| 一种基于回归模型的玉米子粒含水量快速测定方法的建立及应用 |
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| 引用本文： | 郭华,王静,杨美丽,王志红,王帮太.一种基于回归模型的玉米子粒含水量快速测定方法的建立及应用[J].玉米科学,2018,26(3):63-68. |
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| 作者姓名： | 郭华 王静 杨美丽 王志红 王帮太 |
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| 作者单位： | 鹤壁市农业科学院;河南省玉米良种培育工程技术研究中心 |
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| 基金项目： | 河南省科技攻关计划项目“玉米子粒标记应用研究”（142102110010）、河南省科技攻关（国际合作）项目“玉米种质材料综合农艺性状联合分析及利用”（172102410048）、河南省科技攻关项目“玉米多穗性状SSR功能标记开发及应用”（162102110142） |
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| 摘 要： | 以浚单20、郑单958、桥玉8号、德美亚3号、农华101共5个不同熟期的玉米单交种为材料,利用探针式水分测定仪测量子粒+苞叶、子粒的水分含量,采用传统的烘干法对子粒、穗轴、苞叶的含水量进行测定,将二者的结果进行比较、回归分析,建立计算玉米子粒真实水分读数的数学模型:y=95.709-2.29x+0.02x2(R2=0.774),优化利用探针式水分测定仪进行子粒含水量测定的方法。早熟品种德美亚3号虽然脱水速率无明显优势,但后期站秆、脱水时间长,收获时含水量明显较低。
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| 关 键 词： | 玉米 水分测定仪 脱水速率 回归分析 |
| 收稿时间： | 2017/9/19 0:00:00 |
Building and Utilization of One Quick Water-content Measuring Method in Kernel of Maize Based on Regression Model |
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| GUO Hu,WANG Jing,YANG Mei-li,WANG Zhi-hong and WANG Bang-tai.Building and Utilization of One Quick Water-content Measuring Method in Kernel of Maize Based on Regression Model[J].Journal of Maize Sciences,2018,26(3):63-68. |
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| Authors: | GUO Hu WANG Jing YANG Mei-li WANG Zhi-hong and WANG Bang-tai |
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| Institution: | Hebi Academy of Agricultural Sciences, Hebi 458031;Henan Maize Breeding Engineering Technology Research Center, Hebi 458031, China,Hebi Academy of Agricultural Sciences, Hebi 458031;Henan Maize Breeding Engineering Technology Research Center, Hebi 458031, China,Hebi Academy of Agricultural Sciences, Hebi 458031,Hebi Academy of Agricultural Sciences, Hebi 458031;Henan Maize Breeding Engineering Technology Research Center, Hebi 458031, China and Hebi Academy of Agricultural Sciences, Hebi 458031;Henan Maize Breeding Engineering Technology Research Center, Hebi 458031, China |
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| Abstract: | Five hybrids with different maturity periods were used to measure the moisture reading of husk + kernel, kernel by hand-held moisture meter. By comparing the data of moisture content which was measured by oven method with the moisture readings, therefor established a standard curve to predict the true moisture content of the kernel, and optimized the method of measuring the kernel moisture by hand-held moisture meter. Though there was no significant advantage in dehydration rate, the early-maturing variety Demeiya No.3 had low water content in the harvest stage, mainly because of the long stalk-standing and dehydration period. |
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| Keywords: | Maize Moisture meter Dry down rate Regression analysis |
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