Biotechnology Bulletin ›› 2021, Vol. 37 ›› Issue (5): 117-127.doi: 10.13560/j.cnki.biotech.bull.1985.2020-1140

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Research Progress of Grape Seed Dormancy

LI Shang-yun(), WANG Chen(), XUAN Xu-xian, REN Yan-hua, FANG Jing-gui   

  1. College of Horticulture,Nanjing Agricultural University,Nanjing 210095
  • Received:2020-09-07 Online:2021-05-26 Published:2021-06-11
  • Contact: WANG Chen E-mail:1130246540@qq.com;wangchen@njau.edu.cn

Abstract:

Seed is an important material for the selection and breeding of new grape varieties,however,the efficiency of grape breeding is extremely low because of its obvious dormancy characteristics. In order to improve the efficiency of grape breeding,it is necessary to study its seed dormancy characteristics,so as to effectively break the grape seed dormancy. At present,the study of grape seed dormancy has become an important research direction in grape breeding. In view of the fact that the dormancy process of grape seeds is a complex process,and there are important differences in dormancy characteristics due to different grape populations,thus relevant research has attracted much attention. People have carried out extensive researches on dormancy theory and dormancy regulation,but so far,there has been no systematic review of grape seed dormancy research. Therefore,based on previous studies,this article reviews the grape seed dormancy type,dormancy mechanism,dormancy release and related regulation techniques for promoting seed germination. It is aimed to provide a theoretical basis for establishing a technical system to break seed dormancy and increase seed germination rate,thereby providing new ideas and directions for improving the efficiency of grape hybrid breeding and variety selection.

Key words: variety breeding, seed dormancy, hormones, regulation, mechanism