| 钾肥对砂姜黑土不同粒型冬小麦穗粒发育及生理特性的影响 |
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| 引用本文： | 马新明,王小纯,丁军.钾肥对砂姜黑土不同粒型冬小麦穗粒发育及生理特性的影响[J].中国农业科学,2000,33(3):67-72. |
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| 作者姓名： | 马新明 王小纯 丁军 |
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| 作者单位： | 河南农业大学农学院,郑州,450002 |
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| 基金项目： | 国家“九五”科技攻关，河南省教委重点资助 |
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| 摘 要： | 采用盆栽和大田试验的方法 ,研究了钾肥对不同粒型冬小麦穗粒发育和生理特性的影响。结果表明 ,在砂姜黑土区 ,施钾肥能促进各粒型冬小麦的幼穗发育 ,增加穗粒数 ,提高 SOD酶活性、自由水含量和茎秆充实度 ,同时能有效地降低 MDA和叶片束缚水含量 ,延缓衰老 ,促进可溶性糖的转化与淀粉的积累。其中 ,施钾对小粒型品种温 2 540的影响最大。
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| 关 键 词： | 施肥 粒型 冬小麦 砂姜黑土 生理特性 |
Effects of Potassium on Spike and Grain Development and Physiological Characteristics for Different Grain Type of Winter Wheat in Shajiang Black Soil |
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| Ma Xinming,Wang Xiaochun,Ding Jun.Effects of Potassium on Spike and Grain Development and Physiological Characteristics for Different Grain Type of Winter Wheat in Shajiang Black Soil[J].Scientia Agricultura Sinica,2000,33(3):67-72. |
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| Authors: | Ma Xinming Wang Xiaochun Ding Jun |
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| Abstract: | By plot and field experiment, the effects of potassium on spike and grain development and physiological properties of different grain type of winter wheat in Shajiang Black Soil were studied. The results showed that potassium could promote development of spikelet, increase the number of kernel per spike ,raise SOD activity, functional water content and stem weight per centimeter. Otherwise, it could decrease MDA and bound water content, postpone senescence of wheat leaves. In the three types of wheat grain, potassium had the largest effect on small grain type wen2540. |
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| Keywords: | Fertilizering Grain type Winter wheat Shajiang Black Soil Physiological properties |
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