三番茶不摘採園における秋整枝時期が冬芽の生育に及ぼす影響

概要

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Effect of time of autumn skiffing on the growth of winter bud and new shoot of the 1 st crop were examined. In tea bush where the 3 rd crop had not been plucked, more lateral buds compared to apical buds were recognized on the canopy surface after the autumn skiffing. Both the lateral and apical buds continued to grow until early December. However, the lateral buds were continuously smaller than the apical buds. The earlier the time of skiffing, the larger buds and the more leaf primordia were produced until the winter. The growth of the new shoot of 1 st flush was also superior as the time of autumn skiffing was earlier. Thus, well -developed winter buds brought about the rapid growth of the new shoot of 1 st flush. These trends were more marked on the lateral buds. The present results indicated that the time of autumn skiffing would have more influence on the growth of the new shoot of 1 st flush when the 3 rd crop had not been plucked.