穗期高温对玉米子粒灌浆生理及产量的影响
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付景,孙宁宁,刘天学,马俊峰,杨豫龙,赵霞,穆心愿,李潮海
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The Effects of High Temperature at Spike Stage on Grain-Filling Physiology and Yield of Maize
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Jing Fu,Ningning Sun,Tianxue Liu,Junfeng Ma,Yulong Yang,Xia Zhao,Xinyuan Mu,Chaohai Li
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表1 高温胁迫对玉米产量及相关性状的影响
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Table 1 Effects of high temperature stress on grain yield and yield components of maize
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品种
Variety | 处理
Treatment | 穗粗(cm)
Ear
diameter | 穗长(cm)
Ear length | 秃尖长(cm)
Bare
tip length | 穗行数
Number of
ear rows | 行粒数
Number of
row grains | 穗粒数
Kernels
per ear | 百粒重(g)
100-kernel
weight | 产量
(t/hm2)
Yield | | 郑单958 Zhengdan 958 | CK | 5.10a | 19.16a | 0.12c | 15.61a | 36.24a | 564.75a | 34.98b | 11.85b | | T | 4.99a | 18.64a | 0.20c | 15.17a | 35.47b | 534.56b | 32.84c | 10.53c | | 先玉335 Xianyu 335 | CK | 4.93a | 18.61a | 1.06b | 15.70a | 34.23c | 536.92b | 38.61a | 12.44a | | T | 4.35b | 16.58b | 2.56a | 14.22b | 31.91d | 453.07c | 34.15b | 9.28d |
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