International Camellia Register
Home Cultivars You 7

You 7

Last Updated:2019/6/20 13:26:25 By:wangzhonglang



Year Published/Registered2008

Cultivar Type:For Oil

AGM Type

Scientific Name:Camellia oleifera 'You 7 '

Chinese Name:攸7

Japanese Name



» English Description

Oil Tea Camellia Superior Germplasm Resources, 2008, editor in chief by Chen Yonzhong, p.129. Bred by Hunan Academy of Forestry and in 1989. Plant vigorous, foliage dense, crown rotund. Leaves elliptic, apex acuminate, margin serrate or crenate, 4.0-7.0 cm long, 2.0-3.5 cm wide, glabrous. Flowering early, usually in late October to late December, white, dimeter 6.0-8.0 cm, petals 6-7, obcordate. Fruit mature in late October, spherical or ovate, reddish green, diameter 30-40 mm, 28-32 among of fruit weighted 500g, loci 4. Average 51.4% seed weight in each fresh fruit, 27.70% kernel weight in each dry fruit. The average rate of oil reached 50.25% from the kernel, and 9.12% from fresh fruit. Average oil yield 866.25 kg/hm2.

» Chinese Description

7陈永忠主编,2008年,《油茶优良种质资源》第 129 页。【培育单位】湖南省林业科学院,【选育年份】1989由湖南省林业科学院与攸县油科所于1989年共同选育出来的优良无性系。树冠自然开张或圆头形,树体中到大型,枝叶浓密;叶长椭圆形,较细长,先端渐尖,边缘有细锯齿或钝齿,长4.07.0cm,宽2.03.5 cm,叶面光滑;花期湖南通常于11月上至12月下旬,花白色,直径6.08.0cm,花瓣倒心形,67瓣;果实成熟期10月下旬,果实球形,青红或青黄色,果径3040mm,每500g果数2832个,心室4个。鲜出籽率51.4%,干出籽率27.70%,种仁含油率50.25%,果油率9.12%,油脂酸价2.06,产油量为866.25kg/hm2


Flower Size

Blooming Season China