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期 刊 ：植物保护学报 1999年

关键词：小麦；赤霉病；流行分区；气候；地下水位；

Keywords:wheat scab, epidemiological zonation, climate, underground water level,

摘 要 ：利用２０余的的气候资料和病情数据，以逐步判别分析法将关中麦区各县（市）划分为三大气候区。长安、户县等１３县（市）为有利病气候区，岐山、凤翔等５县（市）为过渡区，蒲城，富平等８县为不利发病气候区。气候条件对发的有利性在关中盆地自西向东渐次降低。在气候分区的基础上，地下水位与发病率的回归关系，进一步以乡镇为单位划分小麦赤霉病流行区。结果表明，２０３个乡镇为赤霉病严重区，１１１个为中度区，１４３个为轻度

Abstract:The wheat growing area in Central Shaanxi was divided into three climatic zones based on the data of climatic factors and the disease severity for 20 years by using progressive discriminatory analysis. The zones include the climate favorable (13 counties)

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