安徽省金寨是白大人民公社的30苗茶苗于今年2月23-27日播种,苗圃为子荒地和一部份生荒地,地势平坦(平山岗),土壤是黄粘土,播种时施用桐子并2084斤,对150担火粪作底肥,播种前后阴雨很多,于6月间发生白绢病,发病率为0,05—0,08％,其中有2分地占5-10％,6月20日检查,病苗基部腐败,呈黑褐色,上附著白色丝状物,菜籽壳上也生有这种丝状物,死株周围表土固丝状物与泥土黏结 Jinzhai in Anhui Province is the White People’s Commune 30 seedlings of tea seedlings in February 23-27 this year, sowing, nursery for the son of a wasteland and part of the heath, flat (Pingshan Gang), the soil is yellow clay, sowing application Tongzi and 2084 pounds, 150 acres of manure as fertilizer at the end of the rain before and after sowing a lot of white silk disease occurred in June, the incidence rate of 0,05-0,08%, of which 2 points accounted for 5-10% June 20 inspection, the base of the corrupt seedlings, was dark brown, attached to the white silk, rapeseed shell is also born with such filaments, dead silk lines around the surface of solid filaments and clay