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农学学报 ›› 2018, Vol. 8 ›› Issue (6): 10-14.doi: 10.11923/j.issn.2095-4050.cjas17100010

所属专题: 小麦

• 植物保护 • 上一篇    下一篇

生物制剂防治小麦赤霉病田间药效试验

李伟华,郭振升,田伟,张慎举,皇甫自起   

  1. 商丘学院风景园林学院,商丘职业技术学院,商丘学院风景园林学院,商丘职业技术学院,商丘职业技术学院
  • 收稿日期:2017-10-19 修回日期:2017-12-19 接受日期:2018-01-15 出版日期:2018-06-26 发布日期:2018-06-26
  • 通讯作者: 张慎举 E-mail:sqzyhf@163.com
  • 基金资助:
    河南省重点科技攻关计划项目“豫东平原区小麦玉米两熟农艺农机配套技术研究与应用”(142102110024);商丘市科技攻关计划项目“小 麦玉米两熟超高产栽培技术体系研究与应用”(153022);河南省高等学校重点科研项目“小麦玉米超高产栽培技术研究与应用”(16A210038)。

Field Efficacy of Biocontrol Agents in Controlling Wheat Scab

  • Received:2017-10-19 Revised:2017-12-19 Accepted:2018-01-15 Online:2018-06-26 Published:2018-06-26

摘要: 为提高小麦赤霉病防治效果,筛选豫东平原防治小麦赤霉病的高效生物制剂,以‘郑麦7698’为试材,研究枯草芽孢杆菌WP、氨基寡糖素AS、申嗪霉素SC、低聚糖素AS、井冈?蜡芽菌SC 5种生物制剂和井冈?多菌灵SC、多菌灵WP对小麦赤霉病的田间防效。结果表明:小麦赤霉病重发年份,2次用药可以明显提高病穗防效和病指防效,应该进行2次用药。在小麦扬花初期、扬花盛期2次用药,对小麦赤霉病防治效果最好的处理为处理⑥井冈?多菌灵,病穗防效为78.21%,病指防效达到80.55%;处理⑦多菌灵、处理③申嗪霉素、处理①枯草芽孢杆菌次之,病指防效均在75%以上,无显著性差异。增产效果以处理⑥井冈?多菌灵最好,增产率为26.51%;处理⑦多菌灵次之,增产率为25.03 %。豫东平原防治小麦赤霉病可首选井冈?多菌灵,多菌灵仍可继续应用,枯草芽孢杆菌、申嗪霉素可作为多菌灵的替代药剂推广应用。

关键词: 农地边际化特征, 农地边际化特征, 影响因素, 地理探测, 广东省

Abstract: In order to improve the control effect of wheat scab, the study takes Wheat Zheng 7689 as test material to examine the effects of five different biocontrol agents,which are Bacillus Subtilis WP, Amino-oligosaccharide AS, Shinyomycin SC, Oligosaccharin AS, Jinggang Bacillus Cereus SC and two different Carbendazims, which are Jinggang Carbendazim SC, Carbendazim WP for wheat scab on field in Henan Plain. The results indicate that in heavy wheat scab periods,twice usages of biocontrol agents significantly improve the effects of disease prevention thus twice usages of biocontrol agents are necessary. Furthermore, in the initial stage of flowering and the stage of blossoming, the best treatment of wheat scab is the usage of Jinggang Carbendazim during treatment stage ⑥, with a 78.21% prevention effect of wheat ear disease and a 80.55% of disease control. The usage of Carbendazim,Shinzamycin and Bacillus Subtilis during treatment stage ⑦,③ and①show no big differences on disease control effect with ratios more than 75%. Jinggang Carbendazim during treatment ⑥ performs the best yield-increasing effect with a 26.51% increasing rate followed by Carbendazim during treatment ⑦, 25.03%. To conclude, Jinggang Carbendazim is relatively advantageous as the first choice, while Carbendazim remains useful. Bacillus Subtilis and Shinzamycin can be used as feasible alternatives of Carbendazim .

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