Project Title: Improving Integrated Pest and Disease Management in Tree Fruit
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Project title: Improving integrated pest and disease management in tree fruit Project number: TF223 Project leader: Dr Michelle Fountain NIAB EMR Report: Annual report, March 2020 (Year 5) Previous report: Annual report, March 2019 (Year 4) Key staff: Dr Angela Berrie, Dr Chantelle Jay, Dr Lucas Shuttleworth, Dr Mat Papp-Rupar, Dr Tom Passey, Dr Bethan Shaw, Dr Glen Powell, Adam Walker, Francesco Maria Rogai, Celine Xavier e Silva, Umberto Rosalina, Zoe Clarke, Gabriele Antoniella, Jacob Lowe, Molly Perry- Clark, Ben Brough, Piroska Mohay, Maddie Cannon, Dr Greg Deakin, Dr Phil Brain (NIAB EMR) Mr Chris Nicholson, Ms Sonia Newman (ADAS) Prof David Hall, Dudley Farman (NRI) Dr Rob Jackson (UoR) Location of project: NIAB EMR (Lead), RSK ADAS, Natural Resources Institute, University of Reading. Industry Representative: The programme management group (PMG) Nigel Kitney Also, Jeremy Linsell, Nigel Jenner, Tom Hulme and Rob Saunders (AHDB TF Chairman) Date project commenced: 01/04/2015 Date project completed: 31/03/2020 Agriculture and Horticulture Development Board 2020. All rights reserved 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. Agriculture and Horticulture Development Board 2020. All rights reserved 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 Project leader, Deputy Head of Pest and Pathogen Ecology NIAB EMR Signature ............................................................ Date 16 June 2020......................... Nigel Kitney Industry Representative Signature ............................................................ Date ............................................ Report authorised by: Rachel McGauley AHDB Signature ............................................................ Date ......................................... Agriculture and Horticulture Development Board 2020. All rights reserved Table of Contents GROWER SUMMARY ............................................................................................. 10 Objective 1. Surveillance ....................................................................................... 10 Headline ...................................................................................................................... 10 Background and expected deliverables ........................................................................ 10 Summary of the project and main conclusions ............................................................. 10 Overall conclusions from Objective 1 Surveillance in this project ................................. 15 Financial benefits ......................................................................................................... 15 Action points for growers .............................................................................................. 16 Objective 2. Neonetria Canker of Apple ................................................................ 17 Headline ...................................................................................................................... 17 Background and expected deliverables ........................................................................ 17 Summary of the project and main conclusions ............................................................. 17 Key conclusions from Objective 2 Neonectria canker over the entire project ................ 20 Financial benefits ......................................................................................................... 20 Action points for growers .............................................................................................. 20 Objective 3. Apple Foliar Diseases........................................................................ 21 Headline ...................................................................................................................... 21 Background and expected deliverables ........................................................................ 21 Summary of the project and main conclusions ............................................................. 21 Financial benefits ......................................................................................................... 25 Action points for growers .............................................................................................. 25 Objective 4 - Stone Fruit Diseases ........................................................................ 27 Headline ...................................................................................................................... 27 Background and expected deliverables ........................................................................ 27 Summary of the project and main conclusions ............................................................. 28 Financial benefits ......................................................................................................... 29 Action points for growers .............................................................................................. 30 Agriculture and Horticulture Development Board 2020. All rights reserved Objective 5 – Optimise spray coverage for key pest and disease targets ............. 31 Objective 6 – Codling, Tortrix, and Blastobasis Moths .......................................... 32 Headline ...................................................................................................................... 32 Background and expected deliverables ........................................................................ 32 Summary of the project and main conclusions ............................................................. 33 Financial benefits ......................................................................................................... 37 Action points for growers .............................................................................................. 38 Objective 7.1 Improving the reliability of natural predation of pests ...................... 39 Headline ...................................................................................................................... 39 Background and expected deliverables ........................................................................ 39 Summary of the project and main conclusions ............................................................. 39 Financial benefits ......................................................................................................... 41 Action points for growers .............................................................................................. 43 Objective 7.2 Determining pear sucker/predator thresholds for spraying .............. 44 Headline ...................................................................................................................... 44 Background and expected deliverables ........................................................................ 44 Summary of the project and main conclusions ............................................................. 44 Financial benefits ......................................................................................................... 45 Action points for growers .............................................................................................. 45 Objective 8.1 - Apple fruit rhynchites ..................................................................... 46 Headline .....................................................................................................................