A fungus disease which attacks a wide range of plants, both outdoors and in the, especially in damp, cold weather. Lettuce, tomato, grapes, strawberry, , gooseberry, cyclamen and roses are among the crops attacked. Symptoms are grey, fluffy moulds, which turn black or brown later. In the , careless ventilation can often lead to botrytis infection. Botrytis is by no means easy to keep in check once it has gained a foothold. Captan, thiram and salicyanilide sprays have been used as preventive treatments and manufacturers’ literature should be consulted to obtain the latest recommendations.