[1]陈彧,李小成,韩豫,等.琼岛杨一年生播种苗生长节律研究[J].浙江林业科技,2021,41(01):88-92.[doi:10.3969/j.issn.1001-3776.2021.01.013]
 CHEN Yu,LI Xiao-chen,HAN Yu,et al.Experiment on Growth of 1-year Populus qiongdaoensis Seedlings[J].Journal of Zhejiang Forestry Science and Technology,2021,41(01):88-92.[doi:10.3969/j.issn.1001-3776.2021.01.013]
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琼岛杨一年生播种苗生长节律研究()
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《浙江林业科技》[ISSN:1001-3776/CN:33-1112/S]

卷:
41
期数:
2021年01期
页码:
88-92
栏目:
出版日期:
2021-02-10

文章信息/Info

Title:
Experiment on Growth of 1-year Populus qiongdaoensis Seedlings
文章编号:
1001-3776(2021)01-0088-05
作者:
陈彧1李小成2韩豫1董晓娜1邢文婷1
(1. 海南省林业科学研究院,海南省红树林研究院,海南海口 571100;2. 海南省霸王岭林业局,海南昌江 572722)
Author(s):
CHEN Yu1LI Xiao-chen2HAN Yu1DONG Xiao-na1XING Wen-ting1
(1. Hainan Academy of Forestry, Hainan Academy of Mangrove, Haikou 571100, China;2. Bawangling Forestry Bureau of Hainan Province, Changjiang 572722, China)
关键词:
琼岛杨生长节律生长量Logistic 方程拟合
Keywords:
Populus qiongdaoensis growth increment logistic curve equation fitting
分类号:
S792.11;S732.1+31
DOI:
10.3969/j.issn.1001-3776.2021.01.013
文献标志码:
A
摘要:
于2019 年5 月6 日到12 月25 日对海南省琼岛杨Populus qiongdaoensis 一年生播种苗的苗高、地径生长量进行定期观测,采用Logistic 方程进行生长进程拟合,研究琼岛杨的苗期生长节律。结果表明,琼岛杨苗高和地径生长都呈现“慢—快—慢”的“S”形生长规律,且苗高、地径生长量与Logistic 方程的回归相关性达到极显著水平,其相关系数分别达0.994 和0.996。苗高生长速生期约119 d,占生长期的39.67%,占苗高年总生长量的63.77%;地径生长速生期约125 d,占生长期的45.42%,占地径年总生长量的66.15%。
Abstract:
In February 2019, seeds of Populus qiongdaoensis were collected and from Hongshui Forest Farm of Hainan province and were sowed. InApril 2019, seedlings were transplanted in containers。Determinations were carried out from May 6th to December 25th on height and ground diametergrowth. The result showed that height and ground diameter growth had the same slow-fast-slow rhythm. Height and ground diameter growth wasfitted by Logistic curve equation, with correlation coefficient of 0.994 and 0.996. Height growth of seedling could be divided into emergence stage,early growth stage, rapid growing stage and later stage. The rapid growth stage was about 119 days, accounting for 39.67% of the whole growthperiod and for 63.77% of the total increment height increment. Rapid growth stage of ground diameter was 125 days, accounting for 45.42% of thewhole growth period, and for 66.15% of the total ground diameter increment.

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备注/Memo

备注/Memo:
收稿日期:2020-08-14;修回日期:2020-11-05基金项目:海南省重点研发专项,琼岛杨种质资源收集保存及栽培生物学特性研究(ZDYF2018045)作者简介:陈彧,硕士,高级工程师,从事珍贵树种培育研究;E-mail:cfstuchen@126.com。
更新日期/Last Update: 2021-02-10