Symptom recognition and diagnosis of maize white spot
Maize white spot(MWS),caused by Epicoccum latusicollum Qian Chen,Crous & L.Cai,is endemic in local areas of China,resulting in significant losses and exhibiting a tendency to expand endemic area.In order to deepen understanding of MWS among plant protection workers,maize resistance breeders and related parties,the characteristics of symptoms and the MWS pathogen were described,and the occurrence regularity,disease cycle,isolation and identification of the pathogen and diagnosis techniques were summarized in this paper.E.latusicollum can overwinter on the diseased bodies,and the carriage by maize seeds is the main way of its long-distance transmission,wind and rain splash,insects and farm operators are the way of close-distance transmission.The MWS epidemic peak occurred from mid-late July to mid-late September,and the optimum growth temperature of the pathogen was basically the same as that of maize,implying that the disease has the risk of spreading nationwide.
maize white spotEpicoccum latusicollumdisease symptomoccurrence regularitydiagnosis
万方数据
维普
