Study on weather and climate law conducive to gray mold disease of blueberry in March and April
Based on the daily temperature,rainfall,relative humidity and other meteorological data during the flowering period of blueberry in the core blueberry planting area of Guizhou in the past 30 years,the change law of temperature,rainfall and humidity conducive to gray mold disease is analyzed by statistical methods such as arithme-tic mean and linear evolution trend.The results show that the flowering period of the main blueberry varieties in the study area is concentrated in early March to late April.With global warming,the flowering time of the main blue-berry varieties shows a significant trend of antedating.The days of continuous rain and relative humidity ≥85％,which is conducive to the occurrence of gray mold disease,are increasing.In recent 10 years,the rainfall and hu-midity conditions during the flowering period of blueberry are more conducive to the occurrence of severe gray mold disease.
flowering period of blueberrygray moldcontinuous rainclimate law
万方数据
维普
