PGRO Pulse Crop Bulletin

Becky Ward, PGRO principal technical officer, advises on disease control...

PGRO Bean downy mildew 300x198Winter beans

There are reports of severe chocolate spot in winter bean crops, and the current unsettled weather will encourage the disease. Disease pressure is very high and crops should be sprayed to protect new growth using full rates of fungicides. Reduced rates will not give adequate protection.

PGRO Chocolate spot aggressive 204x300Spring beans

There have been reports of downy mildew in spring bean crops, again encouraged by the cool, unsettled weather. Plants develop pale patches on the surface, with grey-mauve fluffy mycelium on the underside of leaves. Crops should be treated when a threshold of 25% of the tops of plants are infected.

For further information, please contact Sue Bingham (01780 782585 or This email address is being protected from spambots. You need JavaScript enabled to view it.) in the first instance – she will put you in touch with the relevant member of the PGRO team or contact Ahead PR on 01904 634040 or This email address is being protected from spambots. You need JavaScript enabled to view it..

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