不同母枝修剪长度对赤霞珠葡萄生长发育的影响

EFFECT OF DIFFERENT LENGTH OF MATERNAL BRANCH PRUNED ON DEVELOPMENT OF GRAPE VARIETY CABERNET SAUVIGNON

为了给赤霞珠葡萄的修剪管理提供理论依据,调查研究了不同母枝剪留长度对其生长发育的影响。结果表明:高密度栽植双篱架赤霞珠葡萄,栽植第1年修剪时宜适当长留,母枝粗度0.70～0.79cm时宜剪留约70cm;母枝粗度0.80～1.00cm时宜剪留约80cm。2年生时,母枝粗度0.70～1.20cm之间,以剪留4～5节综合效果较好,如果母枝量不足,则可长剪到10～11节。3年生时,母枝粗度0.80～1.25cm之间,剪留长度以3～6节综合效果较好,即使是较弱母枝剪留2节的效果也不好,粗壮母枝亦可适当长剪。

The effect of different length of maternal branch pruned on the development of grape varietyCabernet Sauvignon was investigated in order to get the theoretical basis for pruning maternal branch of this grape variety The result showed that in the first year the maternal branch cultured in high density was needed to be longer The pruning length was decided by the thickness of the maternal branch, it was about 70 cm and 80 cm when the maternal branch was 070～079 cm thick and 080～100 cm thick respectively But in the second year it was better to leave 4～5 nodes of the maternal branch when it was 070～120 cm thick If there were no enough maternal branches, the 10 or 11 nodes can be left to grow In the third year it was appropriate to leave 3～6 nodes of maternal branch in total if it was 080～125 cm thick Even though the branch was weak, 2 nodes left were not very good for growing If the branch was strong the maternal branch can be a little longer 