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News and Articles

New Project on Bacterial Plant Diseases

04 Dec 2019

Announcing a new three-year project on the management of bacterial plant diseases. The primary aim of the project is to improve the management or control of high priority bacterial diseases of horticultural crops through the use of healthy starting material.… Read more

Carrot Field Storage: Presentation at MohrenForum 2019

18 Jan 2019

Handout of presentation on Carrot Field Storage at the 2019 MöhrenForum in Verden, Germany is now available to download. Carrot field storage handout

Review of Bacterial Plant Diseases

15 Oct 2018

The handout of our presentation on Bacterial Plant Diseases at the BCPC Diseases Review at Cambridge on 12th October 2018 is now available on the downloads page.… Link to the handout

How clean is your (coriander) seed?

26 Sep 2017

Concerned about bacterial blight on coriander? A few thoughts and notes following recent outbreaks of coriander bacterial blight caused by Pseudomonas syringae pv. coriandricola in the UK. Read more

New Lab Up and Running

09 May 2017

Our new lab in Harbury nr Leamington Spa is now up and running, following our move from Ryton at the beginning of the year. We are happy to receive plant heatlh clinic samples and seed health testing samples at the new place. Contact us...

Carrot field storage

28 Feb 2017

We are having an open afternoon from 2-4 pm at the Yorkshire trial site. A chance to see the different treatments and their impact on quality first hand. Click here for details

Carrot field storage - New report

17 Jan 2017

Our report on the first year of AHDB-Horticulure project FV 398b that is loolking at alternative 'insulation' materials for carrot field storage is now available from the AHDB-Horticulture website. Download the report...

Onion neck rot report

15 Jun 2016

Our report on onion neck rot pathogens and seed treatments can now be downloaded from the HDC website. Around 26% of 2015 commercial bulb onion seed lots were found to be infested with neck rot. Both of the main neck rot pathogens Botrytis aclada and B. allii were detected, including from fungicide-treated seed.… Download the report...

Carrot field storage

01 Sep 2015

Most UK carrots for winter/spring use are stored in situ in the field, covered with a thick layer of straw insulation.… Read more

Onion neck rot: seed infection, pathogens and treatments

01 Feb 2015

HDC is funding Plant Health Solutions to investigate seed-borne neck rot in onions. Neck rot can cause significant losses in stored onions. It is mainly caused by two species of Botrytis: B. aclada, B. allii; that were previously lumped together as one species (B. allii).… Read more

New HDC Bacterial Canker Project

01 May 2014

Bacterial canker is a destructive disease of plums and cherries, caused by two distinct pathovars of Pseudomonas syringae: pv. morsprunorum (Psm) and pv. syringae (Pss). Psm is host specific to Prunus spp., whereas Pss has a much wider host range. Read more

Bacterial canker of stone fruit - New factsheet

07 Feb 2014

Bacterial canker is a destructive disease of cherries and plums, potentially killing trees. It is caused by two distinct pathovars of Pseudomonas syringae: pv. morsprunorum and pv. syringae. We have produced a new factsheet targeted at its management in the nursery situation that has recently been published by the HDC. Download from the HDC

Bacterial diseases of herbaceous perennials - New Factsheet

31 Jan 2014

A new factsheet on bacterial diseases of herbaceous perennials has recently been published by the HDC. Bacterial diseases can cause significant losses to growers of herbaceous perennials, but often go unrecognised until it is too late for effective control.… Download from HDC...

Onion storage rots caused by Burkholderia gladioli

20 Nov 2013

The most common cause of bacterial rots in stored onions in the UK seems to be Burkholderia gladioli pv. alliicola (formerly called Pseudomonas gladioli pv. alliicola). Problems are perceived to be worse in crops grown from sets, and in wet seasons.… Download the handout

Bacterial diseases of herbaceous perennials - New report

11 Oct 2013

Our final report for HDC project HNS 178 on bacterial diseases of herbaceous perennials is now available on the HDC website. Highlights include recommended health standards for Xanthomonas in Erysimum cuttings / plug plants and Pseudomonas syringae pv. delphinii in Delphinium seed.… Download the report

Biological control of onion neck rot

18 Sep 2013

The handout of a new poster describing the latest results from a project to identify commercial biological seed treatments for onion neck rot is now available to download. The disease is caused by Botrytis aclada (allii) and has been reported to cause up to 48% losses in stored bulbs.… Download the handout

Bacterial canker of plum and cherry - new report

05 Jul 2013

Bacterial canker is probably the number one killer of plums and cherries. It is caused by two distinct pathovars of Pseudomonas syringae: pv. morsprunorum and pv. syringae. As well as stem cankers, they also cause leaf spots, shot-holes, bud death, shoot diesback and flower blights.… Read more Link to the full report

Disinfection of pruning tools

12 Feb 2013

Research by Plant Health Solutions on practical methods for disinfection of pruning tools in the field is highlighted in the February edition of HDC News. The research tested a number of options for reducing the potential transfer of the plum and cherry bacterial canker pathgoen (Pseudomonas syringae pv.… Link to the HDC News

Elsoms Onion Conference

07 Nov 2012

Steve Roberts of Plant Health Solutions will be presenting some of the latest work on onion storage rots caused by the fungus Botrytis aclada/alli and the bacterium Burkholderia gladioli pv. alliicola at the Elsoms Onion Conference.

HDC Website upgrade breaks links

09 Aug 2012

Due to an "upgrade" to the HDC website, many of the links to reports and documents are now broken. We apologise for this inconvenience, but it is beyond our control. We will endeavour to correct as time permits.