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中国农学通报

中国农学通报 ›› 2009, Vol. 25 ›› Issue (17): 102-104.

所属专题： 玉米

• 农学 农业基础科学 • 上一篇    下一篇

玉米叶片保绿度开花后衰减特性与产量性状相关性初步研究

赵延明 张海艳   

  • 收稿日期:2009-03-03 修回日期:2009-04-16 出版日期:2009-09-05 发布日期:2009-09-05

The primary studies on relationship between reducing characteristics of leaf stay-green after flowering and yield traits in maize

Zhao Yanming, Zhang Haiyan   

  • Received:2009-03-03 Revised:2009-04-16 Online:2009-09-05 Published:2009-09-05

PDF (PC)

543

摘要：

摘要：采用Excel工作表及Origin7.0、DPS统计分析软件对不同基因型玉米开花后叶片保绿度衰减特性与产量性状相关性进行了初步研究，结果表明：叶片保绿度最大衰减速率出现时间、最大衰减速率对产量性状影响大于叶片保绿度衰减启动时间对产量性状影响，最大衰减速率出现时间越晚、最大衰减速率越低，越有利于获得较高的单穗粒重、百粒重、穗粒数、容重、出籽率。

关键词: 玉米秸秆腐解液, 玉米秸秆腐解液, 小麦根病, 化感作用

Abstract:

Abstract: Excel worksheet and Origin 7.0 and DPS statistical analysis software were applied to analyze the relationship between attenuation characteristics of leaf stay-green after flowering and yield traits in maize. The results indicated that the effects of the maximum reducing rate of leaf stay-green(Vmax) 、the time of the maximum reducing rate(TVmax) on yield traits were more effective than that of the day that plant began to senescence（Ts）. The later TVmax occurred, the lower Vmax showed. The higher single ear weight, 100 kernel weight, ear kernel number, Kernel Density and kernel rate were obtained easily.