摘要
本文简述了玉米粗缩病 (MRDV)的初侵染源、发病症状、发病原因和危害损失等情况。明确了玉米粗缩病 (MRDV)的发生危害与环境条件、播种时期、品种抗病性差、自然界天敌减少等诸多因素有关。并提出了调整播期和以农业防治为主的综合防治措施等 ,就可以减少玉米粗缩病 (MRDV)的发生与危害。
This paper simply discribed the primary source of infection,disease occurrence symptom,disease-occurrence reason and harmful impairment of corn rough dwarf virus disease.The relationship between the occurrence,harm and enviroment condition,sowing time,poor disease-resistant of variety,natural enemy around the surrounding,etc,was determined.Adjusting sowing time and the complex control method in which the agricultural control was the most important,can reduce occurrence and harm of corn rough dwarf virus disease.
出处
《玉米科学》
CAS
CSCD
2000年第4期75-78,共4页
Journal of Maize Sciences
关键词
玉米
粗缩病
灰飞虱
发生危害
防治对策
Corn
Rough dwarf virus
Fling couse
Occurrence harm
Control method.
