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当前位置: 首页 > 文章 > 棉花叶片性状(厚度和油点密度)与其对绿盲蝽抗性的关系 昆虫学报 2010,53 (7) 62-67
Position: Home > Articles > Effects of leaf thickness and gossypol gland density of cotton on its resistance to Apolygus lucorum (Meyer-Dür) (Hemiptera:Miridae) Acta Entomologica Sinica 2010,53 (7) 62-67

棉花叶片性状(厚度和油点密度)与其对绿盲蝽抗性的关系

作  者：
林凤敏;吴敌;陆宴辉;张永军;王沫;吴孔明;郭予元
单  位：
华中农业大学植物科技学院;中国农业科学研究院植物保护研究所
关键词：
绿盲蝽;棉花;抗虫性;叶片厚度;油点密度
摘  要：
为了明确棉花叶片性状(厚度和油点密度)与其对绿盲蝽Apolygus lucorum(Meyer-Dür)抗性的关系,以期为棉花抗盲蝽品种(系)选育提供理论依据,本研究选用对绿盲蝽有不同抗性的20个棉花品种(系)为材料,分别测定其叶片厚度、表皮层厚度和油点密度。结果表明:晋棉26、冀丰989、常D、亚洲棉对绿盲蝽表现为高抗;棉花叶片厚度、表皮层厚度和油点密度在不同生长期均有差异;棉花对绿盲蝽的综合抗性指数与其铃期叶片表皮层厚度和油点密度有显著相关性(y=20.673+0.415x,R2=0.305,P=0.012;y=1.049+0.049x,R2=0.207,P=0.044)。结果显示,在一定的生长期,叶片表皮层厚和多油点棉花品种可以减少绿盲蝽的危害。
译  名：
Effects of leaf thickness and gossypol gland density of cotton on its resistance to Apolygus lucorum (Meyer-Dür) (Hemiptera:Miridae)
作  者：
LIN Feng-Min1,2, WU Di1, LU Yan-Hui1, ZHANG Yong-Jun1,, WANG Mo2, WU Kong-Ming1, GUO Yu-Yuan1 (1. State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; 2. College of Plant Science and Technology, Huazhong Agricultural University, Wuhan 430070, China)
关键词：
Apolygus lucorum; cotton; insect resistance; leaf thickness; gossypol gland density
摘  要：
To investigate the relationship between the resistance of cotton to Apolygus lucorum (Meyer-Dür) and the leaf characteristics, the resistance levels of different cotton varieties to A. lucorum were evaluated in the field, and the leaf thickness, the leaf epidermis thickness and the gossypol gland density of cotton leaves during different growth stages were measured in the laboratory. The results indicated that Jinmian 26, Jifeng 989, Chang D and Yazhoumian had high resistance to A. lucorum. The leaf thickness, the leaf epidermis thickness and the gossypol glands density of cotton leaves during different growth stages were significantly different among different varieties. The host resistance to A. lucorum showed significant correlation with the leaf epidermis thickness and the gossypol gland density of cotton leaves at bolling stage (y=20.673+0.415x,R2=0.305,P=0.012;y=1.049+0.049x,R2=0.207,P=0.044). The results suggest that cotton varieties with thinner leaf epidermis and more gossypol glands at a certain growth period can be used to minimize the damage by A. lucorum.

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