Relationship Between Lodging Resistance and Chemical Contents in Culms and Sheaths of Japonica Rice During Grain Filling |
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| Authors: | ZHANG Feng-zhuan JIN Zheng-xun MA Guo-hui SHANG Wen-nan LIU Hai-ying XU Mei-lan LIU Yan |
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| Affiliation: | ZHANG Feng-zhuan 1,JIN Zheng-xun 1,MA Guo-hui 2,SHANG Wen-nan 1,LIU Hai-ying 1,3,XU Mei-lan 1,LIU Yan 1(1 Agricultural College,Northeast Agricultural University,Harbin 150030,China,2 China National Hybrid Rice R&D Center,Changsha 410125,3 Jilin Province Ping'an Seeds Company,Changchun 133000,China) |
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| Abstract: | To understand the relationship between lodging resistance and chemical component contents in culms and leaf sheaths of rice,the physical strength and maximum bearing capacity of culm,and the contents and amounts of potassium(K),silicon(Si)and soluble sugars in culms and leaf sheaths were investigated using four japonica rice varieties with different lodging resistance characteristics during grain filling.There were significant differences in the total amounts of K,Si and soluble sugars in culms and leaf she... |
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| Keywords: | japonica rice grain filling lodging resistance chemical component content dynamic change |
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