| 白菜黑斑病菌（Alternaria brassicae）毒素钝化物的初步研究 |
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| 引用本文： | 张金林 腾忠才. 白菜黑斑病菌（Alternaria brassicae）毒素钝化物的初步研究[J]. 河北农业大学学报, 1995, 18(4): 16-20 |
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| 作者姓名： | 张金林 腾忠才 |
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| 作者单位： | 河北农业大学植保系，保定师范专科学校生物系 |
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| 摘 要： | 通过３０种化合物对白菜黑斑病菌Ａｌｔｅｒｎａｒｉａｂｒａｓｓｉｃａｅ毒素钝化作用的研究。结果表明：Ｎａ＋、碱性物质和ＫＭｎＯ４。对毒素具有很强的钝化作用，而且随着浓度的提高，钝化作用增强，钝化物在离休叶片上的防效为６３～１００％；２０００ｍｇ／Ｌ的化合物对白菜黑斑病分生孢子萌发有较强的抑制作用，但对菌丝生长没有影响。
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| 关 键 词： | 白菜黑斑病；AB－毒素；钝化物 |
Preliminary Study on Inactivators of Pathotoxin Produced by Alternaria brassicae |
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| Zhong Jinlin, Dong Jingao, Liu Wenshon,Li Chuan, Fan Muzhen. Preliminary Study on Inactivators of Pathotoxin Produced by Alternaria brassicae[J]. Journal of Agricultural University of Hebei, 1995, 18(4): 16-20 |
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| Authors: | Zhong Jinlin Dong Jingao Liu Wenshon Li Chuan Fan Muzhen |
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| Abstract: | compounds whether they could inactivated AB-toxin (a pathotoxin produced by Altenaria brassicae) have been studied. The results showed that Na+, alkali-substance and KMnO4 markely inactivation of these compounds to AB-toxin altered with their concentrations. The higher their concentrations, the stronger inactivation to AB-toxin. The control effects of these compounds against leaf black spot of chinese cabbage were 63%～100%; Conidia germination of Alternaria brassicae was inhibited by concentrations as high as 2 000mg/L but hyphae growth was not affected by them. |
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| Keywords: | Alternaria brassicae AB-toxin inactivator |
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