Identification of foxtail millet drought resistance resource by extreme drought in whole growth period

doi:10.13430/j.cnki.jpgr.20180206002

Home > Archive>Volume 19, Issue 4, 2018 >633-641. DOI:10.13430/j.cnki.jpgr.20180206002

Identification of foxtail millet drought resistance resource by extreme drought in whole growth period
DOI:
                        10.13430/j.cnki.jpgr.20180206002
                    
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Affiliation:Beijing Agro-Biotechnology Research Center,Beijing Academy of Agriculture and Forestry,Beijing Agro-Biotechnology Research Center,Beijing Academy of Agriculture and Forestry,Institute of Millet Crops,Hebei Academy of Agricultural and Forestry Sciences,Zhangjiakou Academy of Agricultural Sciences,Beijing Agro-Biotechnology Research Center,Beijing Academy of Agriculture and Forestry,Institute of Millet Crops,Hebei Academy of Agricultural and Forestry Sciences,Zhangjiakou Academy of Agricultural Sciences,Zhangjiakou Academy of Agricultural Sciences,Beijing Agro-Biotechnology Research Center,Beijing Academy of Agriculture and Forestry,Zhangjiakou Academy of Agricultural Sciences,Beijing Agro-Biotechnology Research Center,Beijing Academy of Agriculture and Forestry,College of Life Science and Technology,Inner Mongolia Normal University,Institute of Millet Crops,Hebei Academy of Agricultural and Forestry Sciences,Beijing Agro-Biotechnology Research Center,Beijing Academy of Agriculture and Forestry
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Abstract:

Identification and screening of drought resistant germplasm resources are the basis of drought resistant breeding. In this experiment, the 68 germplasm resources of foxtail millet was screened by the method of extreme drought in the whole growth period, and the fuzzy subordinate function method was used to evaluate the drought resistance. The results revealed that under the extreme drought treatment period, the highdrought resistant materials were more vigorous than the non-drought resistant materials at seedling stage, and some of the non-resistant materials appeared "stuck neck drought" phenomenon. The influence of drought stress on panicle length was greater than that of plant height. The results showed that "Jigu 37, Tezao 1, Zhangza 10, Zhangza 11, Zhangza 12" reached the high resistance level, 15 varieties reached the level of medium resistance, 13 materials were weak resistance, and 35 materials were non-resistant.

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Received:February 06,2018
Revised:April 11,2018
Adopted:March 28,2018
Online: July 16,2018
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