| 稻曲在稻穗上的分布特点研究 |
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| 引用本文： | 张晋,颜群,高利军,韦鸿若,高汉亮.稻曲在稻穗上的分布特点研究[J].广西农业科学,2010,41(11):1184-1186. |
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| 作者姓名： | 张晋 颜群 高利军 韦鸿若 高汉亮 |
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| 作者单位： | [1]广西农业科学院植物保护研究所,南宁530007 [2]广西区种子公司,南宁530022 |
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| 基金项目： | 广西农业科学院科技发展基金 |
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| 摘 要： | 为研究稻曲在稻穗及稻穗小枝梗上的分布特点,对2010年早稻稻曲病发病稻田收集的180份病穗进行统计分析。结果显示,在180份样本中共有稻曲630粒,其中258粒分布在稻穗下部,占40.95%,中部306粒,占48.57%,上部66粒,占10.48%,稻曲主要分布在稻穗中、下部;稻曲在稻穗上的分布特点是随着病害加重,分布于稻穗下部的稻曲所占比例逐渐减少,中部稻曲所占比例逐渐增多,而上部稻曲所占比例在各个病级稻穗上变化不大,稻曲在小枝梗上的分布无明显规律性。
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| 关 键 词： | 水稻 稻曲病 稻曲 稻穗 分布特点 |
The distribution patterns of rice false smut on rice panicle |
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| ZHANG Jin,YAN Qun,GAO Li-Jun,WEI Hong-Ruo,GAO Han-liang.The distribution patterns of rice false smut on rice panicle[J].Guangxi Agricultural Sciences,2010,41(11):1184-1186. |
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| Authors: | ZHANG Jin YAN Qun GAO Li-Jun WEI Hong-Ruo GAO Han-liang |
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| Institution: | 1 Plant Protection Institute,Guangxi Academy of Agricultural Sciences,Nanning,Guangxi 530007,China;2 Guangxi Seeds Company,Nanning,Guangxi 530007,China) |
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| Abstract: | The present experiment has been conducted to study the distribution patterns of rice false smut in the pedicel of rice panicle.Total 180 diseased panicles collected from early rice plantations damaged by rice false smut in 2010 were analysed.The results showed 630 diseased grains in 180 samples,of which,258 were distributed at the bottom of the rice panicle,which occupied 40.95% area,306 diseased grains were found in the middle,which occupied 48.57% area,and 66 diseased grains were found on the top,occupying 10.48% area.The data revealed that rice false smut was mainly distributed in the middle and lower parts of the panicle.And with the aggravation of disease,the proportion of rice false smut at the bottom of panicle gradually decreased,while in the middle it gradually increased,and did not changed significantly at the top.The distribution of rice false smut in pedicel showed no apparent trend. |
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| Keywords: | rice rice false smut rice green smut rice panicle distribution pattern |
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