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Three-spray programmes of the two newer fungicides, Signum and Frupica, gave better control of Botrytis than standard Elvaron Multi. Signum proved to be the most effective product tested, giving good (93%) control of pre-harvest Botrytis within the bush and the best yield response, more than doubling the yield of the untreated. Signum was the only treatment which significantly reduced post-harvest Botrytis fruit rots.
The objectives of this project were to: