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茉莉酸甲酯诱导红小豆对红叶螨的抗性

引用本文：纪佳怡,赵航,姚明亿,邱洋洋,高玉刚,金永玲.茉莉酸甲酯诱导红小豆对红叶螨的抗性.植物保护学报,2026,53(1):235-242

DOI：10.13802/j.cnki.zwbhxb.2026.2025090

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作者	单位	E-mail
纪佳怡	黑龙江八一农垦大学, 黑龙江省作物-有害生物互作生物学及生态防控重点实验室, 国家杂粮工程技术研究中心, 大庆 163319
赵航	黑龙江八一农垦大学, 黑龙江省作物-有害生物互作生物学及生态防控重点实验室, 国家杂粮工程技术研究中心, 大庆 163319
姚明亿	黑龙江八一农垦大学, 黑龙江省作物-有害生物互作生物学及生态防控重点实验室, 国家杂粮工程技术研究中心, 大庆 163319
邱洋洋	黑龙江八一农垦大学, 黑龙江省作物-有害生物互作生物学及生态防控重点实验室, 国家杂粮工程技术研究中心, 大庆 163319
高玉刚	黑龙江八一农垦大学, 黑龙江省作物-有害生物互作生物学及生态防控重点实验室, 国家杂粮工程技术研究中心, 大庆 163319
金永玲	黑龙江八一农垦大学, 黑龙江省作物-有害生物互作生物学及生态防控重点实验室, 国家杂粮工程技术研究中心, 大庆 163319 农业农村部东北平原农业绿色低碳重点实验室, 黑龙江大庆 163319	gygjyl08@163.com

中文摘要:为探究茉莉酸甲酯对红小豆抗螨性的诱导作用，以实验室前期筛选的红小豆感螨品种天津红和抗螨品种珍珠红为试验材料，测定红叶螨Tetranychus pueraricola取食对红小豆叶片内茉莉酸含量的诱导效应及喷施外源茉莉酸甲酯后红叶螨的产卵量、取食量和种群数量，并于田间测定茉莉酸甲酯对红叶螨的防效。结果显示：红叶螨取食可以诱导红小豆叶片内茉莉酸含量增加，最多较对照可增加66.09%。喷施茉莉酸甲酯后红小豆抗螨品种上红叶螨的产卵量比感螨品种上的低，但红小豆感螨品种上红叶螨的产卵量受茉莉酸甲酯诱导影响较大，仅在喷施茉莉酸甲酯1 d后产卵量就较对照显著降低。室内喷施茉莉酸甲酯后，红叶螨对红小豆的取食面积均较对照显著下降，红小豆感螨品种和抗螨品种上红叶螨成螨数量均受到了不同程度的抑制。田间喷施茉莉酸甲酯后，红小豆上红叶螨发生期延后。茉莉酸甲酯处理和茉莉酸甲酯+助剂处理10~20 d后，红小豆上红叶螨种群数量均显著低于对照，处理 15 d 和 20 d 后，茉莉酸甲酯对红叶螨的防效分别为 92.91% 和84.50%，茉莉酸甲酯+助剂对红叶螨的防效分别为98.08%和97.88%，均显著高于茉莉酸甲酯单独施用。表明茉莉酸甲酯影响红叶螨的产卵、取食和繁殖行为，可作为一种有效的田间预防性措施来防控红叶螨。

中文关键词:红小豆红叶螨茉莉酸甲酯诱导防御取食产卵种群数量防效

Methyl jasmonate-induced resistance of adzuki bean to spider mite Tetranychus pueraricola

Author Name	Affiliation	E-mail
Ji Jiayi	National Engineering Research Center for Coarse Cereals, Heilongjiang Provincial Key Laboratory of Crop-Pest Interaction Biology and Ecological Control, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Province, China
Zhao Hang	National Engineering Research Center for Coarse Cereals, Heilongjiang Provincial Key Laboratory of Crop-Pest Interaction Biology and Ecological Control, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Province, China
Yao Mingyi	National Engineering Research Center for Coarse Cereals, Heilongjiang Provincial Key Laboratory of Crop-Pest Interaction Biology and Ecological Control, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Province, China
Qiu Yangyang	National Engineering Research Center for Coarse Cereals, Heilongjiang Provincial Key Laboratory of Crop-Pest Interaction Biology and Ecological Control, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Province, China
Gao Yugang	National Engineering Research Center for Coarse Cereals, Heilongjiang Provincial Key Laboratory of Crop-Pest Interaction Biology and Ecological Control, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Province, China
Jin Yongling	National Engineering Research Center for Coarse Cereals, Heilongjiang Provincial Key Laboratory of Crop-Pest Interaction Biology and Ecological Control, Heilongjiang Bayi Agricultural University, Daqing 163319, Heilongjiang Province, China Key Laboratory of Green and Low-Carbon Agriculture in Northeast Plain, Ministry of Agriculture and Rural Affairs, Daqing 163319, Heilongjiang Province, China	gygjyl08@163.com

Abstract:To investigate the induction of mite resistance in adzuki bean by methyl jasmonate (MeJA), two cultivars previously screened in laboratory experiments, a mite-susceptible cultivar (Tianjin Red) and a mite-resistant (Pearl Red), were used as experimental materials. The induction effect of spider mite Tetranychus pueraricola feeding on jasmonic acid (JA) content in adzuki bean leaves was determined, along with the effects of exogenous MeJA application on oviposition, feeding area, and population size of T. pueraricola were assessed. Additionally, the field control efficacy of MeJA against T. pueraricola was evaluated. The results showed that feeding by T. pueraricola significantly increased the JA content in adzuki bean leaves, with a maximum increase of 66.09% compared with the control. After MeJA application, oviposition by T. pueraricola on the mite-resistant adzuki bean variety was lower than that on the susceptible variety. However, oviposition on the susceptible variety was more strongly affected by MeJA induction and was significantly reduced as early as 1 day after MeJA treatment compared with the control. Following MeJA spraying, the feeding area of T. pueraricola on adzuki bean leaves was significantly decreased relative to the control; adult mite populations on both susceptible and resistant adzuki bean varieties were suppressed to varying degrees. Field application of MeJA delayed the occurrence of T. pueraricola infestation on adzuki bean plants. At 10-20 days after treatment with MeJA or MeJA combined with an adjuvant, the population size of T. pueraricola on adzuki beans was significantly lower than that of the control. At 15 and 20 days after treatment, the control efficacies of MeJA against T. pueraricola reached 92.91% and 84.50%, respectively. In contrast, MeJA combined with an adjuvant achieved control efficacy of 98.08% and 97.88%, both significantly higher than those of MeJA alone. These results indicate that MeJA influences the oviposition, feeding, and reproductive behaviors of T. pueraricola and can effectively prevent infestations of this mite under field conditions.

keywords:adzuki bean Tetranychus pueraricola methyl jasmonate induced defense feeding oviposition population size control efficacy

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