大番石榴(Psidium guaiava L.C.V.round Pear)属桃金娘科,番石榴属中的一个栽培品种。1979年从泰国引入栽培。大番石榴具有结果早,一年四季均能开花结果,产量高,果大、肉厚、肉质爽脆、甜带微酸,果实含维生素C比本地胭脂红番石榴高1倍多,果实较耐贮藏等优点,具有一定推广生产价值。其缺点是抗病虫害能力较差。现把我园对大番石榴的研究结果总结如下。 Psidium guaiava L.C.V.round Pear is a cultivar of the genus Myrtaceae, guava. 1979 introduced from Thailand cultivation. Big guava has the result early flowering all year round, high yield, large fruit, thick flesh, crisp meat, sweet with slightly acid, the fruit contains vitamin C than the local carmine more than 1 times more than guava, fruit than Resistant to storage, etc., with a certain promotion of production value. The disadvantage is its poor pest resistance. Now I park on the large Guava research results are summarized below.