Abstract: Based on the phonological data of the fruit development of the Litchi(Litchi chinesis Sonn.) Feizixiao and the meteorological data in the same periods for the last five years in Lingshan County of Guangxi Autonomous Region,the relationships between the fruit development of Litchi Feizixiao and the temperature conditions were analyzed.The results showed that the fruit maturity period and the full development period were closely related to the daily growth temperature in the different years.The process of the fruit development would be accelerated and the length of the growing period would be shortened with higher daily growth temperature in duration from floral bud to pulp appearance stage,whereas the fruit development process would be delayed and the growing stage would be longer.However,the days from pulp appearance stage to the fruit maturity stage were relative stable.The results of the statistical analysis indicated that the effective accumulated growth temperature could better reflect the temperature influence on the fruit development process.This research result would provide the reference to the prediction of the Litchi fruit maturity period.

Key words: Litchi(Litchi chinesis Sonn.) Feizixiao, Litchi(Litchi chinesis Sonn.) Feizixiao, Fruit development, Effective accumulated growth temperature, Accumulated cold temperature, Accumulated growth temperature