Guoyou 14

Guoyou 14 (C. oleifera), a new variety authorized by the State Forestry and Grassland Administration of China in 2018, with the variety right number: 20180108, which was bred by Chen Longsheng, Wang Xiangnan, Chen Yongzhong and others from the Hunan Academy of Forestry Sciences.  Canopy relatively compact. Leaves long elliptical, with fine serrations or blunt teeth on the edges, apex acuminate, 5.0-7.2cm long, and 2.0-3.2cm wide. Flowers white, terminal, axillary, solitary, twin, with 5-8 petals, oblong or obovate, with concave apex. Flowering period from late October to January of the following year. Capsules oblate, red or yellow-red, with a diameter of 4.8cm and a height of 4.3cm. The average weight of a single fruit is 46g, and the larger one can reach 65g. Each fruit has 3-11 seeds. The fresh seed rate of fresh fruits was 46.1%, and the oil content of dry seeds was 34.6%. The fruit ripening period is in late October.

国油14是2018年国家林草局授权的新品种，【品种权号】20180108，【培育人】陈隆升、王湘南、陈永忠、彭邵锋、马力、王瑞、许彦明、唐炜，【品种权人】湖南省林业科学院。【品种特性】‘国油14’属于普通油茶中的霜降类型，其亲本来自湖南省林业科学院油茶种质资源圃选择育种中优良单株。与国内外同类品种对比，该品种树冠较紧凑，叶革质，长椭圆形，边缘有细锯齿或钝齿，叶尖渐尖，叶长5.0-7.2cm，叶宽2.0-3.2cm；花白色，顶生、腋生，单生、双生，花瓣5-8枚，长圆形或倒心形，先端内凹，花期10月下旬至翌年1月；蒴果扁圆形，红或黄红色，果径4.8cm，果高4.3cm，单果均重46g，大的可达65g/个，每果种子3-11粒，鲜果出鲜籽率46.1%，干籽含油率34.6%，果熟期10月下旬。其果大型，红色鲜艳，株形较直立高大，适应性强，遗传性状稳定。’国油14’适宜种植于湖南省各油茶产区，南方油茶各中心产区，pH为4.0-6.0、土层深厚、土壤厚度为60-100cm或以上的微酸性红黄壤的山地丘陵等旱地。