综合防治方法主要分越冬期防治、危害期防治、利用天敌防治和采取营林措施。
The integrated control methods include winter control, attack-stage control, natural enemy control and afforestation practice control.
甘薯生产上主要采用综合防治方法进行防治，其中选育抗病品种最为经济有效。
The nematodes that limit sweetpotato production are sweetpotato root-knot and rot-knot nematode. The intergrated methods are used to control the disease in sweetpotato production.
综述了板蓝根主要病害的症状、病原菌、发生规律和防治方法，并对综合防治方法进行了探讨和展望。
This paper summarized the symptom, pathogen, and occurrence rule and control measures for these diseases. The integrated control measures were put forward and some new control measures were dis...
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