不同施肥模式下春玉米生育后期冠层结构及光合特性的研究
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S513.01

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国家科技支撑计划(2011BAD16B13);内蒙古自治区高等学校科学研究项目(NJZC13185);内蒙古民族大学科学研究基金资助项目(NMD1217);内蒙古民族大学科研创新团队支持计划(NMD1003)


Studies on Canopy Structure and Photosynthetic Characteristics of Spring Maize at Late-Growth Stage under Different Fertilization Patterns
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    摘要:

    以郑单958为供试品种,研究了不同施肥模式对春玉米生育后期冠层结构及光合特性的影响。结果表明:不同施肥模式春玉米穗位、茎粗、茎基第二节节长和各叶位叶绿素含量均为高量施肥模式大于减量施肥模式。减量施肥模式棒三叶上和棒三叶叶倾角均高于高量施肥模式,而棒三叶下叶倾角反之。叶向值则表现为棒三叶和棒三叶上高量施肥模式均大于减量施肥模式,而棒三叶下叶向值与其相反。吐丝期和乳熟期春玉米净光合速率均表现为高量施肥模式高于减量施肥模式。

    Abstract:

    Using ‘Zhengdan 958’ as material, the canopy structure and photosynthetic characteristics of spring maize at late-growth stage under different fertilization patterns were studied in the paper. The results showed that in different fertilization pattern spring maize ear, stem diameter, the second internodes length and chlorophyll content of each leaf were higher in high fertilization mode than reduced fertilizer pattern. In reduced fertilizer pattern leaf angle of ear leaves and above leaves was bigger than that of high fertilization mode, while leaf angle of under ear leaves is opposite. Leaf orientation value of the above ear leaves and three ear leaves of high fertilization mode was greater than that of reduced fertilization mode, while leaf orientation value under three ear leaves is opposite. Corn net photosynthetic rate of high fertilization mode in silking stage and milk stage was higher than reduced fertilization pattern.

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田立双,毕文波,杨恒山,张瑞富,刘畅.不同施肥模式下春玉米生育后期冠层结构及光合特性的研究[J].东北农业科学,2014,39(5):43-47.

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  • 收稿日期:2014-03-26
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  • 在线发布日期: 2024-12-06
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