Plant Health Solutions - News Page

www.planthealth.co.uk

Last updated: 29 March 2007

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Alien invader found in Warwick garden 12 Jul 2008 Several adults and pupae of a large and unusual ladybird were recently spotted in a Warwick garden. It turns out that this is an alien species to the UK - the harlequin ladybird (Harmonia axyridis) which has been spreading north and west since its first sighting in 2004 in the South East. A native of Asia and introduced as a biological control agent, it is the most invasive ladybird on earth. Full story... Link to Harlequin Ladybird Survey
Watchdog Weather Stations 01 Jun 2008 Plant health solutions has recently invested in a new Watchdog 2000 series weather station, from the US manufacturer Spectrum Technologies. The station was supplied by UK importer Enviromonitors and comes pre-configured and ready to go. It will be used to provide accurate records of environmental data during field trials. Full story...
Managing Xanthomonas black rot in brassicas – New Project 08 Nov 2007 HDC is funding Plant Health Solutions to look at the potential of several biological treatments and disinfectants for use in the management of black rot on vegetable brassicas. Black rot, caused by the bacterium Xanthomonas campestris pv. campestris (Xcc) continues to cause sporadic problems in brassica production. The disease is seedborne, so control is mainly through the use of ‘clean’ seed. Building on the results of an earlier EC-funded project (STOVE) which identified biological control agents and a natural product with activity against Xcc, and using methods developed in previous Defra-funded projects, these BCA’s and the natural product will be investigated for their potential as either seed and/or foliar treatments for the management of black rot in vegetable brassicas. Additional disinfectant compounds identified in a previous HDC project (FV 314) will also be evaluated.
New project - lettuce bacterial diseases review 20 Oct 2007 Bacterial breakdown has been causing severe problems in outdoor crisphead lettuce for the last couple of years. As a first step in tackling the problem HDC is funding Plant Health Solutions to review the existing literature prior to committing funds to any experimental work. Several bacteria (Erwinia, Pseudomonas, Xanthomonas) are known to cause disease on lettuce. Symptoms of the most recent outbreaks are consistent with varnish spot caused by Pseudomonas cichorii. The review represents the first stage of what is envisaged as a three-stage project. Subsequent stages will be targeted at identifying the causal organisms, and epidemiology and control studies.
New herbs disease project 01 May 2007 HDC has agreed funding for a new project to look at control of two seedborne diseases of herbs: leaf spot on parsley (Septoria petroselini) and bacterial leaf blight on coriander (Pseudomonas syringae pv. coriandricola). The project, a collaboration between Plant Health Solutions and ADAS, aims to improve understanding of the relationships between seed infection levels and disease development . Options for seed treatment and disease controls in the field will also be examined to provide integrated strategies for disease management.

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