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Home Cultivars Dechang Youshu No.2

Dechang Youshu No.2

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



Year Published/Registered2020

Cultivar Type:For Oil

AGM Type

Scientific Name:Camellia oleifera 'Dechang Youshu No.2'

Chinese Name:德昌优树2号

Japanese Name



» English Description

Yao Xiaohua and Ren Huadong eds. 2020. Oil-tea Camellia Genetic Resource in China. p.831.【Resource number】513424-010-0002;Wild resources (special individual plant);Oil cultivation, genetic breeding materials. Originated in Dechang County, Sichuan Province.【PLANT】Half open. Young shoots have hairs. Leaf buds yellow-green, have tomentose hairs.【LEAF】young leave green,old leaves medium green,nearly round in shape. Leaf margins wavy,Leaf apex acuminate,Leaf base cuneate,6.2 cm long and 3.3cm wide.【FLOWER】Sepals have hairs,petal in white color,the pistil shorter than the stamen,stigma lobed 3. Ovaries Have pubescent.【FRUIT】surface smooth,round sphere,red green in color;average weight ——g;Ratio of fresh seeds ——%;Testa color brownness;Kernel oil content 60.7%.【FATTY ACID CONTENT】Oleic acid 76.2%,Linoleic acid 6.9%,Linolenic acid 4.5%.,Stearic acid 2%,Palmitic acid 8%. Full blooming season Mid-October;Fruit harvest season Mid-September.

» Chinese Description

姚小华、任华东主编,2020年《中国油茶遗传资源》第831页。【资源编号】513424-010-0002;野生资源(特异单株);油用栽培,遗传育种材料。产于四川省德昌县。【植株】树姿半开张.嫩枝有绒毛. 叶芽黄绿色.有绒毛.【叶】嫩叶绿色,老叶中绿色,近圆形. 叶缘波状,先端渐尖,基部楔形,长6.2厘米,宽3.3厘米。【花】萼片有绒毛,花瓣白色,雄蕊比雌蕊高,柱头浅裂. 3裂. 子房有绒毛。【果】表面光滑,圆球形,红绿色;平均单果重——克;鲜出籽率——%;种皮褐色;种仁含油率60.7%。【脂肪酸含量】油酸76.2%,亚油酸6.9%,亚麻酸4.5%.,硬脂酸2%,棕榈酸8%。盛花期10月中旬;果熟期9月中旬。


Flower Size

Blooming Season China