Peach (Prunus persica L.) is one of the most extensively cultivated temperate zone fruit tree and favorite fruit for people. But due to peach’s sensitivity to environment, clear regional distribution of cultivating, short and concentrative mature period and soft and putrescible pulp, which lead to the difficulty for sale abroad. So the economic benefit is lower. In recent years, with the development of deciduous fruit tree protected cultivation, advancing or delaying cultivation has become the ...