| 东宁县水稻病虫草种类及防治情况调查 |
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| 引用本文： | 杨靖韬,朱海英.东宁县水稻病虫草种类及防治情况调查[J].黑龙江农业科学,2011(9):57-59. |
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| 作者姓名： | 杨靖韬 朱海英 |
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| 作者单位： | 1. 东宁县种子管理站,黑龙江东宁,157200
2. 东宁县农业技术推广中心,黑龙江东宁,157200 |
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| 摘 要： | 随着水稻栽培技术的不断更新,水稻病虫草危害发生变化。通过对东宁县25年来水稻病虫草种类及防治情况调查,结果表明：水稻有害生物有三大类24种,主要危害有三大类12种。其中,病害种类有8种,危害较重且常发生的病害有4种;虫害种类有6种,危害较重的有2种;杂草种类有10多种,危害较严重的有6种。病虫草害由单一化学药剂防治阶段,发展至现在综合防治阶段。水稻病虫害种类在不同阶段发生一定的变化。有效防治面积在逐阶段扩大,田间有效防治率逐阶段增加。
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| 关 键 词： | 水稻 病虫草害 种类 有效防治率 |
Disease, Pest and Weed Types and Prevention and Survey in Dongning County |
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| YANG Jing-tao,ZHU Hai-ying.Disease, Pest and Weed Types and Prevention and Survey in Dongning County[J].Heilongjiang Agricultural Science,2011(9):57-59. |
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| Authors: | YANG Jing-tao ZHU Hai-ying |
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| Institution: | YANG Jing-tao1,ZHU Hai-ying2(1.Seed management Station of Dongning County,Dongning,Heilongjiang 157200,2.Agricultrual Technology Promotion Center of Dongning County,Heilongjiang 157200) |
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| Abstract: | As the rice cultivation technology constantly updated, the damages caused by pest, weed and disease were changed. The kinds of pest,weed and disease and the control situation were investigated during twentyfive years in Dongning County. The results showed that there were three classes 24 kinds of harmful organism, the main harmful organism were three classes 12 kinds,including 8 kinds of diseases with the heavier were four kinds, 6 kinds of pest with the heavier were two kinds, more than ten kinds of weeds with the heavier six kinds. The countermeasures to disease, pest and weed were from single chemical control stage to now synthetically control stage. The kinds of disease, pest and weed were different in different stage. The effective control area and control rate were increasing from stage to stage. |
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| Keywords: | rice disease pest and weed kinds effective control rate |
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