Germplasm improvement for preharvest sprouting resistance in Chinese white-grained wheat: An overview of the current strategy |
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| Authors: | Shi-He Xiao Xiu-Ying Zhang Chang-Sheng Yan Hai Lin |
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| Institution: | (1) Key Laboratory of Crop Genetics and Breeding, Ministry of Agriculture, Institute of Crop Breeding and Cultivation, Chinese Academy of Agricultural Sciences, 12 Zhongguancun South Street, Beijing, 100081, P.R. China |
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| Abstract: | Most modern white-grained wheat (Triticum aestivum L.) cultivars in China lack sprouting resistance. Some white grain varieties showed lower preharvest sprouting percentage
in different years. Tolerance to sprouting in most cultivars comes from the varieties, Wanxian White, Fulingxuxu White, Suiningtuotuo,
and Yongchuan White. The α-amylase inhibitor gene under a wheat genetic background inhibited α-amylase activity and delayed
sprouting. The falling number of six suspected sources, out of 835Chinese leading varieties since 1950', was independent of
late maturityα-amylase.
This revised version was published online in August 2006 with corrections to the Cover Date. |
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| Keywords: | α -amylase preharvest sprouting wheat |
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