新疆农业科学 ›› 2019, Vol. 56 ›› Issue (1): 67-73.DOI: 10.6048/j.issn.1001-4330.2019.01.009

• 棉花化肥农药减施研究专刊 • 上一篇    下一篇

棉田烟粉虱的为害及其经济阈值分析

顾爱祥1,2,周福才1,杨益众1,苏宏华1   

  1. 1. 扬州大学园艺与植物保护学院,江苏扬州 225009;
    2.江苏省东台市梁垛镇农业技术推广综合服务中心,江苏东台,224200
  • 出版日期:2019-01-20 发布日期:2019-01-20
  • 通信作者: 周福才(1964-),男,江苏靖江人,研究员,硕士生导师,研究方向为农业害虫综合治理,(E-mail)fczhou@yzu.edu.cn
  • 作者简介:顾爱祥(1987-) 男,江苏东台人,硕士,农艺师,研究方向为农业害虫综合治理,(E-mail) 304811944@qq.com
  • 基金资助:
    国家重点研发计划项目“棉花化肥农药减施技术集成与示范项目”(2017YFD0201907) .

Study on the Damage of Bemisia tabaci to Cotton and the Economic Threshold in Cotton Fields

GU Ai-xiang1,2, ZHOU Fu-cai1, YANG Yi-zhong1, SU Hong-hua1   

  1. 1. College of Horticultural and Plant Protection, Yangzhou University Yangzhou Jiansu 225009, China;
    2. The Integrated Service Centre for Agricultural Technology Extension of Liangduo Town, Dongtai City, Dongtai Jiansu 224200, China
  • Online:2019-01-20 Published:2019-01-20
  • Correspondence author: ZHOU Fu-cai (1964- ), male, native place: Jingjiang, Jiangsu. Researcher, research field: Integrated management of agricultural pests. (E-mail) fczhou@yzu.edu.cn.

摘要: 【目的】 研究烟粉虱对棉花为害性及棉田烟粉虱的防治指标,为棉田烟粉虱防控提供理论依据。【方法】 采用田间试验、田间烟粉虱虫量系统调查、棉花产量测定的方法,分析烟粉虱对棉花为害性及防治数据,建立棉田烟粉虱的经济阈值。【结果】 烟粉虱对棉花单株结铃数、单株籽棉重、皮棉单产等均有明显的影响,但对单铃重没有明显的影响;虫口密度(x)与棉花单株结铃数(Y1)、单株籽棉重(Y2)、皮棉单产(Y3)等指标的回归方程分别为:Y1= 12.242 e-0.008 x (r = 0.912 7**),Y2= 29.07e-0.009 6x (r=0.894 4**),Y3= 29.07 e-0.009 6x(r=0.894 4**),虫口密度与棉花单株铃重、衣分没有明显的相关关系。烟粉虱对棉花纤维长度有明显影响,虫量与棉花纤维长度(Y4)回归方程为:Y4 = -0.004 6x + 28.409 r=0.607*【结论】 烟粉虱影响棉花产量和品质。棉田烟粉虱的经济和阈值以若虫计为1.9头/cm2

关键词: 棉花; 烟粉虱; 为害; 经济阈值

Abstract: 【Objective】 The project aims to investigate the damage of Bemisia tabaci to cotton and the control index in order to provide theoretical basis for the scientific prevention and control of cotton B. tabaci. 【Method】 Through the field trials,the systematic investigation of B. tabaci and the determination of cotton yield,etc. the damage of B. tabaci to cotton was conducted, and then on this basis, the economic threshold of Bemisia. tabaci in cotton fields was set up.【Result】 B. tabaci damage to cotton had significant effects on cotton boll number per plant, seed cotton weight per plant, seedless cotton yield per mu, but no significant influence on average boll weight. The regression equations of pest density with cotton boll number per plant, seed cotton weight per plant, seedless cotton yield per mu were Y1= 12.242 e-0.008 x (r = 0.912 7**),Y2= 29.07 e-0.009 6x(r=0.894 4**),Y3= 29.07 e-0.009 6x(r=0.894 4**), respectively, but there was no significant correlation between pest density with average boll weight and cotton gin turnout. There was significant effect of B. tabaci on cotton fiber length with the regression equations :Y4 = -0.004 6 x + 28.409 r=0.607*.【Conclusion】 The damage of B. tabaci affects both the cotton yield and the quality. The economic threshold of B. tabaci is 1.9 nmyph/cm2

Key words: cotton; Bemisia. tabaci(Gennadius); damage; economic threshold

中图分类号: 


ISSN 1001-4330 CN 65-1097/S
邮发代号:58-18
国外代号:BM3342
主管:新疆农业科学院
主办:新疆农业科学院 新疆农业大学 新疆农学会

出版单位:《新疆农业科学》编辑部
地址:乌鲁木齐市南昌路403号新疆农业科学院
邮编:830091
电话:0991-4502046
E-mail:xjnykx-h@xaas.ac.cn


版权所有 © 《新疆农业科学》编辑部
本系统由北京玛格泰克科技发展有限公司设计开发
总访问量: 今日访问: 在线人数:
网站
微信公众号
淘宝购买
微店购买