCX202101-02)

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    Abstract:

    1307 local edible bean germplasm resources in Jiangxi province, China, were investigated and analyzed. These germplasm resources are distributed across 89 counties (cities and districts) in 11 prefecture-level cities, with the highest number of resources found in Shangrao, Yichun, Ganzhou, Jiujiang, Ji'an and Fuzhou cities. The distribution quantity of edible bean germplasm resources decreases with increasing altitude. These germplasm resources belong to 7 genera and 12 species, with cowpea resources exhibiting the strongest ecological adaptability, the widest distribution area and the largest number. In addition to cowpea, mung bean, bean and adzuki bean resources are abundant in the low altitude areas, while common bean and Lima bean are more prevalent in the mid- and high-altitude areas. The higher diversity indices of edible beans in various cities are concentrated at altitudes of 0 to 500 meters. Cowpea, mung bean, rice bean and pea resources are abundant in Shangrao, Yichun, Jiujiang, Ji'an and Pingxiang cities. Cowpea and mung bean resources are abundant in Yingtan, Xinyu, Jingdezhen and Nanchang cities. Cowpea, bean and pea resources are abundant in Ganzhou city. Cowpea, rice bean and common bean resources are abundant in Fuzhou city. Through phenotypic identification, the qualitative and quantitative traits of 449 cowpea resources, which had the largest number, were analyzed. The diversity indices at the eight quality traits were ranked (grain color>tender pod color>flower color>leaf shape>pod shape>mature pod color>grain shape>growth habit). The variation coefficients of pod length and 100-seed weight were the largest among quantitative traits, indicating significant potential for improvement. Based on the comprehensive performance of agronomic traits, quality, resistance and yield, 30 elite germplasm resources were identified. These germplasm resources have great potential for further exploration and are of great significance for accelerating the innovative utilization of edible bean germplasm resources in Jiangxi province, China.

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  • Received:June 13,2024
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  • Online: March 07,2025
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