| 河南省夏玉米不同品种脱水速率研究 |
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| 引用本文： | 赵霞,司雪琴,蔺锋,房志勇,刘京宝,黄璐,夏来坤. 河南省夏玉米不同品种脱水速率研究[J]. 江西农业学报, 2010, 22(3): 32-33,36 |
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| 作者姓名： | 赵霞 司雪琴 蔺锋 房志勇 刘京宝 黄璐 夏来坤 |
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| 作者单位： | 1. 河南省农业科学院,河南,郑州,450002
2. 河南省西平县农业局,河南,西平,462100 |
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| 基金项目： | 河南省重大科技专项“超高产玉米新品种选育”(0620010200) |
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| 摘 要： | 分析了2007~2009年河南省审定的8个玉米杂交种生理成熟前后籽粒在田间自然条件下脱水干燥的速率,结果以豫单2670最快,达1.09%/d,郑单2201最慢,为0.50%/d。但不同品种黑色层出现前后脱水速率有差异。黑色层出现前,洛玉8号最快,达2.56%/d;郑单988最小,为0.50%/d。黑色层出现后,郑单528最大,为0.68%/d;而新单26最小,只有0.20%/d。黑色层出现前品种间的脱水速率差异比黑色层出现后的大。
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| 关 键 词： | 夏玉米 籽粒含水量 脱水速率 |
Studies on Kernel Dehydration Rate of Summer Maize Hybrids in Henan Province |
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| ZHAO Xia,SI Xue-qin,LIN Feng,FANG Zhi-yong,LIU Jing-bao,HUANG Lu,XIA Lai-kun. Studies on Kernel Dehydration Rate of Summer Maize Hybrids in Henan Province[J]. Acta Agriculturae Jiangxi, 2010, 22(3): 32-33,36 |
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| Authors: | ZHAO Xia SI Xue-qin LIN Feng FANG Zhi-yong LIU Jing-bao HUANG Lu XIA Lai-kun |
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| Affiliation: | 1.Henan Academy of Agricultural Sciences/a>;Zhengzhou 450002/a>;China/a>;2.Agricultural Bureau of Xiping County in Henan Province/a>;Xiping 462100/a>;China |
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| Abstract: | The natural kernel dehydration rate of 8 summer maize hybrids in Henan province in field before and after physiological maturity stage was analyzed.Yudan 2670 showed the fastest dry rate(1.09%/d),while Zhengdan 2201 had the lowest dehydration rate,being 0.50%/d.There were differences in natural kernel dehydration rate among the tested cultivars before and after the appearance of grain black layer.Luoyu 8 showed the fastest dry rate(2.56%/d),but Zhengdan 988 did the lowest(0.50%/d) before the appearance of g... |
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| Keywords: | Summer maize Kernel moisture content Dehydration rate |
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