Systematic Field Collection and Identification and Evaluation of Rice Germplasm Resources in Guangdong Province
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Affiliation:

1.Rice Research Institute,Guangdong Academy of Agricultural Sciences/Guangdong Key Laboratory of New Technology in Rice Breeding/Guangdong Rice Engineering Laboratory;2.Guangdong Key Laboratory for Crop Germplasm Resources Preservation and Utilization/Agro-biological Gene Research Center,Guangdong Academy of Agricultural Sciences

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Fund Project:

The Third National General Survey and Collection Action of Crop Germplasm Resources(111821301354052029),Special Fund for Science and Technology Strategy(Construction of High-level Agricultural Academy)(R2018YJ-YB2002),Natural Science Foundation of Guangdong Province(2020A1515010189),National Natural Science Foundation of China(31901489), Project of Guangdong Key Laboratory(202001212060047)

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    Abstract:

    From 2016 to 2018,the project team of Guangdong province of the Third National General Survey and Collection Action of Crop Germplasm Resources conducted a systematic investigation and collection of rice germplasm resources from 59 counties(cities and districts)in the province. A total of 269 rice landraces were collected and 261 of them were identified and evaluated. The rice landraces were collected from almost throughout Guangdong province,with the exception of four prefecture-level cities around the Pearl River Delta: Shenzhen,Dongguan,Zhongshan and Zhuhai,where no rice germplasm resources were found. The agronomic traits of the collected rice resources were identified. The results indicated that the collected rice landraces were mainly indica rice,and 23 rice germplasm resources(Zhongshan 12、Baoxuan 2、Yinhuxiangzhan,etc)resistant to bacterial blight and blast were evaluated. Finally,4 rice germplasm resources with salt and drought tolerance, high amylose and aroma:Hai Dao 86,Di He Nian,Lanxi Xuan and Sanrao Xiangmi,were selected based on the overall phenotypic traits,which had high utilization value for improving rice breeding for high yield,high quality and wide adaptability in the future.

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History
  • Received:September 07,2021
  • Revised:October 23,2021
  • Adopted:November 02,2021
  • Online: March 09,2022
  • Published:
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