杧果白绢病的防治果白绢病造成果树根颈组织坏死，成水渍状后转变成褐色并发黑，病部缢缩下陷，出现白色菌丝层和浅褐色似油菜籽大小的菌核，严重影响生长和结果。因此，对该病必须加强防治。１果园开垦时进行土壤消毒。白绢病属于土传病害，寄主很广，开垦时最好捡除... Tilapia Disease Prevention and Treatment Triticale results in the necrosis of the root tissue of the tree roots. After water stains turn into brown and black, the disease shrinks and the white mycelium and the light brown rapeseed appear in size Sclerotinia, severely affect the growth and outcome. Therefore, the disease must strengthen prevention and control. 1 orchard when reclaimed for soil disinfection. Sclerotium is a soil-borne disease, the host is very wide, reclamation best to remove ...