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目前,保护地蔬菜生产进入后期,主要病虫害也逐步向露地蔬菜转移。4月中、下旬以来,我省降水量较常年显著偏少,气温较常年偏低,天气条件对蔬菜病虫害的发生不利。据省气象台天气预报,5月中、下旬,我省降水较常年偏少,气温较常年偏高,对蔬菜虫害的发生相对有利,而对蔬菜病害的发生则不利。综合天气预报、蔬菜种植情况和病虫害发生实况,对近期蔬菜病虫害预报如下:
At present, the vegetable production in protected areas has entered a later stage, and the major pests and diseases have gradually shifted to open-field vegetables. April and late April, the precipitation in our province was significantly less than normal, the temperature is lower than normal, the weather conditions are harmful to the occurrence of vegetable pests and diseases. According to the Provincial Meteorological Observatory weather forecast, mid-May and late May, precipitation in our province less than normal, the temperature is higher than usual, the occurrence of vegetable pests is relatively favorable, but the occurrence of vegetable diseases is not conducive. Comprehensive weather forecasts, planting vegetables and pests and diseases happen, the recent forecast of pests and diseases of vegetables are as follows: