Effect of Leaving Four Buds Pruning on Flower Bud Differentiation and Carbon-Nitrogen Metabolism of Grape(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2013年19期

Page:

15-18

Research Field:

Publishing date:

Info

Title:

Effect of Leaving Four Buds Pruning on Flower Bud Differentiation and Carbon-Nitrogen Metabolism of Grape

Author(s):

GAO Xiu-yan¹; XIE Hong-gang²; LI Kun¹; LIU Yan-yan¹; LIU Guo-cheng¹

1.College of Horticulture，Shenyang Agricultural University，Shenyang,Liaoning 110866；

2.Liaoning Economic Management Cadre College，Shenyang，Liaoning 110122

Keywords:

grape; leaving four buds pruning; flower bud differentiation; carbon-nitrogen metabolism

PACS:

S 663.1

DOI:

-

Abstract:

Taking 1-year-old ‘Centennial Seedless’ grape as material，the variation of flower bud differentiation and nutrient content in leaf were studied through leaving four buds pruning after full bloom.The results showed that the winter buds accessed to floral organ differentiation rapidly after pruning，of which，treatment Ⅱ(pruning 30 days after anthesis on shoots） and Ⅲ(pruning 40 days after anthesis on axillary shoot）were better than the other treatments，in which above 50% winter buds entered the floral organ differentiation stage after 5 days of treatment.Soluble sugar contents in leaf increased，and total nitrogen content decreased.

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