black blight

Besides two pathogenic types of mulberry bacterial disease black blight and crinkle leaf in recent years another sympton type broken leafstalk was discovered.

近年来发现桑细菌性疫病除黑枯型、缩叶型外，还有一种新的症状类型&断柄型。

The flowers and trees rust, downy mildew, black spot disease, leaf blight, branch blight disease, powdery mildew etc. were significantly controlled by this fungicide.

对花木锈病、霜霉病、黑斑病、叶枯病、枝枯病、白粉病、溃疡病等防效显著。

The resistance to yellow dwarf disease and black bacterial blight were stronger than that of the control.

抗桑黄化型萎缩病和桑疫病强于对照。

One new disease jujube Alternaria and Phoma blight on Chinese date fruits was reported in Shanxi. The typical symptom was that black red spots emerged on the top or umbilical parts of jujube, made the fruits too bitter to be eaten.

红枣果实黑斑病的病原分离和鉴定山西省红枣果实发生的一种新病害&红枣果实黑斑病，症状表现为果顶或脐部形成黑红色病斑，枣味苦不可食，损失严重。

Leading Factor of Prunus spp. Black Blight and Its Control

诱发桃形李煤污病的主导因子和防治方法