小麦、玉米两熟区小麦纹枯病菌群体组成及其农田分布特征

赵绪生,齐永志,甄文超

Composition and Distribution Characteristics of Pathogens Causing Wheat Sharp Eyespot in Wheat and Maize Double Cropping System

ZHAO XuSheng,QI YongZhi,ZHEN WenChao

表3 不同生态类型区120株禾谷丝核菌对3个小麦品种的致病力

Table 3 Pathogenicity of 120 R. cerealis strains collected from the different ecological regions on three wheat cultivars

省份 Province 病情指数Disease index 平均值±标准差 Mean±SD 石新828 Shixin 828 济麦22 Jimai 22 周麦22 Zhoumai 22 河北Hebei 40.2±3.2a 36.3±3.2a 30.1±2.0b 35.6±2.9c 山东Shandong 46.4±2.2a 40.3±3.1b 36.0±2.4b 40.9±2.6b 河南Henan 52.7±2.0a 45.7±2.6b 40.2±2.0c 46.2±2.3a