在黄皮树叶片发生一种细菌性叶斑病。
A bacterial leaf spot on Clausena lansium(Lour) Skeels was observed.
近年来,华南热带作物学院校园内的黄皮树叶片发生一种细菌性叶斑病。
A bacterial leaf spot on Clausena lansium(Lour)Skeels was observed at the cam- pus of South China College of Tropical Crops in recent years.
该病菌引起番茄细菌性斑点病(又称叶斑病)。
The new disease was identified as bacterial speck of tomato.
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