Response of ‘Red Globe’ Grape to Different Form of Winter-pruning(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Author(s):: LI Xiaolong1; XI Zhumei2; ZHANG Zhenwen1; 2; (1.College of Horticulture，Northwest A&F University，Yangling，Shaanxi 712100;2.Shaanxi Engineering Research Center for VitiViniculture,Yangling,Shaanxi 712100)

Keywords:: ‘Red Globe’ grape; winter-pruning; different nodes; germination rate; fruiting coefficient

Abstract:: Taking‘Red Globe’ grape as material，the germinantion rate，ratio of branches to shoots，fruiting coefficient and the inflorescence position of shoots from canes with one，two，three，four or five buds were investigated.A comprehensive investigation was carried out to determine the response of ‘Red Globe’ grape planted in Linwei District of Weinan city to different forms of winter-pruning，which could provide a theoretical basis for the winter simplified pruning.The results showed that the winter buds on different nodes had strong capability to be floral，especially the buds from low nodes.The germination rate and ratio of branches to shoots of‘Red Globe’decreased from base to the top buds of canes.The germination rate of buds on long canes pruning was lower than that on short canes pruning.These easily made fruiting position shift up.There was no significant effect of buds number in canes on fruiting coefficient of shoots and inflorescence was mainly located on 3-5th node of shoots.Results indicated that ‘Red Globe’ was suitable for spur (short canes) pruning and it could ensure yield through increase of spur amount.

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Last Update: 2015-08-18