[1]姜年春,何贵平,王帮顺,等.杉木杂交试验幼林主要生长性状遗传分析[J].浙江林业科技,2019,39(01):60-64.[doi:10.3969/j.issn.1001-3776.2019.01.010]
 JIANG Nian-chun,HE Gui-ping,WANG Bang-shun,et al.Genetic Analysis on Main Growth Traits of Cunninghamia lanceolata Cross Combinations[J].Journal of Zhejiang Forestry Science and Technology,2019,39(01):60-64.[doi:10.3969/j.issn.1001-3776.2019.01.010]
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杉木杂交试验幼林主要生长性状遗传分析()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
39
期数:
2019年01期
页码:
60-64
栏目:
试验简报
出版日期:
2019-03-31

文章信息/Info

Title:
Genetic Analysis on Main Growth Traits of Cunninghamia lanceolata Cross Combinations
文章编号:
1001-3776(2019)01-0060-05
作者:
姜年春1何贵平2王帮顺3徐金良1肖纪军3邱勇斌1
1. 浙江省开化县林场,浙江 开化 324300;2. 中国林业科学研究院 亚热带林业研究所,浙江 杭州 311400;3. 浙江省龙泉市林业科学研究院,浙江 龙泉 323700
Author(s):
JIANG Nian-chun1HE Gui-ping2WANG Bang-shun3XU Jin-liang1XIAO Ji-jun3QIU Yong-bin1
1. Kaihua Forest Farm of Zhejiang, Kaihua 324300, China; 2 . Research Institute of Subtropical Forestry, CAF, Hangzhou 311400, China; 3. Longquan Forestry Academy of Zhejiang, Longquan 323700, China
关键词:
杉木杂交试验幼林生长性状一般配合力交互效应
Keywords:
Cunninghamia lanceolata cross experiment traits of seeding stage general combining ability interaction effect
分类号:
S791.27
DOI:
10.3969/j.issn.1001-3776.2019.01.010
文献标志码:
A
摘要:
2013 年在浙江龙泉杉木Cunninghamia lanceolata 3 代种子园中开展杉木杂交试验(4×5,NCⅡ遗传设计),获得杂交组合20 个,2014 年3 月和2015 年3 月分别在浙江开化县林场进行了育苗和造林试验,2017 年11 月对造林后3 a 时的树高和胸径两生长性状进行了测定和分析,以此两生长性状采用比较法进行幼林期速生型优良杂交组合选择。结果表明:杉木杂交组合的树高、胸径两生长性状在组合间和母本间存在极显著差异(α=0.01),且树高性状的母本×父本交互效应也达显著差异(α=0.01);树高和胸径两生长性状均有较高的一般配合力方差分量。树高和胸径两生长性状的一般配合力效应值母本C25-3 和父本L15-3 为较高正值。根据树高和胸径生长量,采用比较法初选出4 个幼林期生长较快的杂交组合,造林后3 年生时其树高和胸径的平均值分别为3.44 m 和4.43cm,其树高和胸径的平均值比CK1(龙泉杉木2 代种子园混种)分别高出了12.42%和24.44%,比CK3(洋口061)分别高出了9.55%和26.93%,比CK2(洋口020)分别高出了1.48%和9.38%。
Abstract:
Cross experiment was conducted in third generation clonal Cunninghamia lanceolata seed orchard in Longquan, Zhejiang province in February and March of 2013. 20 cross combinations were obtained for seedling cultivation and afforestation test in Kaihua, Zhejiang in March, 2014 and 2015. Tree height and DBH was determined in November, 2017. The results showed that it had extremely significant difference (α=0.01) of tree height and DBH among cross combinations and female parents, and as well as it had also the same difference of tree height among interactions of female × male. Tree height and DBH of cross combination had higher general combining ability. 4 fast-growing crossing combinations were selected by comparison on tree height and DBH, with mean tree height and DBH of 3.44 m and 4.43 cm.

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备注/Memo

备注/Memo:
收稿日期:2018-03-02;修回日期:2018-09-28基金项目:浙江省“十三五”林木育种专项“速生建筑用材树种高世代良种选育”(2016C02056-5);中央级公益性科研院所基本科研业务费专项“主要用材树种优质高抗良种选育研究”(CAFYBB2017ZA001-1)的部分内容作者简介:姜年春,工程师,从事林木良种和人工林培育工作;E-mail:jnc1970@126.com。通信作者:何贵平,研究员,从事林木遗传育种研究工作;E-mail:guipinghe@126.com。
更新日期/Last Update: 2019-02-20