Effect of the Length of the Parent Shoot Pruning on the Germination and Bear Fruit of the ‘Gold Finger’ Grape(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of the Length of the Parent Shoot Pruning on the Germination and Bear Fruit of the ‘Gold Finger’ Grape

Author(s):: YU Yong1; MENG Jiangfei1; 2; XI Zhumei1; 2; ZHANG Zhenwen1; 2; (1.College of Enology，Northwest Agriculture and Forestry University，Yangling，Shaanxi 712100；2.Shaanxi Engineering Research Center for Viti-Viniculture，Yangling，Shaanxi 712100）

Keywords:: ‘Gold Finger’ grape; pruning; germination rate; fruit branch rate; flower bud differentiation

Abstract:: Taking grape variety ‘Gold Finger’ as test material，the effects of different canes length(single bud，double buds，three buds，four buds) pruned on fruit cane germination rate，fruit branch rate，fruiting coefficient and position of flower bud differentiation for grape were evaluated.The results showed that，under different pruning ways，with the increasing of length of trim，it had a significant downward trend for fruit cane germination rate and fruit branch rate.Compared with single and double buds pruning，three and four buds pruning could get a low fruit cane germination rate，which would easily move up the setting fruit position and shorten the life of tree.There was no significant influence on the fruiting coefficient in different pruning way.Moreover，inflorescence was distributed in the second to fifth node of the fruit cane，but mainly in the third to the fourth node.It could be concluded that short shoot pruning methods(1-2 buds pruning) could be applied in winter pruning of ‘Gold Finger’，and some canes number could be added reasonably to achieve a good yield next year.

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Last Update: 2016-07-14