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Yu B12

Last Updated:2021/10/29 10:45:22 By:wangzhonglang



Year Published/Registered2020

Cultivar Type:For Oil

AGM Type

Scientific Name:Camellia oleifera 'Yu B12'

Chinese Name:渝B12

Japanese Name



» English Description

Yao Xiaohua and Ren Huadong eds. 2020. Oil-tea Camellia Genetic Resource in China. p.517.【Resource number】500241_010_0017;Breeding resources (excellent variety);Oil cultivation, genetic breeding materials. Originated in Xiushan Tujia and Miao Autonomous County, Chongqing.【PLANT】Open. Young shoots have hairs. Leaf buds green, have tomentose hairs.【LEAF】young leave green,old leaves medium green,long oval in shape. Leaf margins flat,Leaf apex obtuse,Leaf base nearly round,6.84 cm long and 2.92cm wide.【FLOWER】Sepals have hairs,petal in white color,the pistil taller than the stamen,stigma Split 5. Ovaries have pubescent.【FRUIT】surface smooth,oblate sphere or round sphere,cyan in color;average weight 15.23g;Ratio of fresh seeds 42.81%;Testa color black or brown;Kernel oil content 50%.【FATTY ACID CONTENT】Oleic acid 80%,Linoleic acid 10%,Linolenic acid -%.,Stearic acid -%,Palmitic acid -%. Full blooming season Mid-October;Fruit harvest season Early October.

» Chinese Description

姚小华、任华东主编,2020年《中国油茶遗传资源》第517页。【资源编号】500241_010_0017;选育资源(良种);油用栽培,遗传育种材料。产于重庆市秀山土家族苗族自治县。【植株】树姿开张.嫩枝有绒毛. 叶芽绿色.有绒毛.【叶】嫩叶绿色,老叶中绿色,长椭圆形. 叶缘平,先端钝尖,基部近圆形,长6.84厘米,宽2.92厘米。【花】萼片有绒毛,花瓣白色,雌蕊比雄蕊高,柱头中裂. 5裂. 子房有绒毛。【果】表面光滑,扁圆球形或圆球形,青色;平均单果重15.23克;鲜出籽率42.81%;种皮黑色或褐色;种仁含油率50%。【脂肪酸含量】油酸80%,亚油酸10%,亚麻酸-%.,硬脂酸-%,棕榈酸-%。盛花期10月中旬;果熟期10月上旬。


Flower Size

Blooming Season China