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农业部农垦局(南亚办)5月28日称,目前我国荔枝主产区广东、广西除少数早熟品种已开始采摘外,多个荔枝品种的果实临近成熟或进入转色阶段,而转色后的果实更易遭受霜疫霉病和炭疽病侵害,若不加强防控,压低病原菌基数,再遇连续阴雨,两种病害均可发生流行,并导致大量果实腐烂、脱落。近期,华南地区普遍多雨。根据调查,粤东、粤西少数果园的荔枝霜疫霉病已有发生流行的趋势。由于各地小气候不同,且不同果园前期对病虫害的防控所采取的措施各有差别,两种病害发生种
Reclamation Bureau of Agriculture (South Asia Office) on May 28 said that at present, the main producing areas of litchi in Guangdong, Guangxi, except for a few early varieties have begun to pick, the number of litchi varieties near ripe fruit or into the color conversion stage, and after the color Of the fruits are more susceptible to frost blight mildew and anthrax invasion. Without strengthening prevention and control, the base number of pathogenic bacteria will be reduced, and if the rainy season continues, both diseases will prevail and lead to the decay and shedding of a large amount of fruits. Recently, it is generally rainy in southern China. According to the survey, there have been epidemic trends of lychee blight mildew in a few orchards in eastern Guangdong and western Guangdong. Due to the microclimate around different, and different orchard early prevention and control of pests and diseases are taken by the measures are different, the occurrence of two kinds of diseases