| 大豆灰斑病叶部病斑严重度的分级标准 |
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| 引用本文： | 刘学敏 李长友. 大豆灰斑病叶部病斑严重度的分级标准[J]. 大豆科学, 1991, 10(4): 330-334 |
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| 作者姓名： | 刘学敏 李长友 |
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| 作者单位： | 东北农学院(刘学敏，李长友)，东北农学院(张明厚) |
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| 摘 要： | 根据单个叶片病斑面积总和与整个叶片面积的比值,以及自然侵染的最高病斑/叶面积比,将大豆灰斑病叶部病害的严重度划分为0～6七个级别,并制出各级别标准图片和绘出模式图。
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| 关 键 词： | 大豆 灰斑病 病叶 分级标准 |
THE GRADING STANDARD OF DISEASE SEVERITY ON LEAFSPOT OF FROGEYE LEAF SPOT OF SOYBEAN |
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| Liu Xuemin Li Chang you Zhang Minghou. THE GRADING STANDARD OF DISEASE SEVERITY ON LEAFSPOT OF FROGEYE LEAF SPOT OF SOYBEAN[J]. Soybean Science, 1991, 10(4): 330-334 |
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| Authors: | Liu Xuemin Li Chang you Zhang Minghou |
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| Abstract: | According to the proportion of the total lesion area to leaf area and the mixmum proportion occurred in naturally infected leaves, severity of the leafspot of frogeye leaf spot disease is graded into 7 classes 0 to 6, and the standard diagram was also provided. |
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| Keywords: | Frogeye leaf spot of Soybean Grading standard |
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