【摘 要】
：
1999年6月上中旬巨鹿县豇豆上普遍发生了近几年来第一次出现的、从来未有见到过的病害——细菌性叶斑病。 该病症状是:发生期在成株期。植株茎蔓顶尖新生叶片皱缩,叶缘向叶
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1999年6月上中旬巨鹿县豇豆上普遍发生了近几年来第一次出现的、从来未有见到过的病害——细菌性叶斑病。 该病症状是:发生期在成株期。植株茎蔓顶尖新生叶片皱缩,叶缘向叶背面卷曲,不展,叶上生黄白色、大小不一的病斑或斑驳。下部叶片病斑较少,皱缩、卷曲较轻。病斑有的穿孔破裂,用放大镜可看到
In June 1999, Jude County cowpea occurred in mid-June on the first occurrence in recent years, has never seen the disease - bacterial leaf spot. Symptoms of the disease are: Occurrence at adult stage. Plant stems and vines top new leaves shrink, leaf edge curled to the back of the leaves, not show, yellow and white leaves, the size of the spots or mottled. Lower leaves less lesion, shrinkage, curl lighter. Some punctured lesions rupture, with a magnifying glass can be seen
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