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对颉颃菌株PB97的生物学活性进行了试验研究。室内测定对 5种桃霉心病病菌的抑制作用均为 1 0 0 %。田间小区采用PB97制剂对桃霉心病的防治效果为 92 .3 % ,可有效地控制病害的发生。
The biological activity of antagonistic strain PB97 was studied. Laboratory tests on five kinds of peach fungal pathogenic bacteria were 100% inhibition. The use of PB97 field plot against peach heart disease prevention and control effect of 92.3%, which can effectively control the occurrence of disease.