河西走廊玉米穗粒腐病侵染规律及发病因子研究  

Study on Infection Law and Disease Factor of Corn Spike Kernel Rotten in Hexi Corridor

作　　者：陈广泉[1] 

机构地区：[1]西北农林科技大学植保学院

出　　处：《玉米科学》2006年第1期158-160,共3页Journal of Maize Sciences

摘　　要：根据田间调查和病原菌鉴定,明确了河西走廊玉米穗粒病是由8种病原菌复合侵染所致。其中Fusariummoniliforme和F.graminearum共同组成了玉米穗粒腐病的优势菌种。探明了玉米穗粒腐病的发生与品种抗性、环境条件、种植密度、施肥量及虫害之间的关系。In this paper, it was suggested that the compound infection of eight fungus caused corn spike kernel rotten by investigation and germs identification. Among the eight fungus, Fusarium moniliforme and F.gramineorum were much more than the others. The resuh also showed that the occurrence of this disease related with variety resistance, environmental condition, plant density, quantity of fertilizer and insect pest.

关 键 词：玉米穗粒腐病 侵染规律 发病因子 河西走廊 

分 类 号：S435.131[农业科学—农业昆虫与害虫防治]