桂花花期农业气象条件分析

摘要桂花是深受人们喜爱的观赏植物．花期的预报对桂花的观赏具有重要的意义。利用近15年的始花期观测资料．分析桂林市桂花开放的农业气象条件。分析发现．地面温度、湿度、降水、日照对桂花开花期都有明显影响；影响桂花开花的农业气象原因很复杂．在进行花期预报时，需要综合考虑前期的天气条件及未来的天气变化．采用长期预报短期预报相结合的方法发布桂花花期预报。

Analysis on Agricultural Meteorologica Condition of Osmanthus Blooming

Osmanthus, an ornamental plants, is favored by people, and forecast of Osmanthus florescence is of vital significance for enjoying the sight. Based on 15 years of flowering observation data, analysis was made on agricultural meteorologi- cal conditions of Osmanthus in Guilin and the results showed that ground tempera- ture, humidity, precipitation, sunshine have significant effects on Osmanthus flores- cence. In forecasting florescence, therefore, it is necessary to take comprehensive consideration of weather conditions and changes in the future, to release Osman- thus flowering forecast as per method of combination of long-term forecasting and short-term forecast.