【摘要】 烟草黑胫病是烟草生产上最具毁灭性的病害之一,广泛分布在各烟草种植区,目前正严重威胁我国的烟草生产,对该病害的化学防治仍然是当今乃至今后一段时期内比较有效的防治手段。文章概述了烟草黑胫病化学防治的历史、现状及存在的问题,重点介绍了目前研制的新型杀菌剂,提出加强对农药的抗性风险评估、加强新型药剂和混剂的研发与推广应用、科学合理用药等策略,以控制烟草黑胫病的发生和发展。更多还原

【Abstract】 Tobacco black shank,caused by Phytophthora nicotianae,is a serious soil-borne disease that is distributed in many tobacco-growing zones in China.Now the disease is becoming an increasingly major threat to the tobacco production.The chemical control is still and will be an effective way to prevent and control the disease in the future.The history,present situation and existing problem of chemical control of tobacco black shank were reviewed in this paper.The new fungicides which are being developed is mainly introduced.To control the occurrence and development of tobacco black shank,some countermeasures were pointed out,which include strengthening the evaluation of fungicides resistance risk, developing new fungicides and the mixture,reasonably spraying the fungicides etc.更多还原