用于控制二斑叶螨（蜱螨亚纲：叶螨科）的传统方案与综合方案的比较

Comparison of conventional and integrated programs for control of Tetranychus urticae (Acari: Tetranychidae).

作者信息

Iwassaki Larissa Akemi, Sato Mário Eidi, Calegario Fagoni Fayer, Poletti Marcelo, Maia Aline de Holanda Nunes

机构信息

Instituto Biológico, APTA, Rodovia Heitor Penteado km 3.5, Caixa Postal 70, Campinas, SP, CEP 13001-970, Brazil,

出版信息

Exp Appl Acarol. 2015 Feb;65(2):205-17. doi: 10.1007/s10493-014-9853-4. Epub 2014 Oct 4.

DOI:10.1007/s10493-014-9853-4

PMID:25280557

Abstract

The twospotted spider mite (TSSM), Tetranychus urticae Koch, is one of the main pests on strawberry crops in Brazil. TSSM can be difficult to control due to acaricide resistance. The objective of this work was to compare the effect of conventional and integrated strawberry production (ISP) systems on mite abundance and acaricide resistance. The control of TSSM in ISP was based on the release of Neoseiulus californicus (McGregor) or application of a selective acaricide (propargite), when TSSM monitoring indicated the timing for the release of predaceous mites (1-3 mites per leaflet on 30% leaflets) or chemical intervention (>10 mites per leaflet). Only acaricides (abamectin, fenpyroximate) were applied in the conventional system. Integrated control of TSSM were sufficient to maintain a significantly lower pest infestation level, resulting in a sixfold reduction in the frequency of acaricide applications, and consequently, a lower selection pressure for acaricide resistance. Strategies for the management of TSSM in strawberry fields are described and discussed.

摘要

二斑叶螨（TSSM），即土耳其斯坦叶螨（Tetranychus urticae Koch），是巴西草莓作物的主要害虫之一。由于对杀螨剂产生抗性，二斑叶螨难以防治。这项工作的目的是比较传统草莓生产系统与综合草莓生产（ISP）系统对叶螨数量和杀螨剂抗性的影响。在综合草莓生产系统中，对二斑叶螨的防治基于如下操作：当二斑叶螨监测表明达到释放捕食螨的时机（每小叶有1 - 3只螨，且30%的小叶出现螨害）或需要进行化学干预（每小叶螨数超过10只）时，释放加州新小绥螨（Neoseiulus californicus，McGregor）或施用选择性杀螨剂（炔螨特）。在传统系统中仅施用杀螨剂（阿维菌素、唑螨酯）。二斑叶螨的综合防治足以使害虫侵扰水平显著降低，杀螨剂施用频率降低六倍，从而降低了对杀螨剂抗性的选择压力。本文描述并讨论了草莓田中二斑叶螨的管理策略。