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为了明确小麦苗期与成株期麦长管蚜抗性的关系,2010-2012年采用蚜量比值法对94个小麦品种进行了温室苗期人工接种和田间成株期自然感蚜麦长管蚜抗性鉴定。结果表明,43个品种连续3年在成株期对麦长管蚜表现不同程度的抗性,其中高抗品种2个,中抗品种8个,低抗品种33个;45个品种在苗期对麦长管蚜表现不同程度的抗性,其中高抗品种5个,中抗品种16个,低抗品种24个;30个品种在苗期和成株期同时表现抗蚜,占供试品种的31.91%,其中C273和兰麦(陕西柞水)在苗期和成株期均表现为高抗;小麦品种在温室苗期人工接种和田间成株期自然感蚜的蚜量比值呈极显著正相关,苗期和成株期麦长管蚜抗性表现一致的共有66个品种,占供试材料的70.21%。研究表明温室苗期人工接种鉴定小麦麦长管蚜抗性的方法是可靠的,是快速鉴定小麦品种麦长管蚜抗性的有效方法。
In order to clarify the relationship between the wheat seedling stage and adult Aphis gossypii resistance, the 94 wheat cultivars were inoculated in the greenhouse at seedling stage and the natural aphid wheat long tube Aphid resistance identification. The results showed that 43 cultivars showed different degrees of resistance to S. avenae at the adult stage for three consecutive years, of which two were high resistant, eight were medium resistant and 33 were low resistant. 45 cultivars There were 5 high resistant varieties, 16 medium resistant varieties and 24 low resistant varieties. 30 cultivars showed resistance to aphids at seedling stage and adult stage, 31.91% of the total, respectively. Among them, C273 and Lanmai (Zhashui, Shaanxi) showed high resistance at seedling stage and adult stage. The ratio of aphids of the natural aphids in wheat seedlings in field and seedling stage was extremely significant A total of 66 cultivars showed the same resistance performance at seedling stage and adult stage, accounting for 70.21% of the tested materials. Studies have shown that the method of artificial inoculation of wheat seedlings to identify wheat Aphis gossypii resistance is reliable, is an effective method to quickly identify the wheat variety Aphis gossypii.