Apricot belongs to Rosaceae Prunoideae Armeniaca. Its fruit and nuts are edible. It is originated from China and the wild and cultivated variety resources are very rich. It occupies a very important position in people's lives and gardening industry in China. The accumulation of soluble sugar is the main quality index of apricot fruit, thus improvement of sugar content in apricot becomes very important. Sucrose is the main form of carbohydrate in fruit trees for long distance transportation. It is transporte...