| 5种杀菌剂对储藏期甘薯黑斑病的防效及对薯块的安全性评价 |
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| 引用本文： | 张德胜,乔奇,田雨婷,王爽,秦艳红,王永江,张振臣.5种杀菌剂对储藏期甘薯黑斑病的防效及对薯块的安全性评价[J].植物保护,2015,41(6):221-224. |
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| 作者姓名： | 张德胜 乔奇 田雨婷 王爽 秦艳红 王永江 张振臣 |
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| 作者单位： | 河南省农业科学院植物保护研究所，河南省农作物病虫害防治重点实验室，农业部华北南部作物有害生物综合治理重点实验室，郑州 450002 |
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| 基金项目： | 国家甘薯产业技术体系建设项目(CARS-11-B-07)；河南省农业科学院自主创新专项基金 |
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| 摘 要： | 通过药液浸渍的方法比较了不同杀菌剂对储藏期甘薯黑斑病的防治效果,调查了各处理甘薯的出苗情况和农药残留情况。结果表明,储藏90d后,12.5%粉唑醇SC 80mg/kg、粉唑醇25mg/kg+甲基硫菌灵210mg/kg和粉唑醇25mg/kg+百菌清800mg/kg对黑斑病的防效可达90%以上,各药剂处理对甘薯出苗没有不良影响。720g/L百菌清SC、70%噁霉灵WP、50%多菌灵WP和70%甲基硫菌灵WP在甘薯薯块中的残留量符合相关标准。而12.5%粉唑醇SC 20mg/kg和80mg/kg两处理在甘薯薯块中的残留量高于欧盟规定的最大残留限量标准。
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| 关 键 词： | 甘薯黑斑病 杀菌剂 防治效果 出苗 残留 |
| 收稿时间： | 2014/9/19 0:00:00 |
| 修稿时间： | 2014/12/4 0:00:00 |
Control efficacy of five fungicides to black rot of sweet potato in storage and safety assessment to storage roots |
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| Zhang Desheng,Qiao Qi,Tian Yuting,Wang Shuang,Qin Yanhong,Wang Yongjiang,Zhang Zhenchen.Control efficacy of five fungicides to black rot of sweet potato in storage and safety assessment to storage roots[J].Plant Protection,2015,41(6):221-224. |
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| Authors: | Zhang Desheng Qiao Qi Tian Yuting Wang Shuang Qin Yanhong Wang Yongjiang Zhang Zhenchen |
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| Institution: | Institute of Plant Protection, Henan Academy of Agricultural Sciences, Henan Key Laboratory of Crop Pest Control, IPM Key Laboratory in Southern Part of North China for Ministry of Agriculture, Zhengzhou 450002, China |
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| Abstract: | Control efficacies of five fungicides to black rot of sweet potato in storage were tested by impregnating method, and the seedling emergence and pesticide residue after treatment were surveyed. The results showed that control efficacy of 12.5% flutriafol SC 80 mg/kg, flutriafol 25 mg/kg+thiophanate·methyl 210 mg/kg and flutriafol 25 mg/kg+chlorothalonil 800 mg/kg were over 90% after 90 days in storage. The seedling emergence of sweet potato had no significant difference among all treatments. The residual amounts in storage roots met the requirements of MRL of sweet potato after treatment with 720 g/L chlorothalonil SC, 70% hymexazol WP, 50% carbendazim WP and 70% thiophanate·methyl WP, while that treated with 12.5% flutriafol SC 20 mg/kg or 80 mg/kg exceeded MRL of EU. |
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| Keywords: | black rot of sweet potato fungicide control efficacy seedling emergence residue |
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