康定木兰嫁接幼苗年生长规律的研究

伍杰; 彭克忠; 刘燕云; 杨冬; 兰常军

doi:10.16779/j.cnki.1003-5508.2017.02.012

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康定木兰嫁接幼苗年生长规律的研究

伍杰 , 彭克忠 , 刘燕云 , 杨冬 , 兰常军

文章导航 > 四川林业科技 > 2017 > 38(2): 65-71

伍杰, 彭克忠, 刘燕云, 杨冬, 兰常军. 康定木兰嫁接幼苗年生长规律的研究[J]. 四川林业科技, 2017, 38(2): 65-71. doi: 10.16779/j.cnki.1003-5508.2017.02.012

引用本文:

伍杰, 彭克忠, 刘燕云, 杨冬, 兰常军. 康定木兰嫁接幼苗年生长规律的研究[J]. 四川林业科技, 2017, 38(2): 65-71. doi: 10.16779/j.cnki.1003-5508.2017.02.012

WU Jie, PENG Ke-zhong, LIU Yan-yun, YANG Dong, LAN Chang-jun. Research on Annual Growth Rhythm of Grafted Seedlings of Magnolia dawsoniana[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(2): 65-71. doi: 10.16779/j.cnki.1003-5508.2017.02.012

Citation:

WU Jie, PENG Ke-zhong, LIU Yan-yun, YANG Dong, LAN Chang-jun. Research on Annual Growth Rhythm of Grafted Seedlings of Magnolia dawsoniana[J]. Journal of Sichuan Forestry Science and Technology, 2017, 38(2): 65-71. doi: 10.16779/j.cnki.1003-5508.2017.02.012

康定木兰嫁接幼苗年生长规律的研究

doi: 10.16779/j.cnki.1003-5508.2017.02.012

详细信息

甘孜藏族自治州林业科学研究所，四川康定 626001

作者简介:
伍杰(1975-),男,本科,高级工程师,主要研究方向为林木培育

基金项目:
四川省科学技术厅科技支撑计划项目(计划编号2015NZ0049)。
中图分类号: S723.2

Research on Annual Growth Rhythm of Grafted Seedlings of Magnolia dawsoniana

More Information

Ganzi Prefecture Forest Research Institute, Kangding 626001, Sichuan

摘要: 基于康定木兰嫁接幼苗苗高和地径的定株及定期观测数据,选择Logistic方程对其生长过程进行拟合,通过其中的参数分析生长规律。结果表明:(1)采用望春玉兰为砧木嫁接康定木兰,能够明显促进康定木兰的生长,年生长量接近望春玉兰萌蘖枝而远高于2 a生康定木兰实生苗的生长量。(2)康定木兰嫁接苗苗高生长符合"S"型曲线,呈现"慢-快-慢"节律;地径生长符合双"S"型曲线,呈现"慢-快-慢-快-慢"节律。(3)根据生长量变化规律,苗高生长过程划分为生长初期(6月26日之前),速生期(6月26日至8月15日)和生长后期(8月15日至10月18日),速生期累计时间50 d,速生期的累计生长量占理论上限值的56.92%。(4)地径生长过程划分为生长初期(5月27日之前)、速生期Ⅰ(5月27日至6月12日)、过渡期(6月12日至7月26日)、速生期Ⅱ(7月26日至8月13日)和生长后期(8月13日至10月18日),速生期Ⅰ与速生期Ⅱ合计累计时间34 d,合计累计生长量占理论上限值的61.8%。
- 康定木兰;
- 嫁接幼苗;
- 生长规律;
- Logistic方程
Abstract: Based on the data of the height and basal diameter growth of Magnolia dawsoniana grafted seedlings,the growth rhythm was analyzed by Logistic equation.The results showed that (1) taking Magnolia biondii as the rootstocks for grafting M.Dawsoniana could obviously promote the growth of M.Dawsoniana.The annual growth of grafted seedlings was closer to the growth of the sprout seedlings of M.biondii and significantly higher than the growth of 2-year old M.Dawsoniana seedlings.(2)The growth of seedling height exhibited a "S-shaped" curve as "slow-fast-slow" while that of basal diameters growth were presented as a "double S-shaped" curve as "slow-fast-slow-fast-slow".(3) The growth period of seedling growth process could be divided into three parts:the initial growth stage (before June 26th),the fast-growing period (from June 26th to August 15th) and the late growth period (from August 15th to October 18th),The duration of fast-growing period was 50 days,and the fast-growing period of cumulative growth accounted for 56.92% of the theoretic maximum number.(4) The basal diameter growth process could be divided into three stages:the initial growth stage (before May 27th),the fast-growing period I (from May 27th to June 12th),the transition period (from June 12th to July 26th),the fast-growing period Ⅱ (from July 26th to August 13th) and the late growth period (from August 13th to October 18th),besides,the cumulative time of the fast-growing period I and the fast-growing period Ⅱ were 34 days,and the total cumulative growth accounted for 61.8% of the theoretic maximum number.
- Magnolia dawsoniana;
- Grafted seedling;
- Growth rhythm;
- Logistic equation

