| Study on the Relationship Between the Toxin of Phytophthora infestans （Mont.） de Bary and Resistance of Potato |
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| 引用本文： | YANG Yan-li,XIAO Lang-tao,HU Xian-qi. Study on the Relationship Between the Toxin of Phytophthora infestans （Mont.） de Bary and Resistance of Potato[J]. 中国农业科学(英文版), 2011, 10(2): 238-245. DOI: 10.1016/S1671-2927(09)60310-2 |
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| 作者姓名： | YANG Yan-li XIAO Lang-tao HU Xian-qi |
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| 作者单位： | YANG Yan-li(Key Laboratory of Plant Pathaology of Yunnan Province, Yunnan Agricultural University, Kunming 650201, P.R.China;Hunan Provincial Key Laboratory of Phytohormones and Development, Hunan Agricultural University, Changsha 410128, P.R.China);XIAO Lang-tao(Hunan Provincial Key Laboratory of Phytohormones and Development, Hunan Agricultural University, Changsha 410128, P.R.China);HU Xian-qi(Key Laboratory of Plant Pathaology of Yunnan Province, Yunnan Agricultural University, Kunming 650201, P.R.China) |
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| 基金项目： | supported by the grant from the Agricultural Scientific Achievements Transform Foundation China （02EFN215300561）; the Ministry of Science and Technology of Yunnan Province China （2002NG09）; the Modern Agriculture Industrial Technology System in Yunnan Province China |
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| 摘 要： |
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| 关 键 词： | 马铃薯晚疫病菌 马铃薯品种 霉菌毒素 植物病原真菌 硫酸铵沉淀 寄主植物 液体介质 病菌感染 |
Study on the Relationship Between the Toxin of Phytophthora infestans (Mont.) de Bary and Resistance of Potato |
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| YANG Yan-li,XIAO Lang-tao,HU Xian-qi. Study on the Relationship Between the Toxin of Phytophthora infestans (Mont.) de Bary and Resistance of Potato[J]. 《Agricultural Sciences in China》, 2011, 10(2): 238-245. DOI: 10.1016/S1671-2927(09)60310-2 |
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| Authors: | YANG Yan-li XIAO Lang-tao HU Xian-qi |
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| Abstract: | Plant pathogenic fungi produce mycotoxins which may lead host plants to produce disease symptoms and may have a significant positive role in the course of disease development. The putative Phytophthora infestans toxins were prepared by culturing in liquid medium (60 g rye and 10% tomato juice L-1) for 1 mon at 17℃, filtering through four layers of cheesecloth and being precipitated by ammonium sulfate. The resulted putative toxin solutions were used to study the effects on 3 potato varieties (both leaf and tuber tissues). The results show that potato leaves and tubers exhibit symptoms similar to the late blight resulted from P. infestans infection. Potato varieties reacting differentially to both the toxin dilutions and toxins produced by different P. infestans isolates suggested the presence of toxin-mediated specificities between potato and P. infestans. Potato leaf and tuber tissues have different and contrary reactions to the toxin. Toxin-mediated specificities are likely present between potato and P. infestans. |
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| Keywords: | Phytophthora infestans toxin potato variety resistance |
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