对水稻细菌性谷枯病防治杀菌剂筛选
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S482.2

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吉林省科技攻关计划重点科技攻关项目(20170204008NY)


Bactericide Screening of Control Rice Bacterial Grain Blight
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    摘要:

    通过室内药剂筛选和田间药效试验,以期筛选出针对水稻细菌性谷枯病的有效抑菌药剂,为水稻细菌性谷枯病的防治提供试验依据。利用抑菌圈法测定24种供试药剂及不同浓度对水稻细菌性谷枯病的室内抑菌作用。在室内测定的基础上选用9种药剂进行田间试验。室内测定结果表明:代森铵、琥珀胶肥酸铜、络氨铜、壬菌铜和春雷霉素抑菌效果较好,抑菌圈直径大于20 mm,其次是乙蒜素、氯溴异氰脲酸、王铜、噻菌铜和噻霉酮,抑菌圈直径在15~20 mm,另有5种药剂最大浓度条件下,抑菌直径均小于15 mm,说明这些药剂不适用防控该病。田间试验结果表明:45%代森铵AS防治效果明显,达到80%以上;30%琥珀胶肥酸铜SC、30%壬菌铜ME、30%王铜SC、50%氯溴异氰脲酸SP、2%春雷霉素AS防治效果达70%以上。综上所述,防治水稻细菌性谷枯病首选45%代森铵AS,30%琥珀胶肥酸铜SC、30%壬菌铜ME、30%王铜SC、50%氯溴异氰脲酸SP、2%春雷霉素AS可作为备选药剂。

    Abstract:

    Through fungicide screening in laboratory and field efficacy trails, effective fungicides to control bacterial panicle blight of rice were intended to obtain, which may provide experimental basis for the control. By using method of inhibitory halo, indoor inhibitory actions of 24 fungicides and their different concentrations. Based on the results of indoor inhibitory determination, 9 fungicides were chosen for further field trials. The results of inhibitory test showed that inhibitory haloes of amobam, copper succinate glutarate adipate, copper sulfate-ammonia complex,cuppric nonyl phenolsul and Kasugamycin with gainst the strain B.glumae were more than 20 mm. The diameters of inhibitory haloes of ethylicin, bromochlorocyanuric acid, opper oxychloride, thiodiazole-copper and benziothiazolinone were ranged from 15-20 mm. The other five fungicide were less than 15 mm. It indicates that these bactericide are not suitable for prevention and control of the disease. The results of field trials show that inhibitory haloes of amobam 45% AS had better control effect, which was exceeded 80%; Copper succinate glutarate adipate 30% SC,cupric nonyl phenolsul 30% ME opper oxychloride 30% SC, chloroisobromine cyanuric acid 50% SP and 2% kasugamycin AS the control effect was exceeded 70%. Fungicide inhibitory haloes of amobam 45% AS were used to control bacterial grain blight of rice. As the priority, fungicide copper succinate glutarate adipate 30% SC, cupric nonyl phenolsul 30% ME and opper oxychloride 30% SC could be a candidate.

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高明瑞,王贺,王婧琪,尚欣梅,龙佳芝,凌凤楼,赵丽莉,张佳环.对水稻细菌性谷枯病防治杀菌剂筛选[J].东北农业科学,2023,48(2):99-103.

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  • 收稿日期:2020-03-26
  • 在线发布日期: 2024-10-24
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