Amistar Top can cure Alternaria in carrots

Carrot plots treated with Amistar Top did best against Alternaria leaf blight in fungicide trials run by Syngenta in conjunction with Agrovista at Goole, East Yorkshire.

"The purpose of the trials was actually to focus on options for control of Sclerotinia," said Syngenta Crop Protection field technical manager Jon Ogborn.

"Sclerotinia has been a severe problem this year because of the wet weather, particularly as you go further north. For instance, Scotland has been very badly hit. But the trials were drilled late and there wasn't much Sclerotinia, although we did see low levels of Alternaria."

Amistar Top, which contains difenoconazole and azoxystrobin, has curative and protective action. Ogborn said that plots sprayed with three approved competitor products - Signum, Nativo 75WG and Folicur - looked much the same but "were all beaten by Amistar Top".

Syngenta is also pursuing approval on carrots for its fungicide Switch. Its two active ingredients, cyprodinil and fludioxonil, are novel in their mode of action for carrot crops, giving growers a better chance of managing the risk of disease resistance.

"The concern for growers is that of the four main products currently used for Sclerotinia control, three are strobilurin-based and three contain triazoles," said Ogborn.


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

Can UK fresh produce come out of Brexit ahead?

Can UK fresh produce come out of Brexit ahead?

UK production horticulture can become more profitable under one possible Brexit scenario, while other more drastic scenarios will lead to only minor losses in profitability, in contrast to other farming sectors, according to a new report by levy body AHDB with Agra CEAS Consulting.

Business Planning - Staff are your greatest asset

Business Planning - Staff are your greatest asset

An effective strategy to retain staff is the best way for any business to avoid a potential recruitment crisis, Neville Stein advises.

How should agri-tech research for fresh produce function in a post-Brexit UK?

How should agri-tech research for fresh produce function in a post-Brexit UK?

One area affected by the uncertainty around Brexit will be the ongoing development of agricultural technology, seen by many as essential to retain Britain's productivity and competitiveness in fresh produce along with other farming sectors.


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