桃畸果病是近年来发现的一种新病害,它是由下心瘿螨为害果实后造成的。目前,在我省保定地区的易县、唐山市遵化、迁安,石家庄市郊,秦皇岛市的卢龙、抚宁等地都有发生。该病传染快,果园内一但出现病株,一两年便会造成全国发病。桃树染病后,果实表现畸形,产量降低,既影响经济价值,又影响市场供给。下心瘿螨成虫体长200—210微米,宽65微米,呈圆筒形,体色淡黄。喙斜下伸,长度为25微米,足两对,位于体躯前端并向前伸,卵白色半透明,圆球形,5—13粒排成块。该病在落花后即表现症状,5月中下旬进发病 Peach spondylosis is a new disease found in recent years, it is caused by the next spider mite damage fruit. At present, in the county of Baoding in our province, Zunhua, Tangshan, Qian’an, Shijiazhuang suburbs, Lulong, Funing and other places in Qinhuangdao have occurred. The disease is contagious fast, but once the disease occurs in the orchard, it will cause the disease in a year or two. Peach disease, the fruit deformity, lower yields, both affect economic value, but also affect the market supply. Under the heart mite adult body length 200-210 microns, 65 microns wide, cylindrical, body color yellow. Beak diagonal extensor, a length of 25 microns, two feet, located in front of the body and forward stretch, egg white translucent, spherical, 5-13 tablets lumps. The disease showed symptoms after falling, in late May into the disease