|Table of Contents|

Optimization of Factors Affecting Induction and Differentiation of Bud Segments of Eucommia ulmoides Oliver

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年05
Page:
32-38
Research Field:
Publishing date:

Info

Title:
Optimization of Factors Affecting Induction and Differentiation of Bud Segments of Eucommia ulmoides Oliver
Author(s):
LI Xiang1GUO Jinping2ZHANG Yunxiang1
(1.College of Forestry,Shanxi Agricultural University,Taigu,Shanxi 030801;2.College of Graduate Studies,Shanxi Agricultural University,Taigu,Shanxi 030801)
Keywords:
Eucommia ulmoides Olivertissue culturestem segmentaxillary bud induction
PACS:
-
DOI:
10.11937/bfyy.20182802
Abstract:
The young stem segments of Eucommia ulmoides Oliver were used as materials,tissue culture method was used,the effects of disinfection time,basic medium,NAA concentration,6-BA concentration,low temperature treatment time and culture environment on the induction of Eucommia ulmoides Oliver axillary buds and the differentiation of Eucommia ulmoides Oliver were investigated,in order to provide a basis for establishing an efficient tissue culture system of Eucommia ulmoides Oliver.The results showed that the best disinfection time was 9 minutes,and the rate of pollution and mortality were lower,10.00% and 26.67% respectively;the basic medium for axillary buds induction was MS medium,with an induction rate of 91.66%;when the induction medium was MS+0.2 mg?L-1 6-BA+0.03 mg?L-1 NAA,the induction rate of axillary buds was 93.33% and it grew well;when the low temperature treatment time was 24 hours,explant induction effect was the best,and browning rate was the lowest,5.00%;compared with dark culture,light culture conditions were more conducive to the induction and growth of axillary buds of Eucommia ulmoides;MS+1.5 mg?L-1 6-BA+0.1 mg?L-1 NAA was the best medium for callus differentiation,MS+2.5 mg?L-1 6-BA+0.1 mg?L-1 NAA was the best medium for bud proliferation.

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Last Update: 2019-03-28