Please discuss the disease cycle of potato late blight.

简述马铃薯晚疫病中心病株的意义和防治要点.

互联网

They generally puffed up the infected plants and burn them.

他们通常都把病株拔起来烧掉.

互联网

Study on the aggregating intensity in field of rice blast fungus ( Pyricularia oryzae CAV. )

本文通过对水稻穗瘟在田间聚集强度的研究表明,在水稻蜡熟期, 病株 在田间为聚集分布.

互联网

The pathogen was separated from diseased cucumber plant of Wuqing region and cultivated in PDA medium.

摘要从武清等地常规分离黄瓜发病病株,PDA培养基上培养.

互联网

Fig .2 . Symptom of stem blight of horse - tail . Left: healthy plants, right: diseased plants.

图二、湾木贼茎腐病之病徵. 左: 健株, 右: 病株.

互联网