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塔河林业局苗圃的樟子松苗木,由于松针红斑病和落针病的病菌(Do-thistroma pini和Lophodermium seditiosum)侵染而受害严重.1988—1990年,在调查两种病害及发病规律的基础上,进行了小面积药剂喷洒,换床苗药剂蘸根防病试验和综合管理措施的研究。提出以育苗管理措施为主,以化学药剂防治为辅的综合管理办法,收到明显的防治效果。
The seedlings of Pinus sylvestris var. Mongolica in nurseries of the Tahe Forestry Bureau suffered serious damage due to the attack of pine needles and needle-sick pathogens (Do-thistroma pini and Lophodermium seditiosum). Between 1988 and 1990, On the basis of a small area of pharmacy spraying, dressing bed drug dipping root disease prevention tests and integrated management measures. Proposed nursery management measures based chemical control, supplemented by a comprehensive management approach, received significant control effect.