一、发生情况。据植保部门对广西百色地区的芒果园调查发现,在芒果幼果期发生的主要病虫害有炭疽病、蓟马、红蜘蛛,其他病虫轻发生。1.炭疽病。近期气温较高,在相对湿度较大的情况下将有利于该病发生流行。炭疽病主要发生在嫩梢和幼果上。2.蓟马。持续的干旱天气将继续有利于蓟马的发生,并且世代重叠,幼果期为害将加重。3.红蜘蛛。果园虫量有的高达10头/果,一般4~7头/果。4.缺钙引起的生理性痛害(“软鼻子病”)。这几年在 First, what happened? According to a survey conducted by the plant protection department of the mango orchards in the Baise area of ​​Guangxi Province, anthrax, thrips and spider mites are the major pests and diseases occurring in the young mango. Other pests and diseases occur lightly. Anthrax The recent high temperatures, in the case of larger relative humidity will benefit the prevalence of the disease. Anthrax mainly occurs on young shoots and young fruits. Thrips Continued dry weather will continue to benefit the occurrence of thrips, and over generations, the harm will be aggravated in young fruit. Red spider. Orchards and some pests as high as 10 / fruit, usually 4 to 7 / fruit. Physiological pain caused by calcium deficiency ( “soft nose disease ”). In recent years