Better biological control in glasshouses: synergies between biological control agents from different guilds and floral resources

Q3 Agricultural and Biological Sciences

New Zealand Plant Protection Pub Date : 2019-07-28 DOI:10.30843/NZPP.2019.72.335

E. Veronesi, O. Olaniyan, S. Wratten, M. Davidson, C. Thompson

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引用次数: 0

Abstract

The tomato/potato psyllid (TPP), Bactericera cockerelli (Hemiptera, Triozidae), is an adventive psyllid in New Zealand that is a major pest of solanaceous crops and a serious threat to growers in the glasshouse industry. Worldwide, evaluation of potential biological control (BC) agents is normally conducted using single species and this is the case with some potential BC agents for TPP. However, the idea that multiple species can act synergistically remains largely untested so that is the aim of the current work, which is funded by Tomatoes New Zealand. The introduced parasitoid Tamarixia triozae is a BC agent of TPP that attacks mainly late instars. It lives for just 1 day when provided with water but can live up to 11 days (and consume more pests) when nectar in the flowers of buckwheat (Fagopyrum esculentum) is provided. In addition, another potential BC agent, the mirid bug Engytatus nicotianae, prefers young nymphal instars, while the ladybird Cleobora mellyi is voracious and consumes all instars. We are testing combinations of these species to understand the potential for synergies between and within trophic levels for better biological control.

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更好的温室生物防治:来自不同行业和花卉资源的生物防治剂之间的协同作用

番茄/马铃薯木虱(TPP)是新西兰的一种外来木虱，是茄类作物的主要害虫，对温室产业的种植者构成严重威胁。在世界范围内，潜在生物防治剂(BC)的评估通常使用单一物种进行，对于TPP的一些潜在BC剂也是如此。然而，多物种协同作用的想法在很大程度上还没有得到验证，所以这就是目前这项由新西兰番茄公司资助的工作的目的。引进的拟寄生虫三氧化柽柳是TPP的一种BC型病原，主要攻击晚龄虫。在有水的情况下，它只能存活1天，但在有荞麦花蜜的情况下，它可以存活11天(并且消耗更多的害虫)。此外，另一种潜在的BC病原体，烟叶小虫(Engytatus nicotianae)更喜欢年轻的若虫，而瓢虫Cleobora mellyi则是贪婪的，会吃掉所有的若虫。我们正在测试这些物种的组合，以了解营养水平之间和内部协同作用的潜力，以便更好地进行生物控制。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

New Zealand Plant Protection Agricultural and Biological Sciences-Insect Science

CiteScore

1.10

自引率

0.00%

发文量

期刊介绍： New Zealand Plant Protection is the journal of the New Zealand Plant Protection Society. It publishes original research papers on all aspects of biology, ecology and control of weeds, vertebrate and invertebrate pests, and pathogens and beneficial micro-organisms in agriculture, horticulture, forestry and natural ecosystems of relevance to New Zealand.