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当前位置: 首页 > 文章 > 防治棉铃疫病的9种化学杀菌剂筛选与评价 河北农业科学 2014 (3) 45-48
Position: Home > Articles > Screening and Evaluation of 9 kinds of Chemical Fungicides to Control Cotton Boll Blight Journal of Hebei Agricultural Sciences 2014 (3) 45-48

防治棉铃疫病的9种化学杀菌剂筛选与评价

作  者：
鹿秀云;周洪妹;李社增;郭庆港;李宝庆;马平
单  位：
河北省农林科学院植物保护研究所;农业部华北北部作物有害生物综合治理重点实验室;河北省农业有害生物综合防治工程技术研究中心
关键词：
棉铃疫病;苎麻疫菌;室内毒力试验;田间药效试验;防治效果
摘  要：
为筛选出防治由苎麻疫菌引起的棉铃疫病的有效化学药剂,采用菌丝生长速率法测定了9种杀菌剂(40%五氯硝基苯粉剂、50%福美双可湿性粉剂、80%三乙膦酸铝可湿性粉剂、80%代森锰锌可湿性粉剂、70%甲基托布津可湿性粉剂、722 g/L霜霉威盐酸盐水剂、250 g/L嘧菌酯悬浮液、52.5%噁酮·霜脲氰水分散粒剂、46.1%氢氧化铜水分散粒剂)对棉铃疫病病原菌的室内毒力,并通过田间药效试验评价了不同杀菌剂对棉铃疫病的防治效果。田间药效试验结果表明:46.1%氢氧化铜水分散粒剂和80%三乙膦酸铝可湿性粉剂防治效果较好,3次施药后对棉铃疫病的防治效果分别为67.74%、44.68%、36.54%和45.16%、44.68%、32.69%,防效相对稳定,可优选用于棉铃疫病的防治。
译  名：
Screening and Evaluation of 9 kinds of Chemical Fungicides to Control Cotton Boll Blight
作  者：
LU Xiu-yun;ZHOU Hong-mei;LI She-zeng;GUO Qing-gang;LI Bao-qing;MA Ping;Institute of Plant Protection,Hebei Academy of Agriculture and Forestry Sciences,IPM Center of Hebei Province,Key Laboratory of Integrated Pest Management on Crops in Northern Region of North China,Ministry of Agriculture;
关键词：
Cotton boll blight;;Phytophthora boehmeriae;;Indoor virulences test;;Field efficacy trials;;Control efficacy
摘  要：
In order to screening effective chemical fungicides to control cotton boll blight caused by Phytophthora boehmeriae Sawada,the virulences of the 9 tested fungicides( 40% quintozene powder,50% thiram wettable powder,80% fosetyl aluminum wettable powder,80% mancozeb wettable powder,70% thiophanate methyl wettable powder,722 g / L propamocarb hydrochloride aqueous solution,250 g / L azoxy strobin suspending agent, 52. 5% evil ketone cymoxanil water dispersible granule and 46. 1% cupric hydroxide water dispersible granule) against the pathogen Phytophthora boehmeriae were determined by the mycelial growth rate test,while the control efficacy was evaluated by field trials. The results showed that after 3 times application,46. 1% copper hydroxide WG and 80% fosetyl-aluminium WP exhibited a significant control efficacy( 67. 74%,44. 68%,36. 54% and 45. 16%,44. 68%,32. 69%) against cotton boll blight,and the control efficacy was relatively stable. These two kinds of fungicides could be used to control cotton boll blight in agriculture practice.

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