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Completed project

New in-field treatment solutions to control fruit fly (2) (VG13042)

Key research provider: Applied Horticultural Research
Publication date: Monday, July 3, 2017

What was it all about?

Looking at ways to manage and monitor fruit fly in vegetable crops, this project produced the Fruit Fly Management for Vegetable Growers guide that brings together new research and existing information into a single handy resource for growers.

The new research carried out by the project focussed on two previously untested methods for managing and monitoring fruit fly in vegetables: netting and repellents; and attraction with UV light.

In brief…

  • Floating row covers proved both a visual and physical barrier to fruit fly, and also improved yield and quality of capsicums in the trials (though yield and quality was unaffected in the other crop involved in the research, chilli)

  • Netting that was draped over crops and secured with soil effectively excluded flies in the tested crops

  • Although Vent Net has a large mesh size that allows flies to crawl through, it still significantly reduced entry of flies into the crop – cutting fruit fly infestation by 98 per cent

  • Aphid Net reduced fruit fly infestation by 99 per cent in the project’s trials, but other pests inside the crop increased

  • VegeNet was completely effective in blocking flies while it remained intact and sealed to the ground

  • Surround kaolin clay applied to chilli plants seemed to deter fruit flies, with further examination required in this area

  • A small field trial was conducted using a prototype UV light trap, with the use of the light doubling the number of flies captured on yellow sticky traps and with more females captured than males

  • The researchers suggest a combination of UV light with another attractant, such as protein bait or an odour lure, could provide better results than either method used alone, with further work required in this area.

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Details

ISBN:
978-0-7341-3929-0

Funding statement:
This project has been funded by Hort Innovation

Copyright:
Copyright © Horticulture Innovation Australia Limited 2017. The Final Research Report (in part or as whole) cannot be reproduced, published, communicated or adapted without the prior written consent of Hort Innovation (except as may be permitted under the Copyright Act 1968 (Cth)).