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当前位置: 首页 > 文章 > β-氨基丁酸诱导甜（辣）椒抗疫病作用的研究 园艺学报 2002,29 (2) 137-140
Position: Home > Articles > Induction of Resistance to Phytophthora capsici in Pepper Plants by DL-β-amino-n-butyric acid Acta Horticulturae Sinica 2002,29 (2) 137-140

β-氨基丁酸诱导甜（辣）椒抗疫病作用的研究

作  者：
谢丙炎;李惠霞;冯兰香
单  位：
中国农业科学院蔬菜花卉研究所
关键词：
辣椒;辣椒疫病;β-氨基丁酸;诱导抗性
摘  要：
报道了用β-氨基丁酸(DL-β-amino-n-butyric acid, BABA)喷雾处理辣椒叶片和茎后的诱导抗疫病作用。研究证明，高浓度BABA(1000 μg/mL)对离体辣椒疫霉病菌无抗菌活性，用其喷雾处理辣椒的茎叶所诱导的抗疫病作用可完全控制其危害；用BABA诱导处理后3d接种辣椒疫霉病菌，辣椒植株开始表达出较高的诱导抗性，这种抗病作用可持续20 以上，并表现出与数量抗病性相似的特性。
译  名：
Induction of Resistance to Phytophthora capsici in Pepper Plants by DL-β-amino-n-butyric acid
作  者：
谢丙炎(1);;李惠霞(1);;冯兰香(1)
单  位：
(1)中国农业科学院蔬菜花卉研究所, 北京, 100081
摘  要：
DL-p-amino-n-butyric acid (BABA) that was applied as a foliar spray to pepper plants induced re-sistance to a challenge infection with Phytophthora capsici . A relatively high concentration of BABA at 1 000μg/ mL, which had no antifungal activity in vitro against P. capsici, was required to induce resistance against Phy-tophthora blight with a foliar and stem spray , thus leading to complete control of the disease . About 3 days interval between BABA-treatment and challenge inoculation was sufficient to induce resistance in pepper plants , and the in-duced resistance could be retained more than 20 days after BABA-treatment . High inoculum levels of P . capsici caused Phytophthora development slowly in pepper foliar treated with BABA , especially at early plant growth stage , which suggests that the induced resistance in pepper plants may be more quantitative rather than qualitative .

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