引言大果番石榴 (Psidlum guajava L)又称为大果番桃,是桃金娘科的灌木果树,它具有速生、高产、早收益、多熟、耐贮芷等特点,我所于一九八六年成功引种大果番石榴后,今年在广西种植面积达845亩。为了更好地为我区发展大果番石榴提供依据, Introduction Psidium guajava L, also known as the fruit of the big fruit, is a shrub fruit tree of the Myrtaceae family. It has the characteristics of fast growing, high yield, early yield, multiple ripeness, After the successful introduction of the large fruit guava in 1986, the planting area in Guangxi this year reached 845 mu. In order to better provide a basis for the development of guava in our region,