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激素和光照对抗松材线虫病赤松丛生芽离体保存的影响(PDF)

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

Issue:
2011年05期
Page:
31-34
Column:
研究论文
publishdate:
2011-09-30

Article Info:/Info

Title:
Effects of hormone and light on in vitro preservation of axillary buds of Pinus densiflora resistant to pine wilt disease
Author(s):
QIN Li WU Xiaoqin*
Jiangsu Key Laboratory for Prevention and Management of Invasive Species, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Pinus densiflora pine wilt disease hormone light preservation in vitro
Classification number :
S722.3
DOI:
10.3969/j.jssn.1000-2006.2011.05.007
Document Code:
A
Abstract:
In order to preserve axillary buds of the Pinus densiflora with excellent resistance against Bursaphelenchus xylophilus, the effects of different treatments of phytohormones and light on bud preservation were studied. It showed that dark condition was not favorable to in vitro bud preservation at 17 ℃. On the contrary, addition of 1.0 mg/L ABA or 02 mg/L 6BA plus 0.1-0.2 mg/L NAA under lightdark alteration had a positive effect on the bud preservation. In this condition, survival rate of the axillary buds was 94 % or higher and all survived buds proliferated well.

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Last Update: 2011-09-30