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The Environmental Study of Response to Phenology of 15 Kinds of Hybrid Maize Varieties during Reproductive Growth Stage to Extreme Drought and Rewatering

文献类型： 外文期刊

作者： Chen, Hua 1 ; Chen, Jianfeng 1 ; Yin, Mei 1 ; Fu, Libo 1 ; Li, Zaifeng 2 ; Su, Fan 1 ; Hong, Lifang 1 ; Mou, Chengxiang 3 ;

作者机构： 1.Yunnan Acad Agr Sci, Inst Agr Environm & Resources, Kunming 650205, Yunnan, Peoples R China

2.Nanjian Agr Technol Extens Ctr, Dali 675700, Peoples R China

3.Chinese Acad Sci, Chengdu Inst Biol, Chengdu 610041, Sichuan, Peoples R China

关键词： extreme weather; resistance; restore; phenology; maize

期刊名称：EKOLOJI （ 影响因子：0.053； 五年影响因子：0.579 ）

ISSN： 1300-1361

年卷期： 2018 年 27 卷 106 期

页码：

收录情况： SCI

摘要： When studying drought response, differentiation is needed between terminal or intermittent drought and its interaction with environmental condition. The increase of extreme climatic events such as drought is one of the most important characteristics of global climate change. The study on the effect of farmland ecosystem is great significant in predicting agricultural production. The effects of extreme drought and rewatering on three phenological phases are including heading stage, silking stage and physiological maturity stage, growth height and maturity biomass of 15 different maize varieties were studied through simulated experiments. Extreme drought treatments are applied to vegetative growth stages of maize growth, and rehydration treatments are applied during reproductive growth stages. The results showed that the heading date of 15 maize cultivars was the most sensitive to water change, followed by the silking stage and the weakest in physiological maturity. The phenotypic responses of different maize varieties vary in response to water changes. The impact of water-for-water treatment on crop height is more pronounced than on crop biomass.

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