The conditions are expected to reduce risk of phytophthora a disease first discovered in 1997 and again in 2002 which reduces yield and can spread even after harvesting. But the high temperatures this week are expected to result in volumes on a par with last year, if not higher, according to Victor Aveling, chairman of the Asparagus Growers Association which held its conference in Peterborough on Wednesday.

Nevertheless, the disease first discovered in California and New Zealand is a worry to the industry. An AGA survey covering 50 per cent of the acreage showed phytophthora is present in 89 per cent of the sample.

Aveling was amongst those hit last year when a wet spring reduced his volume from its 10-year average by 20 per cent.

Adas scientist Kim Green told delegates that it could reach epidemic proportions. At present the UK is not allowed to treat the crop despite the fact treatment is possible. An application by the Horticultural Development Council to the Pesticides Safety Directorate for off-label approval has been stalled but is being reviewed.

AVA also has plans to launch a seasonal promotional campaign this year. Another bonus if the disease does become evident is that acreage is continuing to rise.

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