欢迎访问《中国农学通报》,

中国农学通报 ›› 2021, Vol. 37 ›› Issue (22): 116-119.doi: 10.11924/j.issn.1000-6850.casb2020-0346

所属专题: 植物保护

• 植物保护·农药 • 上一篇    下一篇

3种药剂及其复配使用对山银花白粉病的防效初报

翟杨1(), 刘武2, 刘彬2, 谭汝晴2, 刘上寿2, 吴念庆2, 杨美森3, 曾粮斌1()   

  1. 1中国农业科学院麻类研究所,长沙 410205
    2溆浦森鑫特色农业开发有限公司,湖南溆浦 419315
    3秀山县中药材产业中心,重庆 409900
  • 收稿日期:2020-08-10 修回日期:2021-06-01 出版日期:2021-08-05 发布日期:2021-08-26
  • 通讯作者: 曾粮斌
  • 作者简介:翟杨,男,1997年出生,四川南充人,在读硕士,研究方向为作物病害防控。通信地址:410205 湖南省长沙市岳麓区麓谷咸嘉湖西路348号 中国农业科学院麻类研究所麻产品研究室,E-mail: zhaiyang97@163.com
  • 基金资助:
    国家重点研发计划“高端农用海洋生物免疫制品开发”(2018YFC0311300);湖南省科技创新计划“山银花优质高效栽培关键技术集成与示范”(HHS2017zy05)

Preliminary Report on the Control Effect of Three Kinds of Medicaments and Their Combination Against Powdery Mildew of Flos Lonicerae

Zhai Yang1(), Liu Wu2, Liu Bin2, Tan Ruqing2, Liu Shangshou2, Wu Nianqing2, Yang Meisen3, Zeng Liangbin1()   

  1. 1Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205
    2Xupu Senxin Characteristic Agriculture Development Co., Ltd., Xupu Hunan 419315
    3Xiushan County Chinese Herbal Medicine Industry Center, Chongqing 409900
  • Received:2020-08-10 Revised:2021-06-01 Online:2021-08-05 Published:2021-08-26
  • Contact: Zeng Liangbin

摘要:

以农药的速效性、持效性及对幼苗的安全性为判定指标,筛选适合山银花白粉病的用药技术。比较3种药剂5%壳寡糖(氨基寡糖素)水剂、10%己唑醇悬浮剂、50%硫悬浮剂及其复配使用对山银花白粉病第1次施药后7天、第2次施药后7天以及14天的防治效果。在第1次施药后7天、第2次施药后7天以及14天,不同药剂处理间山银花白粉病的发病率和病情指数显著低于清水对照,防治效果以5%壳寡糖水剂+10%己唑醇悬浮剂处理最好,在第2次施药后14天达到89.13%。50%硫悬浮剂和5%壳寡糖水剂+50%硫悬浮剂防治效果较差,但其防治效果仍分别达到81.71%和80.80%。选取的3种药剂及其复配对山银花白粉病均具有较好的防治效果,生物农药壳寡糖与己唑醇复配使用时可以降低己唑醇使用量,且效果最优。

关键词: 灰毡毛忍冬, 湖南省, 寡糖复配, 防效, 减量增效

Abstract:

Based on the efficacy, persistence and seedling safety of the pesticide, the drug application technology suitable for flos lonicerae powdery mildew was screened. The effects of 5% chitosan oligosaccharide water agent, 10% hexaconazole suspension, 50% sulfur suspension and their combination on powdery mildew of flos lonicerae were compared 7 days after the first application, and 7 days and 14 days after the second application. At 7 days after the first application, 7 days and 14 days after the second application, the incidence and disease index of powdery mildew treated with different agents were significantly lower than those treated with water. The control effect was the best under the treatment of 5% chitosan oligosaccharide water agent+ 10% hexaconazole suspension, and reached 89.13% 14 days after the second application. The control effects of 50% sulfur suspension and 5% chitosan oligosaccharide water+ 50% sulfur suspension were relatively poor, but could still reach 81.71% and 80.80%, respectively. All the three agents and their compound combinations have a good control effect, and the dosage of hexaconazole could be reduced when the biological pesticide chitosan oligosaccharide is combined with hexaconazole, and the combination works the best.

Key words: Lonicera macranthoides, Hunan Province, chitosan oligosaccharide complex, control effect, downsizing for efficiency

中图分类号: