番石榴是一种适应性很强的热带果树,原产美洲热带,16~17世纪传播至热带及亚热带地区,约17世纪末传入中国,我国台湾、海南、广东、广西、福建、江西、云南等省均有栽培。那么番石榴如何育种呢?1.种子选择:番石榴供实生育苗用的种子应来自优良品种、丰产优质母株及充分成熟的果实,果实采收后让其腐烂,取出种子洗净,浮去不实粒,晾干即播。番石榴种子活力在室温下虽可维持1年以上,但新鲜种子生活力强,发芽率高,发芽势好, Guava is a highly adaptable tropical fruit tree native to the Americas, which spread to tropical and subtropical regions from the 16th to the 17th centuries and was introduced into China at the end of the 17th century. Our country is Taiwan, Hainan, Guangdong, Guangxi, Fujian, Jiangxi and Yunnan Other provinces have cultivated. How to bred guava? 1.Seed selection: guava seedlings for seedlings should be from good varieties, high yield and quality of mother plants and mature fruit, the fruit after harvest let it rot, remove the seeds washed, floating Not real grain, dry that broadcast. Although the vitality of guava seeds can be maintained at room temperature for more than one year, fresh seeds have strong vitality, high germination rate, good germination potential,