Brassica growers warned of problem year for peach-potato aphid

This spring's first flights of peach-potato aphids (Myzus persicae) have been two to four weeks earlier than average, pointing to potentially high numbers in brassica crops this summer.

Andy Richardson - image:HW
Andy Richardson - image:HW

Years of early first flight often develop into years of high numbers as aphids are able to multiply through more generations. The dry, warm conditions that favour aphid multiplication are equally conducive to whitefly.

Allium & Brassica Centre joint managing director Andy Richardson is urging growers to tackle significant infestations of both pests this summer.

"Robust programmes will need to be built around use of the insecticide Movento (spirotetramat) which controls all stages in the generation of aphids and whitefly and inhibits their ability to produce offspring, effectively breaking the life cycle and stopping the next generation," he said.

"It has to be applied when plants are actively growing and pests are actively feeding which generally means up to the end of September. Using Biscaya (thiacloprid) between the two permitted Movento applications will provide further suppression and be complimentary for resistance management."


Have you registered with us yet?

Register now to enjoy more articles and free email bulletins

Sign up now
Already registered?
Sign in

Read These Next

Does the future of urban farming lie in meeting wider sustainability goals?

Does the future of urban farming lie in meeting wider sustainability goals?

Labour crisis update: How bad has the shortage been this season?

Labour crisis update: How bad has the shortage been this season?

Grower sundries - Growing media for edibles

Grower sundries - Growing media for edibles

Better control, efficiency and productivity are among the benefits offered by the latest products, Gavin McEwan discovers.


Follow us on:
  • Facebook
  • LinkedIn
  • Twitter
  • Google +

HORTICULTURE WEEK BUSINESS Awards 2019

The Horticulture Week Business Awards is now open for entries

Horticulture Week Top UK FRUIT PRODUCERS

See our exclusive RANKING of UK Fruit Producers by annual turnover plus the FULL REPORT AND ANALYSIS.

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