State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
J Econ Entomol. 2011 Jun;104(3):1080-6. doi: 10.1603/ec10204.
The English grain aphid, Sitobion avenae (F.) (Hemiptera: Aphididae), is an important pest insect of wheat, Triticum aestivum (L.), in China. Grain aphid biotypes are necessary to breed aphid-resistant wheat varieties; however, none have currently been identified. Here, we describe a method to identify grain aphid biotypes and survey the aphid biotype variation in the wheat growth area of China. Clones of S. avenae were collected from 11 locations in China and used to establish culture populations. These populations were then used to assess the resistance of 12 wheat varieties. Based on resistance responses, seven differential hosts were selected to identify the biotype of S. avenae: Amigo, 'Fengchan No. 3', Zhong 4 wumang, JP1, L1, 885479-2, and 'Xiaobaidongmai'. S. avenae was ultimately classified into five biotypes: EGA I, EGA II, EGA III, EGA IV, and EGA V. These methods provide a mechanism to detect the variation and evolution of grain aphids in different wheat-growing locations and also allow for selection of appropriate aphid-resistant germplasm for wheat breeding of commercial wheat cultivars.
在中国，麦长管蚜（Sitobion avenae ）是一种重要的小麦害虫。麦长管蚜生物型是培育抗蚜小麦品种所必需的，但目前尚未发现。本文描述了一种鉴定麦长管蚜生物型的方法，并对中国小麦生长区的麦长管蚜生物型变异进行了调查。从中国 11 个地点采集了麦长管蚜的克隆，并用于建立培养种群。然后，这些种群被用于评估 12 个小麦品种的抗性。基于抗性反应，选择了 7 种差异寄主来鉴定麦长管蚜的生物型：Amigo、“丰灿 3 号”、中 4 无芒、JP1、L1、885479-2 和“小白冬麦”。最终，麦长管蚜被分为 5 个生物型：EGA I、EGA II、EGA III、EGA IV 和 EGA V。这些方法为检测不同小麦种植区麦长管蚜的变异和进化提供了机制，也为商业小麦品种的小麦抗蚜品种选育提供了合适的抗蚜种质选择。
