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抗松材线虫赤松组培繁殖优良家系的筛选(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2013年02期
Page:
50-54
Column:
研究论文
publishdate:
2013-03-31

Article Info:/Info

Title:
Selection of wilt-resistant Pinus densiflora superior families for tissue culture propagation
Author(s):
LI QingqingYE Jianren* WU Xiaoqin
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Pinus densiflora tissue culture propagation superior families
Classification number :
S722.3+7; S763
DOI:
10.3969/j.issn.1000-2006.2013.02.009
Document Code:
A
Abstract:
Using the embryo seedlings with cotyledons of 27 wilt-resistant Pinus densiflora families as explants, superior families which were good growth vigor, high multiplication rate and strong rooting ability were selected. The average elongation percentages of No.1, 8, 10, 13, 22 and 25 families were up to above 100%; With the increase of proliferation generations, the multiplication coefficient of clustered shoots in each family was variable, but the overall trend was that multiplication coefficient of clustered shoots from generation 1 to generation 2 increased with generation increase, and multiplication coefficient from generation 2 to generation 3 decreased; Adventitious root induction rate of wilt-resistant P. densiflora clones was different, 19-B clone of wilt-resistant P. densiflora was the highest,up to 95.8%.

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Last Update: 2013-03-31