属真菌病害,苗期、成株期均可发病,苗期发病,幼苗的茎基部生暗褐色病斑,稍陷,有轮纹。成株期发病一般从下部叶片向上部发展。初期叶片呈水渍状暗绿色病斑,扩大后呈圆形或不规则轮纹斑,边缘具有浅绿色或黄色晕环。中部具同心轮纹,潮湿时病部长出黑色霉层·主要症状是病部有(同心)轮纹。
关键词:番茄;早疫病;发病规律;塑料大棚;浙江省 [gap=5732]Key words: Tomato; Early blight; Occurrence rule; Plastic tunnel; Zhejiang Province
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番茄早疫病菌 Alternaria solani ; Alternaria solani Sorauer ; Alternaria lycopersici
马铃薯早疫病 Potato Early Blight ; Alternaria Soari ; early blight of potato
番茄早疫病 Tomato Early Blight ; Alternaria solani ; early blight of tomato ; early blight
茄科蔬菜早疫病 Early Blight of Solanceous Vegetables
芹菜早疫病 early blight of celery
番茄早疫病病原菌 Alternaria solani Sorauer
早疫病菌 Altemariasolani
早年疫病菌 Phytophthora deBary
适于番茄早疫病菌生长及产孢的PH值都为7。
PH7 was the most suitable for the growth and sporulation of a.
安泰生70 % WP可有效地防治黄瓜霜霉病、大白菜霜霉病和番茄早疫病。
Antracol 70wp can effectively control downy mildew on cucumber and Chinese cabbage, and early blight on tomato.
早疫病分布在承德、张家口、秦皇岛、唐山、保定、沧州、石家庄、衡水、邢台和邯郸。
Early blight was discovered in Zhangjiakou, Chengde, Qinhuangdao, tangshan, Baoding, Shijiazhuang, Cangzhou, Hengshui, Xingtai and Handan.
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