马尾松扦插繁殖年龄效应及继代扦插复壮效果

季孔庶; 王章荣; 陈天华; 王明庥

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马尾松扦插繁殖年龄效应及继代扦插复壮效果

季孔庶 , 王章荣 , 陈天华 , 王明庥

文章导航 > 浙江农林大学学报 > 1999 > 16(4): 341-345

季孔庶, 王章荣, 陈天华, 王明庥. 马尾松扦插繁殖年龄效应及继代扦插复壮效果[J]. 浙江农林大学学报, 1999, 16(4): 341-345.

引用本文:

季孔庶, 王章荣, 陈天华, 王明庥. 马尾松扦插繁殖年龄效应及继代扦插复壮效果[J]. 浙江农林大学学报, 1999, 16(4): 341-345.

JI Kong-shu, WANG Zhang-rong, CHEN Tian-hua, WANG Ming-Xiu. Cyclophysis and effect of rejuvenation with continued cottage in Pinus massoniana cutting propagation[J]. Journal of Zhejiang A&F University, 1999, 16(4): 341-345.

Citation:

JI Kong-shu, WANG Zhang-rong, CHEN Tian-hua, WANG Ming-Xiu. Cyclophysis and effect of rejuvenation with continued cottage in Pinus massoniana cutting propagation[J]. Journal of Zhejiang A&F University, 1999, 16(4): 341-345.

马尾松扦插繁殖年龄效应及继代扦插复壮效果

1.
南京林业大学森林资源与环境学院, 江苏南京210037

基金项目:

九五国家科技攻关资助项目(96-011-01-01)

详细信息

作者简介: 季孔庶(1965-), 男, 浙江宁海人, 博士, 从事林木遗传育种研究。

通信作者: 季孔庶(1965-), 男, 浙江宁海人, 博士, 从事林木遗传育种研究。

中图分类号: S722 ;Q945.52

Cyclophysis and effect of rejuvenation with continued cottage in Pinus massoniana cutting propagation

1.
College of Forest Resources and Environment , Nanjing Forestry University , Nanjing 210037, Jiangsu, China

摘要: 分析马尾松同种源异龄(2 , 4 , 5 , 6 , 8 年生)母株插穗的生根性状, 发现2 ～ 4 年生母株插穗的生根性状间无显著性差异, 从量化水平上证实运用常规的扦插技术, 采用4 年生以内的马尾松母株插穗是比较可行的。2 年生与5 年生母株间插穗的不定根数、最长不定根长和生根率差异显著, 根总长差异极显著;5 年生以后各年龄级间的生根率均差异显著。认为4 年生以上母株的扦插繁殖年龄效应明显, 特别是8 年生母株, 无论是生根时间, 还是生根率及其他生根性状, 表现出极明显的年龄效应。建议利用优良亲本子代幼树作为采穗母株。经比较同龄扦插与实生起源母株的插穗生根性状, 发现继代扦插对马尾松母株复壮有较好效果。图1 表5 参10 。
- 马尾松 /
- 扦插繁殖 /
- 年龄效应 /
- 母株复壮
Abstract: Rooting traits of cuttings from two , four , five , six and eight years old masson pine (Pinus massoniana) ortets in the same provenance were analysed after the cuttings were rooted in full exposure mist bed for three monthes .Except sum of the branch roots and the diameter of the longest root , the cyclophysis was found in time for callusing and rooting , sum of the adventitious roots , length of the longest root , total length of the roots and root rate , especially in eight years old ortet .Root effective index of cuttings from two years old ortets was heighest (0.646) , and that from eight years old ones was the lowest (0.056) .However , variation of cuttings from two and four years old ortets was not notable . Therefore , using the seedlings of the half-sib or full-sib families as the masson pine ortets was proposed . In order to solve the probleme of cyclophysis , cuttings from stecklings and seedlings were compared .As a result , the root rate and root effective index from stecklings were eighty percent and 0.451 respectively , higher than those from seedlings sixty-five percent and 0.195 .And , other root traits of cuttings from stecklings were better than those from seedlings indicated that serial cutting rooting could rejuvenate the masson pine ortets .
- Pinus massoniana /
- propagation by cutting /
- cyclophysis /
- ortet rejuvenation

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马尾松扦插繁殖年龄效应及继代扦插复壮效果

1. 南京林业大学森林资源与环境学院, 江苏南京210037

基金项目:

九五国家科技攻关资助项目(96-011-01-01)

作者简介:
季孔庶(1965-), 男, 浙江宁海人, 博士, 从事林木遗传育种研究。

通信作者: 季孔庶(1965-), 男, 浙江宁海人, 博士, 从事林木遗传育种研究。

刊出日期: 1999-12-20

中图分类号: S722 ;Q945.52

关键词:

摘要: 分析马尾松同种源异龄(2 , 4 , 5 , 6 , 8 年生)母株插穗的生根性状, 发现2 ～ 4 年生母株插穗的生根性状间无显著性差异, 从量化水平上证实运用常规的扦插技术, 采用4 年生以内的马尾松母株插穗是比较可行的。2 年生与5 年生母株间插穗的不定根数、最长不定根长和生根率差异显著, 根总长差异极显著;5 年生以后各年龄级间的生根率均差异显著。认为4 年生以上母株的扦插繁殖年龄效应明显, 特别是8 年生母株, 无论是生根时间, 还是生根率及其他生根性状, 表现出极明显的年龄效应。建议利用优良亲本子代幼树作为采穗母株。经比较同龄扦插与实生起源母株的插穗生根性状, 发现继代扦插对马尾松母株复壮有较好效果。图1 表5 参10 。

English Abstract

Cyclophysis and effect of rejuvenation with continued cottage in Pinus massoniana cutting propagation

1. College of Forest Resources and Environment , Nanjing Forestry University , Nanjing 210037, Jiangsu, China

Publish Date: 1999-12-20

Keywords:

Abstract: Rooting traits of cuttings from two , four , five , six and eight years old masson pine (Pinus massoniana) ortets in the same provenance were analysed after the cuttings were rooted in full exposure mist bed for three monthes .Except sum of the branch roots and the diameter of the longest root , the cyclophysis was found in time for callusing and rooting , sum of the adventitious roots , length of the longest root , total length of the roots and root rate , especially in eight years old ortet .Root effective index of cuttings from two years old ortets was heighest (0.646) , and that from eight years old ones was the lowest (0.056) .However , variation of cuttings from two and four years old ortets was not notable . Therefore , using the seedlings of the half-sib or full-sib families as the masson pine ortets was proposed . In order to solve the probleme of cyclophysis , cuttings from stecklings and seedlings were compared .As a result , the root rate and root effective index from stecklings were eighty percent and 0.451 respectively , higher than those from seedlings sixty-five percent and 0.195 .And , other root traits of cuttings from stecklings were better than those from seedlings indicated that serial cutting rooting could rejuvenate the masson pine ortets .

季孔庶, 王章荣, 陈天华, 王明庥. 马尾松扦插繁殖年龄效应及继代扦插复壮效果[J]. 浙江农林大学学报, 1999, 16(4): 341-345.

引用本文:

季孔庶, 王章荣, 陈天华, 王明庥. 马尾松扦插繁殖年龄效应及继代扦插复壮效果[J]. 浙江农林大学学报, 1999, 16(4): 341-345.