Investigation On The Cultivar Resources Of Sweet Osmanthus And Application In Pucheng County, Fujian Province

There are centuries-old cultivating history of sweet Osmanthus in Puchen county,Fujian Province,the industry of Osmanthus fragrans Aurantiacus possess important station in national economy. But the cultivars resources of Osmanthus fragrans are never investigated and the utilizing form of cultivars resources is singleness in Puchen county. This paper investigate cultivars resources of Osmanthus fragrans in Puchen county,study the exploitation Perspective of two Osmanthus fragrans Aurantiacus Grope cultivars in Puchen county,the main results are summarized as follow:(1)The cultivars resource in Puchen county are made dear through scientific and normative investigation. primary confirm there are 20 cultivars of sweet Osmanthus in Puchen county, in which , 2 in Asiaticus Group, 14 in Albus Group, 2 in Luteus Group and 2 in Aurantiacus Group. Among them, 12 cultivars are described as new. Cultivars identification key are compiled and the morphology description of each cultivar are given in this parer.primary investigate the resources of ancient sweet Osmanthus in Puchen county.(2)study the content of nutritious component of 2 representative Osmanthus fragrans Aurantiacus Group(Osmanthus fragrans'Pucheng Dan'and Osmanthus fragrans'Xiaoye Dangui')in Puchen county, study area include the content of ash,crude fat,amylose,crude fiber,microelement,protein and amino acid in 2 Osmanthus fragrans Aurantiacus Group cultivars. The results reveal both 2 cultivars contain abundant nutrition and have favorable exploitation perspective.(3)study the volatile compound of two Osmanthus fragrans Aurantiacus Group cultivars. The result indicate that both of the two Osmanthus fragrans Aurantiacus Group cultivars contain a great of hydrocarbons in their volatile compound,it's the reason why Osmanthus fragrans Aurantiacus Group have weaker fragrance than ather Groups. It must be prudent on exploit for the low contain of aroma components in Aurantiacus Group.(4)The current status and existing problems about development and application of Osmanthus fragrans are commented. Some relevant suggestions are given.