| 水稻品种对褐稻虱抗性的筛选及其抗虫性的研究 |
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| 引用本文： | 张良佑,吴荣宗.水稻品种对褐稻虱抗性的筛选及其抗虫性的研究[J].植物保护学报,1992,19(2):133-137. |
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| 作者姓名： | 张良佑 吴荣宗 |
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| 作者单位： | 华南农业大学植物保护系 广州 |
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| 摘 要： | 用改良的苗期群体筛选法对4816份稻种进行了褐稻虱的抗性鉴定,筛选出1024份抗虫品种,选择其中的102个作抗虫性质的研究。结果表明,国外抗虫品种多以抗生性为主,而我国南方稻种多以耐虫性为主。由于耐虫性品种不易诱发新生物型的产生,故对褐稻虱的防治有重要的价值。
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| 关 键 词： | 水稻 拒虫性 耐虫性 褐稻虱 抗生性 |
ON THE SCREENING OF RESISTANT RICE VARIETIES TO BROWN PLANTHOPPER AND THE RESISTANCE MECHANISM |
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| Zhang Liangyou and Wu Rongzong.ON THE SCREENING OF RESISTANT RICE VARIETIES TO BROWN PLANTHOPPER AND THE RESISTANCE MECHANISM[J].Acta Phytophylacica Sinica,1992,19(2):133-137. |
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| Authors: | Zhang Liangyou and Wu Rongzong |
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| Institution: | Department of Plant Protection, South China Agricultural University, Guangzhou and Department of Plant Protection, South China Agricultural University, Guangzhou |
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| Abstract: | Identifications for the resistance of 4816 rice varieties to brownplanthopper Nilaparvata lugens Stl were carried out by an improvedseedling bulk screening method.102 of the 1024 resistant varieties se-lected were adopted for resistance mechanism study.The results showedthat most of the exotic resistant varieties belong to antibiosis,whilemost of the resistant indigenes belong to tolerance.The latter resist-ance is important to brown planthopper control owing to that it is noteasy to induce the appearance of new biotypes on tolerant varieties. |
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| Keywords: | Nilaparvata lugens antibiosis resistance tolerance |
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