Workshop gives advice on crop protection

Growers were offered advice on how to increase the protection of their crops and to improve their soil at an HDC/ADAS integrated crop management workshop last week.

More than 40 visitors attended the day, which was led by ADAS consultants Andrew Hewson, Erika Wedgwood and John Buxton at Joseph Rochford Gardens, Hertfordshire. It followed two earlier events in Sussex and Herefordshire.

Hewson said the workshops were needed because "if the pesticide proposals being considered by the EU come to pass we will lose a lot of actives we currently use".

He added: "We have to learn to work without certain products and look at alternatives such as Compost Tea and SP Invigorator."

Hewson recommends a joined-up approach encompassing nursery hygiene, cultural and biological control of pests, weeds and diseases, regular crop monitoring, minimal use of compatible pesticides and the use of alternative products.

Entomologist John Buxton said it was exciting that a new biological control may have been found for carnation tortrix moth and apple moth. He has been working on an HDC project that has shown that Trichogramma wasps can parasitise the moths' egg masses, so that a wasp rather than a caterpillar emerges.

Trichogramma can be introduced on cards like Encarsia formosa, but Buxton plans to carry out a wider-scale trial to work out how the wasps can be most effective.

Ben Woolsey from equipment manufacturer and distributor Martin Lishman demonstrated the "redefined" Compost Tea unit, which is exclusively available in the UK and Ireland from the Lincolnshire-based company.

Hewson said the organic plant stimulant, which is created by brewing humic compost into a liquid containing living microorganisms, "bolsters against plant diseases".

"I know around 60 growers who are using it. They have found that they have been able to reduce fungicide use by around 75 per cent."

Abi Raiment of Dove Associates championed the use of soil improvers Caliente Mustard and BioFence. Caliente Brand Mustard is a green manure and biofumigates the soil by releasing compounds from Brassicaceous plant tissues which suppress soil-borne pests and pathogens. BioFence is a pelleted organic fertiliser also derived from a brassica crop. Both are available from Surrey-based Plant Solutions.

Have you registered with us yet?

Register now to enjoy more articles and free email bulletins

Sign up now
Already registered?
Sign in

Before commenting please read our rules for commenting on articles.

If you see a comment you find offensive, you can flag it as inappropriate. In the top right-hand corner of an individual comment, you will see 'flag as inappropriate'. Clicking this prompts us to review the comment. For further information see our rules for commenting on articles.

comments powered by Disqus

Read These Next

What is being done to develop biocontrols against orchard pests?

What is being done to develop biocontrols against orchard pests?

The SIVAL horticultural trade show in Angers, France, this week (16-18 January) heard about several initiatives to promote more environmentally sustainable orchard growing.

What does the 25-year plan mean for growers?

What does the 25-year plan mean for growers?

Published on 11 January, the Government's long-awaited 'A Green Future: Our 25 Year Plan to Improve the Environment' brings together a number of policy strands into a single framework that will impact many sectors, not least fresh produce, over the coming decades.

What will 'embracing change' mean for horticulture?

What will 'embracing change' mean for horticulture?

At the Oxford Farming Conference, whose theme was "embracing change", Defra secretary Michael Gove expanded on what a post-Brexit UK agriculture and land-use policy will look like and how it will impact farmers and growers.

Follow us on:
  • Facebook
  • LinkedIn
  • Twitter
  • Google +
Horticulture Jobs
More Horticulture Jobs

Pest & Disease Tracker bulletin 

The latest pest and disease alerts, how to treat them, plus EAMU updates, sent direct to your inbox.

Sign up here

Professor Geoffrey Dixon

GreenGene International chair Geoff Dixon on the business of fresh produce production

Read Professor Geoffrey Dixon