|Table of Contents|

Effects of Paclobutrazol on Hedysarum mongolicum Under Drought Condition(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年10
Page:
65-69
Research Field:
Publishing date:

Info

Title:
Effects of Paclobutrazol on Hedysarum mongolicum Under Drought Condition
Author(s):
CHEN Xiaona1GAO Yong1SONG Xiaomin2LI Wanjiao1YANG Shirong1CHENG Bo1
(1.College of Desert Science and Engineering,Inner Mongolia Agricultural University,Hohhot,Inner Mongolia 010019;2.International Centre for Bamboo and Rattan,Beijing 100102)
Keywords:
Hedysarum mongolicumdroughtpaclobutrazolchlorophyll fluorescence parameters
PACS:
-
DOI:
10.11937/bfyy.201710016
Abstract:
Oneyearold Hedysarum mongolicum seedlings were used as material by pot experiment,the effect of different concentrations of paclobutrazol(0 mg?L-1,150 mg?L-1,300 mg?L-1,450 mg? L-1,600 mg?L-1)on chlorophyll fluorescence parameters of Hedysarum mongolicum seedlings under drought resistance was studied.In order to find out the best concentration of paclobutrazol to improve drought resistance of Hedysarum mongolicum.The results showed that qP,ETR,Yield,Fv/Fm,Fv′/Fm′ and Fv/Fo could be increased by paclobutrazol.When paclobutrazol concentration increased,the effectiveness were firstly increased and then decreased.However,qN was significantly inhibited under the high concentration of paclobutrazol(P<0.05).The membership function values of the seven indexes were calculated by use membership function,The most suitable concentration of paclobutrazol was 300 mg?L-1 to improve drought resistance.

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Last Update: 2017-05-31