近年来,随着甜樱桃生产的迅猛发展,甜樱桃砧木问题也越来越突出。考特(Ｃｏｌｔ)是目前世界上应用较广的甜樱桃砧木,80年代引入我国后,因其适应性强,与甜樱桃嫁接亲和力高、前期生长量大、易丰产,深受果农欢迎。但利用组织培养快繁技术繁殖考特砧木苗,投资大、成本高,生产上不 In recent years, with the rapid development of sweet cherry production, the problem of sweet cherry rootstock has become more and more prominent. Colt is the most widely used sweet cherry rootstock in the world at present. After its introduction into our country in the 1980s, Colt is welcomed by fruit growers due to its adaptability, high affinity for grafting with sweet cherry, large initial growth and easy yield. However, the use of tissue culture and propagation techniques to breed Court rootstock seedlings, large investment, high cost, the production is not