对黑龙江省尚志市一面坡林场樟子松枯梢病发病区内的固定标准地进行了调查。
The Scotch pine standard plots in the shoot blight occurring area of Yimianpo Forest Farm of Sangzhi City, Heilongjiang Province were investigated.
毛竹枯梢病在林间流行的时间动态属于积年流行病害，遵循罗辑斯蒂模型。
The temporal dynamic of epidemic of the top blight of P. heteroc-ycla is of the polyetic epidemic disease, which follows a Logistic model.
这一令人鼓舞的消息源于这样一个发现：较低的白蜡树枯梢病易感性与较低水平的植物化学物质“环烯醚萜苷类”(iridoid glycosides)之间存在关联。
The encouraging news comes from the discovery of a link between reduced susceptibility to ash dieback and lower levels of plant chemicals called iridoid glycosides.
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