Survey,Collection and Analysis of Vegetable Germplasm Resources in Chongqing Municipality of China
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Institute of Vegetables and Flowers,Chongqing Academy of Agricultural Sciences

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The Third National General Survey and Collection Action on Crop Germplasm Resources,National Germplasm Resources Jiangjin Observation and Experiment Station(NAES025GR05)

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    Abstract:

    From 2015 to 2020,relying on The Third National General Survey and Collection Action on Crop Germplasm Resources,Thirty-five agriculture-related in Chongqing districts and counties were surveyed. The distribution and biological classification of vegetable germplasm resources collected were analyzed. A total of 428 vegetable germplasm accessions from 35 species of 30 genera of 14 families were obtained. These germplasm accessions were mainly distributed at the three Gorges Reservoir area and the main urban areas of northeast Chongqing,accounting for 51.17% above 800 meters above sea level. Most of them were distributed in areas with a population density of less than 500 people /km2 . Beans,melons and mustard accounted for the largest proportion. Through the identification and evaluation, sixty-four resources with excellent performance in high yield, resistance to diseases and insects,and stress resistance were screened out,of which six were suitable for cultivation with potentially commercial interest,namely Sanyuan luffa,Malva,Dioscorea alata L.,Dingjia cardamine, Qingcaoba radish,Wine jug radish . This study will provide data support for the research on the diversity of vegetable germplasm resources,germplasm innovation,and new variety breeding in Chongqing municipality of China.

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History
  • Received:December 07,2021
  • Revised:January 17,2022
  • Adopted:February 09,2022
  • Online: May 10,2022
  • Published:
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