Bacterial needle blight has became an epidemic of Chinese fir forests in Anji County in recent years.
杉木细菌性叶枯病近几年在安吉县大量流行。
From the absolute value of control effect, "Priority of the pathogen inoculation" means the disease has happened in the practice, the case is not meaning for controlling the pine needle blight.
从防治效果的绝对值来看,“预先接种病原菌”方式在实际生产中表现为病害已发生再进行生防菌处理,这种情况对松赤枯病的控制无实际意义。
The needle blight disease of spruce, which is new to china, is described in this paper.
本文报道了在我国新发现的一种病害,云杉叶疫病。
The needle blight disease of spruce, which is new to china, is described in this paper.
本文报道了在我国新发现的一种病害,云杉叶疫病。
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