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康定木兰嫁接幼苗年生长规律的研究

doi: 10.16779/j.cnki.1003-5508.2017.02.012

甘孜藏族自治州林业科学研究所，四川康定 626001

作者简介:
伍杰(1975-),男,本科,高级工程师,主要研究方向为林木培育

收稿日期: 2016-12-13

基金项目:

四川省科学技术厅科技支撑计划项目(计划编号2015NZ0049)。

中图分类号: S723.2

关键词:

摘要: 基于康定木兰嫁接幼苗苗高和地径的定株及定期观测数据,选择Logistic方程对其生长过程进行拟合,通过其中的参数分析生长规律。结果表明:(1)采用望春玉兰为砧木嫁接康定木兰,能够明显促进康定木兰的生长,年生长量接近望春玉兰萌蘖枝而远高于2 a生康定木兰实生苗的生长量。(2)康定木兰嫁接苗苗高生长符合"S"型曲线,呈现"慢-快-慢"节律;地径生长符合双"S"型曲线,呈现"慢-快-慢-快-慢"节律。(3)根据生长量变化规律,苗高生长过程划分为生长初期(6月26日之前),速生期(6月26日至8月15日)和生长后期(8月15日至10月18日),速生期累计时间50 d,速生期的累计生长量占理论上限值的56.92%。(4)地径生长过程划分为生长初期(5月27日之前)、速生期Ⅰ(5月27日至6月12日)、过渡期(6月12日至7月26日)、速生期Ⅱ(7月26日至8月13日)和生长后期(8月13日至10月18日),速生期Ⅰ与速生期Ⅱ合计累计时间34 d,合计累计生长量占理论上限值的61.8%。

English Abstract

Research on Annual Growth Rhythm of Grafted Seedlings of Magnolia dawsoniana

Ganzi Prefecture Forest Research Institute, Kangding 626001, Sichuan

Received Date: 2016-12-13

Keywords:

Abstract: Based on the data of the height and basal diameter growth of Magnolia dawsoniana grafted seedlings,the growth rhythm was analyzed by Logistic equation.The results showed that (1) taking Magnolia biondii as the rootstocks for grafting M.Dawsoniana could obviously promote the growth of M.Dawsoniana.The annual growth of grafted seedlings was closer to the growth of the sprout seedlings of M.biondii and significantly higher than the growth of 2-year old M.Dawsoniana seedlings.(2)The growth of seedling height exhibited a "S-shaped" curve as "slow-fast-slow" while that of basal diameters growth were presented as a "double S-shaped" curve as "slow-fast-slow-fast-slow".(3) The growth period of seedling growth process could be divided into three parts:the initial growth stage (before June 26th),the fast-growing period (from June 26th to August 15th) and the late growth period (from August 15th to October 18th),The duration of fast-growing period was 50 days,and the fast-growing period of cumulative growth accounted for 56.92% of the theoretic maximum number.(4) The basal diameter growth process could be divided into three stages:the initial growth stage (before May 27th),the fast-growing period I (from May 27th to June 12th),the transition period (from June 12th to July 26th),the fast-growing period Ⅱ (from July 26th to August 13th) and the late growth period (from August 13th to October 18th),besides,the cumulative time of the fast-growing period I and the fast-growing period Ⅱ were 34 days,and the total cumulative growth accounted for 61.8% of the theoretic maximum number.