|Table of Contents|

Effect of Exogenous Hormones 6-Benzylaminopurine and Gibberellin A3 on Growth and Contents of Soluble Sugar of Dendrobium officinale(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2016年10
Page:
144-147
Research Field:
Publishing date:

Info

Title:
Effect of Exogenous Hormones 6-Benzylaminopurine and Gibberellin A3 on Growth and Contents of Soluble Sugar of Dendrobium officinale
Author(s):
QIN Jieming; ZHANG Dangquan; HE Hanjie
(Key Laboratory of Cultivation and Protection for Non-Wood Forest Trees，Ministry of Education,Central South University of Forestry and Technology/Hunan Provincial Key Laboratory of Forestry Biotechnology，Changsha，Hunan 410004)
Keywords:
Dendrobium officinale; 6-Benzylaminopurine; gibberellin A3; salt stress; soluble sugar; pigment
PACS:
-
DOI:
10.11937/bfyy.201610037
Abstract:
Taking seedling of Dendrobium officinale as materials,under salt stress condition (100 mmol?L-1)，the effects of 6-Benzylaminopurine (6-BA) and gibberellin A3 (GA3) on its growth，contents of pigments and soluble sugar were studied.The results showed that the growth rate of root of Dendrobium officinale treated by 2.0 mg?L-1 6-BA was enhanced remarkably，and 4.0 mg?L-1 GA3 obviously raised its growth rate of root，but both 6-BA and GA3 reduced growth rate of stem.2.0 mg?L-1 6-BA decreased the content of chlorophyll b，while 4.0 mg?L-1 6-BA increased the content of chlorophyll b，but different concentration of 6-BA had no obvious effects on the contents of chlorophyll a and caroteniod.2.0 mg?L-1 GA3 lifted the contents of chlorophyll a，chlorophyll b and caroteniod，but 6.0 mg?L-1 GA3 reduced the content of chlorophyll b.Both 4.0 mg?L-1 6-BA and 6.0 mg?L-1 GA3 enhanced the content of soluble sugar.So adding appropriate concentration of exogenous hormones promoted synthesis and accumulation of soluble sugar in seedling of Dendrobium officinale

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Last Update: 2016-07-12