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杨树枝条经0。C—-37°C7种低温处理后接种杨球二孢菌BotryodiplodiuPopu-lea Z.K.Zhong,对溃疡病的发生没有多大影响和规律性差异.
Poplar branches by 0. Inoculation of BotryodiplodiuPopu-lea Z.K.Zhong after 7 kinds of low temperature treatment at C - 37 ° C did not have much influence on the occurrence of canker disease and regularity difference.