黄河中下游小麦赤霉病气象指数的建立与应用

Development and Application of Wheat Scab Weather Index in Yellew River Basin

按照小麦赤霉菌的活动规律 ,把小麦赤霉菌活动周期划分为三个时段 ,即菌丝体形成期、越冬休止期和侵染流行期。分时段选取有植病流行学意义的气象因子 ,组成小麦赤霉病气象指数 ,建立小麦赤霉病气象条件的分析、评价与预报指标 ,经应用 ,取得较好的效果。

According on the law of the wheat scab activities,its life cycle is divided into three periods,they are hypha formation period,winter resting period,and spread period.Meteorological elements for each period are chosen as wheat scab weather indexes,which are used to analysis,evaluate and forecast the wheat scab weather conditions.