| 追氮时期对冬小麦百农矮抗58花后旗叶衰老特性的影响 |
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| 引用本文： | 杨文平,郜庆炉,茹振钢,左红娟,杨亚松.追氮时期对冬小麦百农矮抗58花后旗叶衰老特性的影响[J].河南农业科学,2010(6). |
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| 作者姓名： | 杨文平 郜庆炉 茹振钢 左红娟 杨亚松 |
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| 作者单位： | 1. 河南科技学院,农学系,河南,新乡,453003
2. 周口市种子技术服务站,河南,周口,466001 |
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| 基金项目： | 河南省重大科技专项，河南科技学院高学历人才基金 |
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| 摘 要： | 在大田高产栽培条件下,研究了不同追氮时期对冬小麦百农矮抗58开花后旗叶衰老相关生理指标的影响。结果表明,起身期与拔节期追施氮肥可明显提高光合速率,抑制叶绿素的降解,并使植株体内超氧化物歧化酶(SOD)保持较高活性,丙二醛(MDA)含量下降。
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| 关 键 词： | 追氮时期 冬小麦 旗叶 衰老 |
Effect of Nitrogen Applying Stages on Senescence Characteristics of Flag Leaves in Winter Wheat Bainongaikang 58 after Anthesis |
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| YANG Wen-ping,GAO Qing-lu,RU Zhen-gang,ZUO Hong-juan,YANG Ya-song.Effect of Nitrogen Applying Stages on Senescence Characteristics of Flag Leaves in Winter Wheat Bainongaikang 58 after Anthesis[J].Journal of Henan Agricultural Sciences,2010(6). |
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| Authors: | YANG Wen-ping GAO Qing-lu RU Zhen-gang ZUO Hong-juan YANG Ya-song |
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| Abstract: | Under the high-yield planting condition,the effects of nitrogen applying stages on the physiological indices related to senescence of flag leaves in winter wheat Bainongaikang 58 were studied.The results showed that the nitrogen topdressing in erecting stage or jointing stage could significantly increase the photosynthetic rate,inhibit the degradation of chlorophyll,maintain the higher activity of superoxide dismutase(SOD),and reduce the malondialdehyde(MDA) content. |
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| Keywords: | Nitrogen applying stage Winter wheat Flag leaf Senescence |
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