Relationship Between Water Character and Yield Component under Different Distribution Patterns of Winter Wheat Population

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Relationship Between Water Character and Yield Component under Different Distribution Patterns of Winter Wheat Population

更新时间：2024-11-07

- Relationship Between Water Character and Yield Component under Different Distribution Patterns of Winter Wheat Population
- Issue 1, Pages: 119-122(2007)
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- Published：2007
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Relationship Between Water Character and Yield Component under Different Distribution Patterns of Winter Wheat Population[J]. 2007, (1): 119-122.
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Relationship Between Water Character and Yield Component under Different Distribution Patterns of Winter Wheat Population[J]. 2007, (1): 119-122. DOI：

摘要

2005年10月-2006年6月对冬小麦种群5种不同分布方式

即行距分别为7 cm（A）

14 cm（B）

24.5 cm（C）

（20＋40）cm（D）

49 cm（E）进行研究

结果表明

随生育进程的推进

叶片水势和渗透势逐渐下降

至5月29日E处理与其他处理间达到极显著差异（F=40.791^＊＊和F=9.522^＊＊）

不同处理的叶片水势日变化呈现明显的“V”型特征

E处理波动幅度最大

14：00的最低值比18：00的最高值低1.09 M Pa;E处理RW C低于其他处理;产量表现为：B〉A〉D〉C〉E

其中

B处理与A处理间差异不显著

但显著高于其他处理（P〈0.05）

E处理极显著低于其他处理（P〈0.01）;不同处理间随行距加大

分蘖数量和单株小穗数有降低趋势

分析结果表明

产量与分蘖数量、小穗数呈正相关

与千粒重呈负相关。

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Related Author

ZHOU Xun-bo

SUN Shu-juan

CHEN Yu-hai

LI Quan-qi

YANG Guo-min

YI Zhenxie

SU Yuting

GU Zihan

Related Institution

South Regional Collaborative Innovation Center for Grain and Oil Crops in China, College of Agronomy, Hunan Agricultural University

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