| 沈糯6号的籽粒产量及相关生理指标研究 |
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| 引用本文： | 鲁俊田,史振声,王晓东.沈糯6号的籽粒产量及相关生理指标研究[J].种子,2010,29(6). |
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| 作者姓名： | 鲁俊田 史振声 王晓东 |
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| 作者单位： | 沈阳农业大学特种玉米研究所,辽宁,沈阳,110161 |
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| 基金项目： | 辽宁省农业攻关计划"玉米高产、优质、专用、多抗新品种选育" |
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| 摘 要： | 以郑单958为对照,在5个密度下对沈糯6号进行籽粒产量、冠层结构和生理指标的比较研究。结果表明:在75 000株/hm2密度下沈糯6号的籽粒产量可达7 122.5 kg/hm2,与郑单958的最高产量差异不显著;相同密度下沈糯6号的生物产量、叶面积指数较低,但在较高密度下收获指数和灌浆后期最大叶面积指数持续时间大于郑单958;叶绿素含量与郑单958没有明显差异;5个密度下光合速率均高于郑单958,并受密度压力的影响明显小于郑单958;在67 500~82 500株/hm2高密度下,沈糯6号灌浆期穗位下部冠层透光率比郑单958要高,良好的通透性可能是光合速率和叶面积指数优于郑单958的主要原因。
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| 关 键 词： | 糯玉米 沈糯6号 产量 密度 生理指标 |
Studies on Grain Yield and Related Physiology Indexes of Waxy Corn Shennuo No. 6 |
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| LU Jun-tian,SHI Zhen-sheng,WANG Xiao-dong.Studies on Grain Yield and Related Physiology Indexes of Waxy Corn Shennuo No. 6[J].Seed,2010,29(6). |
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| Authors: | LU Jun-tian SHI Zhen-sheng WANG Xiao-dong |
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| Institution: | LU Jun-tian,SHI Zhen-sheng,WANG Xiao-dong(Shenyang Agricultural University,Shenyang 110161,China) |
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| Abstract: | With Zhengdan958 as control to study the grain yield,canopy structure and physiology indexes of waxy corn Shennuo No.6 under five planting densities.The results showed that the grain yield of Shennuo No.6 could reach to 7122.5kg/hm2 at 75000 plants/hm2,and had insignificant differences in contrast to the highest yield of control.The biomass and the LAI of Shennuo No.6 were lower than that of control in the same density,the harvest index was higher than that of control at the high densities,and duration of t... |
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| Keywords: | waxy corn Shennuo No 6 yield density physiology indexes |
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