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赤霉病菌对小麦各个生长阶段都有危害。其中以开花期到成熟期造成穗腐的危害最重。 1976年4月21日(开花始期)到5月21日(腊熟期),我们对万雅二号小麦穗部的温湿度变化与赤霉病的关系进行了观测试验,发现第一期是在雨后气温回升的条件下发病的,第二期是在降雨时空气湿
Fusarium graminearum is harmful to all growth stages of wheat. Among them, the inflorescence to maturity caused the most serious damage to spike. April 21, 1976 (flowering period) to May 21 (wax maturity), we observed the relationship between the changes in temperature and humidity of wheat in Wan Ya II and scab, and found that the first phase was The onset of the disease under the conditions of temperature rise after the rain, the second is the wet air in the rain