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明确了土壤中越冬病残体所带病源的存活期，为春季推迟留田茎，减轻发病提供依据；嫩茎伸长规律与病菌侵染的关系以及田茎前期感病，中期抗病，后期感病的规律，为缩短嫩茎时期，避开雨季养茎、换茎时间及涂茎等关键防治技术提供依据，从众多的杀菌剂中筛选出一些有效的药剂。?
Clear the survival of the disease source pathogen overwintering in soil, postponed to stay in the field for the spring stem to provide the basis for the disease; the law of elongation of stems and the relationship between bacteria infection and field stem early disease, mid-term disease resistance, The law of disease, in order to shorten the period of young stems, to avoid the rainy season to raise stems, stems and stems and other key technologies to provide the basis for prevention and treatment, screening from a number of fungicides in some effective agents. ?