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河西走廊棉田主要害虫发生动态及植物源杀虫剂防治技术

引用本文：张宣,刘雪莹,胡迪,袁向群,冯克云,康波,张军,罗进仓,南宏宇,李怡萍.河西走廊棉田主要害虫发生动态及植物源杀虫剂防治技术.植物保护学报,2021,48(5):1125-1138

DOI：10.13802/j.cnki.zwbhxb.2021.2021865

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作者	单位	E-mail
张宣	西北农林科技大学植物保护学院, 农业农村部西北黄土高原作物有害生物综合治理重点实验室, 陕西杨凌 712100
刘雪莹	西北农林科技大学植物保护学院, 农业农村部西北黄土高原作物有害生物综合治理重点实验室, 陕西杨凌 712100
胡迪	西北农林科技大学植物保护学院, 农业农村部西北黄土高原作物有害生物综合治理重点实验室, 陕西杨凌 712100
袁向群	西北农林科技大学植物保护学院, 农业农村部西北黄土高原作物有害生物综合治理重点实验室, 陕西杨凌 712100
冯克云	甘肃省农业科学院作物研究所, 兰州 730070
康波	甘肃省酒泉市瓜州县农业技术服务中心, 瓜州 736100
张军	甘肃省酒泉市瓜州县农业技术服务中心, 瓜州 736100
罗进仓	甘肃省农业科学院植物保护研究所, 兰州 730070
南宏宇	甘肃省农业科学院作物研究所, 兰州 730070	greendream2@126.com
李怡萍	西北农林科技大学植物保护学院, 农业农村部西北黄土高原作物有害生物综合治理重点实验室, 陕西杨凌 712100	liyiping@nwsuaf.edu.cn

中文摘要:为了解甘肃省河西走廊棉区5种常见害虫的田间种群消长动态，明确防治适期并提出以植物源药剂为主的棉花害虫绿色防控技术，于甘肃省敦煌市和瓜州县棉田连续3年采用人工调查和性诱剂诱捕器监测棉蚜Aphis gossypii、棉叶螨、棉蓟马Thrips tabaci、烟粉虱Bemisia tabaci及棉铃虫Helicoverpa armigera的发生动态，同时开展以植物源农药为主的不同类型杀虫剂的田间药效筛选试验，建立科学防控用药技术流程。结果表明，棉蚜全年有6月中旬和7月中下旬2个发生高峰期，建议防治适期为7月上中旬；棉叶螨全年有7月上旬和7月下旬（2017年除外）2个发生高峰期，建议防治适期为6月下旬和7月中旬；烟粉虱全年只有8月中旬至9月中下旬1个高峰期，建议防治适期为8月上中旬；棉蓟马全年只有7月上旬至8月上旬1个高峰期，建议防治适期为7月上旬；棉铃虫1年发生3代，幼虫在7月下旬、9月上旬和9月中旬各有1个发生高峰期，成虫在7月上中旬、8月中下旬和9月中旬各有1个高峰期，建议防治适期应为7月上旬。软皂水剂、藜芦碱、苦参碱、啶虫脒和吡虫啉可用于防控棉蚜，药后14 d防效达76.93%~91.25%；藜芦碱、苦参碱、矿物油、软皂水剂、松油、阿维菌素、阿维·哒螨灵、螺螨酯和硅藻土+有机硅助剂可用于防控棉叶螨，药后10 d防效达72.39%~92.81%；软皂水剂、藜芦碱、印楝素、硅藻土+有机硅助剂、阿维菌素和噻虫嗪可用于防控烟粉虱，药后7 d防效达65.84%~84.29%；除虫菊素、苦参碱、多杀霉素、噻虫嗪和吡虫啉可用于防控棉蓟马，药后14 d防效达72.92%~90.93%。表明在该地区棉田主要害虫防治适期，建立以植物源农药替代传统化学药剂的防控技术，可用于我国河西走廊棉区棉花害虫的绿色防控。

中文关键词:河西走廊棉区棉花害虫发生动态植物源农药绿色防控

Occurrence dynamics of major pests in cotton areas and the control techniques with botanical pesticides in the Hexi Corridor, China

Author Name	Affiliation	E-mail
Zhang Xuan	Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi Province, China
Liu Xueying	Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi Province, China
Hu Di	Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi Province, China
Yuan Xiangqun	Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi Province, China
Feng Keyun	Crop Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu Province, China
Kang Bo	Agricultural Technical Service Center of Guazhou County, Guazhou 736100, Gansu Province, China
Zhang Jun	Agricultural Technical Service Center of Guazhou County, Guazhou 736100, Gansu Province, China
Luo Jincang	Institute of Plant Protection, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu Province, China
Nan Hongyu	Crop Research Institute, Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu Province, China	greendream2@126.com
Li Yiping	Key Laboratory of Integrated Pest Management on Crops in Northwestern Loess Plateau, Ministry of Agriculture and Rural Affairs, College of Plant Protection, Northwest A&F University, Yangling 712100, Shaanxi Province, China	liyiping@nwsuaf.edu.cn

Abstract:In order to clarify the field population dynamics of five common cotton pests in the cotton area of the Hexi Corridor in Gansu Province, screen high-efficiency and low-toxicity botanical pesticides, provide a reference for the green prevention and control of regional cotton pests and reduce the use of chemical pesticides, the research was conducted in Dunhuang City and Guazhou County, Gansu Province for three consecutive years in 2017-2019. The pest population dynamics of Aphis gossypii, cotton spider mites, Thrips tabaci, Bemisia tabaci and Helicoverpa armigera were investigated by manual survey and sexual attractant entrapment in the field. Meanwhile, the field efficacy screening tests of different insecticides (e.g., botanical pesticides) were carried out to establish a scientific insecticide control technical process. The results showed that there were two peak periods for A. gossypii in a year, i.e., mid-June and mid-to-late July, respectively, and thus the suitble period for controlling A. gossypii might be early and mid-July. There were two peak periods for cotton spider mites in a year, i.e., early and late July, and it was recommended to control cotton spider mites in late June and mid-July. B. tabaci and T. tabaci had only one peak throughout the year, occurring from mid-August to mid-to-late September and early-July to early-August, respectively, and it was recommended to control these two pests in early-mid August and early July, respectively. Three generations of H. armigera occurred a year, and the larvae have three peaks in late July, early September and middle September, respectively, while the adults had three peaks in early and mid-July, mid-to-late August and middle September, respectively. It was recommended to control H. armigera in early July, focusing on the second generation of larvae. Veratrine, matrine, soft soap, acetamiprid and imidacloprid could be used for the control of A. gossypii with a control effect from 76.93% to 91.25% on the 14th day after spraying; veratrine, matrine, mineral oil, soft soap, pine oil, abamectin, abamectin·pyridaben, spirodiclofen, diatomite+silicone additives could be used for the prevention of cotton spider mites with a control effect from 72.39% to 92.81% on the 10th day after spraying; soft soap, veratrine, azadirachtin, abamectin, thiamethoxam, diatomite+silicone additives could be used for the prevention of B. tabaci with a control effect from 65.84% to 84.29% on the 7th day after spraying, and pyrethrin, matrine, spinosyn, thiamethoxam and imidacloprid could be used for the prevention of T. tabaci with a control effect from 72.92% to 90.93% on the 14th day after spraying. The results indicated that the technology of replacing traditional chemical agents with botanical pesticides is applicable for the green control of cotton pests in the Hexi Corridor of China.

keywords:cotton areas in the Hexi Corridor cotton pest occurrence dynamics botanical pesticides green control

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