Adaptability of Five Varieties of Plinia cauliflora Introduced to Guangzhou
In order to study the introduction adaptability of Plinia cauliflora in the Guangzhou area,the sur-vival rate,flower,fruit,leaf phenology,and fruit quality traits of 5 different varieties of P.cauliflora were ana-lyzed.The results showed that all 5 varieties of P.cauliflora could survive in the Guangzhou area,and the sur-vival rate of P.cauliflora'Shaba'and P.cauliflora'Fukuoka'was the highest,both above 88％after intro-duced 1 095 d.All varieties flowered all year round.Compared to P.cauliflora'Shaba',P.cauliflora'Fukuo-ka'and P.cauliflora'Siji',the flowering time of P.cauliflora'Esca'and P.cauliflora'Greencrystal'were later.The phenological observation of the fruit stage showed that the fruit ages of different varieties of P.cauliflora were different.P.cauliflora'Esca',P.cauliflora'Siji'and P.cauliflora'Greencrystal'could bear fruit earlier.All of them had a longer fruit stage and could be used as ornamental fruit species.The leaf phenology of 5 varieties of P.cauliflora showed that the leaf color change period lasted for a long time,which could be used as foliage trees.All of them all year round had sprouted and new leaves turned green,but their de-ciduous periods were different.To sum up,P.cauliflora'Shaba'and P.cauliflora'Fukuoka'showed strong a-daptability to introduction in the Guangzhou area,with higher survival rates,longer fruit stages,larger fruit types,higher sweetness,are better varieties.
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