1 Project Title: Improving Integrated Pest Management in Strawberry
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Project title: Improving integrated pest management in strawberry Project number: SF 156 Project leader: Dr Michelle Fountain Report: Year 5 Final Report, March 2020 Previous report: Year 4 Annual Report, March 2019 Key staff: Jerry Cross, Jean Fitzgerald, Chantelle Jay, Phil Brain, David Buss, Adrian Harris, Glen Powell, Bethan Shaw, Adam Walker, Francesco Maria Rogai, Celine Xavier e Silva, Umberto Rosalina, Luca Csokay, Francesco Maria Rogai, Zoe Clarke, Jacob Lowe, Molly Perry-Clark, Ben Brough, Piroska Mohay, Greg Deakin, Rosa Blanco Fernandez, Gabriele Antoniella, Alastair Gibbons, Chris Coyne, (NIAB EMR); Steve Edgington, Bryony Taylor, Belinda Luke, Rhian Whelan, David Moore, Emma Thompson (CABI); Jude Bennison, Sam Brown (ADAS); William Kirk, (Keele University); Clare Sampson (Russell IPM); David Hall, Dudley Farman (NRI); Tom Pope, Juliane Graham, Rosie Homer, Rob Graham (Harper Adams University) Robert Irving (ADAS), Neil Audsley (Fera) Location of project: NIAB EMR, New Road, East Malling, Kent ME19 6BJ Industry Representative: Louise Sutherland, Freiston Associates Ltd. Date project commenced: 01 April 2015 Date project completed 31 March 2020 (or expected completion date) 1 DISCLAIMER While the Agriculture and Horticulture Development Board seeks to ensure that the information contained within this document is accurate at the time of printing, no warranty is given in respect thereof and, to the maximum extent permitted by law the Agriculture and Horticulture Development Board accepts no liability for loss, damage or injury howsoever caused (including that caused by negligence) or suffered directly or indirectly in relation to information and opinions contained in or omitted from this document. © Agriculture and Horticulture Development Board [2018]. No part of this publication may be reproduced in any material form (including by photocopy or storage in any medium by electronic mean) or any copy or adaptation stored, published or distributed (by physical, electronic or other means) without prior permission in writing of the Agriculture and Horticulture Development Board, other than by reproduction in an unmodified form for the sole purpose of use as an information resource when the Agriculture and Horticulture Development Board or AHDB Horticulture is clearly acknowledged as the source, or in accordance with the provisions of the Copyright, Designs and Patents Act 1988. All rights reserved. All other trademarks, logos and brand names contained in this publication are the trademarks of their respective holders. No rights are granted without the prior written permission of the relevant owners. [The results and conclusions in this report are based on an investigation conducted over a one-year period. The conditions under which the experiments were carried out and the results have been reported in detail and with accuracy. However, because of the biological nature of the work it must be borne in mind that different circumstances and conditions could produce different results. Therefore, care must be taken with interpretation of the results, especially if they are used as the basis for commercial product recommendations.] 2 AUTHENTICATION We declare that this work was done under our supervision according to the procedures described herein and that the report represents a true and accurate record of the results obtained. Michelle Fountain Deputy Head of Pest and Pathogen Ecology NIAB EMR, New Road, East Malling, Kent ME19 6BJ Signature: Michelle T Fountain................................ Date 31 Mar 2020 Report authorised by: Louise Sutherland, Industry Representative Freiston Associates Ltd. Signature ............................................................ Date .................... [Name] [Position] [Organisation] Signature ............................................................ Date ............................................ 3 CONTENTS Project title: ........................................................................................................... 1 AUTHENTICATION ................................................................................................... 3 CONTENTS ............................................................................................................... 4 GROWER SUMMARY ............................................................................................... 9 Objective 1. Develop effective biological methods for managing western flower thrips, Frankliniella occidentalis (WFT), compatible with pesticide use against SWD, improve the reliability of biocontrol of WFT with predatory mites, and develop effective approaches to use of entomopathogenic fungi (EPF) for control of WFT. ...................................................................................................... 10 Task 1.1. Determine the distribution of Neoseiulus cucumeris on commercial strawberry plants, after introduction, for WFT management. ......................................................... 10 Headline ...................................................................................................................... 10 Background and expected deliverables ....................................................................... 10 Summary of the project and main conclusions............................................................. 11 Action points for growers ............................................................................................. 13 Task 1.2. To 1) develop an easy-to-use extraction device for monitoring N. cucumeris, and WFT in commercial strawberry crops, and determine methods of using Calco Red to stain N. cucumeris in culture so they can be more easily identified in the field. ........ 15 Headline ...................................................................................................................... 15 Background and expected deliverables ....................................................................... 15 Summary of the project and main conclusions............................................................. 15 Action points for growers ............................................................................................. 17 Task 1.3 Develop effective biological methods for managing western flower thrips, Frankliniella occidentalis (WFT), compatible with pesticide use against SWD ............. 18 Headline ...................................................................................................................... 18 Background and expected deliverables ....................................................................... 18 Action points for growers ............................................................................................. 20 4 Objective 2. Refine pest control programmes on strawberry, integrating pesticides with phytoseiid mites. ......................................................................... 21 Task 2.1. Investigation of how to minimize the adverse effects of pesticides on Neoseiulus cucumeris, used as a biocontrol of WFT. .................................................. 21 Headline ...................................................................................................................... 21 Background and expected deliverables ....................................................................... 21 Summary of the project and main conclusions............................................................. 21 Financial benefits ........................................................................................................ 22 Action points for growers ............................................................................................. 22 Task 2.2. In field, effect of insecticides commonly used to target spring aphids on the establishment of N. cucumeris ..................................................................................... 23 Headline ...................................................................................................................... 23 Background and expected deliverables ....................................................................... 23 Summary of the project and main conclusions............................................................. 23 Financial benefits ........................................................................................................ 24 Action points for growers ............................................................................................. 24 Objective 3. Develop IPM compatible controls for European tarnished plant bug, Lygus rugulipennis, common green capsid, Lygocoris pabulinus, and strawberry blossom weevil, Anthonomus rubi. .................................................. 25 Task 3.1. To investigate the potential of a multi-pheromone blue sticky trapping system for Lygus rugulipennis, Lygocoris pabulinus and Frankliniella occidentalis .................. 25 Headline ...................................................................................................................... 25 Background and expected deliverables ....................................................................... 25 Summary of the project and main conclusions............................................................. 26 Task 3.2. To investigate the potential of a push-pull system for control of capsids in strawberry ................................................................................................................... 27 Headlines ...................................................................................................................