几个油茶高产无性系的评选及其配置的研究

A Study on the Selection and Disposition of Several High-Yield Clones from Oil-Camellia

在江西进贤对八个油茶无性系通过十年的正规鉴定试验和生产性调查,评选出了7号(优树号:79-5)、3号(抚17)和2号(80-24)三个高产无性系以及1号(79-13)、6号(抚19)两个具有一定丰产潜力的矮化型无性系。经各项指标的检验和综合评定认为,7号、3号、2号三个无性系作为主栽系,1号、6号两个无性系作为配栽系较为合适。向生产上推荐的配置组合模式为:7号-3号-2号-7号-1号-6号,每个无性系一行,轮回栽植。用芽苗砧嫁接苗造林,株行距1.5 m×2.0 m(3 330/hm^2),在一般管理水平下,从四年生到八年生,该配置组合模式年公顷产油可依次达到169.5、210.0、289.5、352.5、384.0kg。

The high-yield clones, No. 7(79-5), 3(Fu 17) and 6(80-24) as well as the fairy high-yield and dwarfish clones, No. 1(79-13) and 6(Fu 19), have been selected by means of the standard identifying experiments and productive investigations on eight clones of Oil-Camellia for ten years in Jinxian County, Jiangxi Province. It is more suitable that the clones, No. 7, 3, and 2, were used as major cultivated strains and the clones,No. 1 and 6 as associated cultivated strains, after examining and evaluating synthetically every index about them. The model of the combination disp-osed, which was recommended for production, was No, 7-3-2-7-1-6, which each clone was planted into one row in order of them and in turn of the model. The oil yields of the model per ha and per year from 4-yr-old to 8-yr-old plantation can reach 169.7, 210.0, 290.3, 352.5, and 384.0kg respectively under common management, if bud-understock graftings are adopted to afforest and the spacings of 1.5m ×2.0m,3330 plants per ha, are kept.