應用疏芽方法調節葡萄新梢生育

Regulating the Shoot Growth of Grapevine by Bud and New Shoot Thinning

林嘉興(Jia-Hsing Lin) ； 張林仁(Lin-Ren Chang)

《臺中區農業改良場特刊》 14號 (1988/12) Pp. 197-203

摘要

葡萄萌芽後新梢進入生長階段，容易在同一結果母枝上之新梢呈現強弱不同之生長勢。結果母枝末端之新梢展葉後生長勢強，容易形成徒長枝而影響結果；基部新梢生長勢弱，花穗短小，結果後無法達到適當的生育葉數，果粒小、品質低。故於萌芽後應將生長過強及基部弱小枝摘除，使結果母枝上的新梢能均勻生長，便於調節開花前的生育及果實生長期的葉果比例。但新梢生長期疏芽過量容易造成枝條的徒長，尤其是密植園受樹型擴展限制而進行強剪，而且基肥、氮肥施用過量時，若結果母枝留數較多，疏芽過早或留枝數過少，都會使開花期枝條無法停心，導致結果不良現象。故必須依田間作業及新梢生育狀態，決定疏芽時期的早晚與留枝數，以平衡全樹冠內新梢生長均勢，才能達到疏芽之目的。

並列摘要

After bud break, the new shoots from a same cane usually have different growth vigor. The shoot at the terminal end of the cane has strong vigor and turns into a watersprout which will set poorly. The shoot at the basal end has weak vigor which has short flower cluster, it can not produce enough leaves for berry growth so the berries are small and bad quality. Therefore, the new shoots with strong or weak vigor must be thinned right after bud break to let the shoots grow uniformly. But it may cuase outgrowth of the new shoots if the thinning amount is too much. Therefore, the thinning time and the amount of remaining shoots must according to the vineyard operation and the growth condition of the new shoots.