Study on the genetic variation of the fruit traits of Longan filial generation

Some fruit qualitative characters of longyan filial generation which originated from a cross-combination of "Lidongben"×"Qingkebaoyuan",were estimated in this paper.The results showed that the fruit weight,flesh thickness,total soluble solids content,seed weight and edible rate were the quantitative trait inheritance,while the flesh texture was quality trait inheritance.The fruit weigh tended to continuously reduce in regression andysis,and the lower-parent inheritance was evident.The total soluble solids content,seed weigh and flesh texture tended to descendant when their parent’ characters were alike,but they had higher value than their parents.The heterosis in characters of not exuding juice,easy peeling flesh to seed,blue-brown in pericarp and milky in flesh was observed in majority of hybrid progenies,while the seed hilum size mediated between their parents.