In the fields,satisfactory effects were achieved in controlling the disease by successive spray with Bordeaux mixture(1%)or 40% thiram(1:600)three times at ten-day intervals at the beginning of spring cycle shoot formation.

• 用1:1:100波尔多液和600倍40%25的福美双液于春梢抽发期每10天左右连续喷3次；其防治效果较好.