Farming
Sclerotinia risk alerts return
WITH oilseed rape (OSR) about to enter the critical flowering period, AHDB has restarted its sclerotinia infection risk alerts service for 2019.
The web-based service uses a simple traffic-light system to highlight the UK areas where weather conditions are currently, or are forecast to be, suitable for the sclerotinia pathogen to infect crops.
Covering other key infection information, such as spore pressure data, the service can help focus monitoring efforts and guide the application of protectant fungicides.
Each spring, warm (>10°C), moist soils bring an end to Sclerotinia sclerotiorum’s overwintering stage in the soil, with the development of brown spore-releasing structures. Carried in the wind, the spores can land on OSR, feed on petals and germinate.
Even where spores are present and food is sufficient, conducive weather is still required for infection to occur. OSR is at the greatest risk of infection when relative humidity is greater than 80% and air temperatures are at, or above, 7°C for more than 23 hours.
The infection risk alert service uses observed daily weather data, from the Met Office and Agrii, and forecast data, from Iteris ClearAg, to highlight infection risk for the last 24 (observed) and next (forecast) 72 hours.
For the first time, the service is powered by the AHDB WeatherHub, which means many more sites can be included in the alerts. A traffic-light system is used to mark each UK site as either:
Green = no infection risk alerts forecast
Amber = conditions forecast to come close to triggering infection risk alerts
Red = infection risk alerts forecast
Available for each site, charts show an hour-by-hour breakdown of the observed and forecast sclerotinia infection risk. The observed data in the chart highlights whether any infection risk periods have already occurred.
Commentary, written by ADAS pathologists, is also published as part of the service. This highlights any regional infection risk alerts and near misses, alongside information on crop growth stage. With co-funding and support from BASF, it also provides information on sclerotinia inoculum pressure, based on weekly spore trap (six sites) and petal test data.
Catherine Garman, who manages disease research at AHDB, said: “Fungicides have little or no activity against sclerotinia in a curative situation. This is why they must be applied as a protectant, before infection occurs. Ideally, where disease pressure merits it, any spray should go on just before an infection risk alert. Going on earlier than this may increase the need for a follow-up treatment.”
The optimum timing for a single spray is, usually, just before mid-flowering on the main raceme and prior to significant petal fall. Persistence of full dose fungicides is approximately three weeks. If a spray is made earlier or if the flowering period is extended, a second spray may be required to protect the crop, if the weather conditions are conducive for infection.
No resistance to fungicides has been reported in the UK for sclerotinia. However, strains with decreased sensitivity to SDHIs and MBCs have been reported in France. Mixtures, co-formulated products, and products with a different mode of action should be used across the whole fungicide programme to manage resistance risks.
The sclerotinia infection risk alerts run during the main flowering period – ahdb.org.uk/sclerotinia
Business
Holiday lets allowed to stay at Narberth dairy farm
A CALL for a Pembrokeshire dairy farm to keep two “alternative” holiday pods sited without permission as a way of diversifying in an uncertain industry has been given the go-ahead.
In an application recommended for approval at the December meeting of Pembrokeshire County Council’s planning committee, Vaynor Farm Ltd sought retrospective permission for the siting of two self-catering holiday accommodation pods at The Cart House, Vaynor Farm, Bethesda, near Narberth as part of a farm diversification enterprise.
It was before committee members as it was recommended for delegated conditional approval by senior officers despite being against the development plan.
Previous retrospective schemes, for two self-catering pods along with an application to retain a shepherd hut accommodation pod at another farm, a part of the Vaynor Farm farm enterprise, were refused in 2023 and 2025, the latter due to “an unjustified and harmful impact on the character and appearance of the open countryside”.
Detailing the current application, an officer report for members said the pods: Vaynor Farm Pod within the garden of The Cart House, and The Paddock Pod, on the edge of a small paddock, were constructed off-site and have been transported to their current locations, with external decking, hot tubs, a barbecue area and car parking provided for each pod.
It added: “A business plan has been submitted with the application, which explains that due to uncertainties associated with dairy farming, the applicant has sought to diversify the farm enterprise to incorporate tourism accommodation.
“The application makes the case that the proposed development represents farm diversification. It is acknowledged that the development has resulted in the provision of an alternative type of holiday accommodation for which it has been demonstrated there is a demand, contributing to the diversity and quality of accommodation available within the county and supporting an existing farm business, with consequent economic and social benefits.
“Evidence has been provided that demonstrates the extent to which the pods have provided income which has been used to support the farm business.
“However, officers consider that should planning permission be granted, a [planning obligation] will be necessary to ensure that the accommodation pods continue to support the farm business and are not separated from it at some future point in time.”
Delegated conditional approval limiting the use and occupation of the self-catering accommodation pods to short term holiday use only was moved by Cllr Brian Hall and unanimously backed by committee members.
Farming
Eglwyswrw bungalow farming condition dropped after 33 years
AN AGRICULTURAL worker-only condition imposed when a Pembrokeshire bungalow was built more than 30 years ago has been removed following a request to county planners.
In an application recommended for approval at the December meeting of Pembrokeshire County Council’s planning committee, Pamela Griffiths sought permission for the removal of a previously imposed agricultural worker-only condition for bungalow Maes Yr Awel, Eglwyswrw, near Crymych.
Members heard an application for a certificate of lawfulness allowing the applicant to stay at the bungalow, there having been a breach of that condition in excess of 10 years, had been granted earlier this year, the latest application seeking to remove the condition entirely.
An application for a certificate of lawfulness allows an applicant to stay at a development if they can provide proof of occupancy over a prolonged period.
A supporting statement for the earlier certificate of lawfulness said: “The dwelling was constructed in 1992 and has been occupied in breach of the occupancy restriction since February 2014, on the death of the applicant’s mother.”
It added: “The dwelling was substantially complete in 1992 and first occupied 28th January 1992. Mr EC and Mrs ME Griffiths were farmers and were the original occupiers of the property, together with their daughter, Ms P Griffiths, the applicant.
“There is no dispute that the condition was originally complied with by the applicants’ mother and father, but on the death of the applicants’ parents the applicant became the sole resident and has not been solely or mainly employed in agriculture at any time.”
A report for committee members said the removal of the condition was now recommended as the site benefitted from the lawfulness certificate and the agricultural condition remaining was “no longer considered reasonable”.
Approval was moved by Cllr Brian Hall and unanimously supported by committee members.
Farming
‘Poor decision’ New Creamston housing condition overturned
A “POOR DECISION” agricultural worker-only imposed nearly 40 years ago has been removed from a Pembrokeshire property by county planners.
In an application recommended to be approved at the December meeting of Pembrokeshire County council’s planning committee, Tim and Cathy Arthur sought permission for the removal of an agricultural worker-only condition at New Creamson, Creamston Road, near Haverfordwest.
An officer report for members said the agricultural condition was imposed when the dwelling was built in 1988/89, with a later certificate of lawful development granted this year after it was proven the site had been occupied for more than 10 years on breach of that condition.
An application for a certificate of lawfulness allows an applicant to stay at a development if they can provide proof of occupancy over a prolonged period.
Speaking at the meeting, agent Andrew Vaughan-Harries of Hayston Developments & Planning Ltd told members the original agriculture-only condition was a poor decision by planners back nearly four decades ago.
“When this application was made in 1988-89 we go back to the Preseli District Council – I was still in school – it was only a 50-acre farm, it should never have been approved as it shouldn’t have been viable.
“The current applicants have owned it for the last 20 years; they’ve tried to grow apples but couldn’t make a go of it and then went in to holiday lets. We can’t enforce redundant conditions from bad decisions made years ago.”
Approval was moved by Cllr Brian Hall and unanimously supported by committee members.
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