|Table of Contents|

Comparison and Research on Drought Resistance of Five Rose Varieties

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年14
Page:
71-81
Research Field:
Publishing date:

Info

Title:
Comparison and Research on Drought Resistance of Five Rose Varieties
Author(s):
JIA Xiaoli1; CHEN Zhongping2; WU Yuanyuan2; QU Zhenyang3; JIANG Ping1
(1.College of Agriculture,Shihezi University,Shihezi,Xinjiang 832003;2.Shihezi Tianjing Garden Co.Ltd.,Shihezi,Xinjiang 832003；3.Agricultural Development Service Center of the 161th Regiment of the Ninth Division of Xinjiang Production and Construction Corps,Yumin,Xinjiang 834800)
Keywords:
introduction; rose varieties; drought resistance; PEG-6000
PACS:
-
DOI:
10.11937/bfyy.20193514
Abstract:
The biennial seedlings of five different rose varieties(‘Golden Phoenix’‘Hot Wax’‘Galivada’‘Yan Li’‘Love’)were used as experimental materials.Five potted rose varieties were treated with PEG-6000 concentrations to simulate drought at seven levels(0%,5%,10%,15%,20%,25%,30%).The indexes of SOD,POD,CAT,electric conductivity,chlorophyll and MDA were analyzed to explore the response of different introduced rose varieties to different drought resistance treatments.The results showed that based on the measurement of the enzyme activity index,under the same concentration of PEG-6000,‘Love’ catalase (CAT) activity was greater,which could resisted PEG-6000 10%-15% concentration of drought environment,and at the level of CAT,the optimal treatment combination was ‘Galivada’ at 30% treatment.Combined with the determination of malondialdehyde (MDA) and conductivity values,the ‘Hot Wax’had a strong drought resistance capacity at 5%-10%,and optimal treatment combination was ‘Yan Li’ at 30% and 10% treatment.‘Hot Wax’ could significantly increase the chlorophyll content at 20% treatment,and at the chlorophyll level,the optimal treatment combination was ‘Love’ at 30% treatment.According to the comprehensive evaluation result of the membership function,the comprehensive order of drought resistance of five cultivars was ‘Hot Wax’>‘Love’>‘Yan Li’>‘Galivada’>‘Golden Phoenix’,and for these five cultivars,the best optimal PEG-6000 treatment was the concentration ranges from 20%-30%.

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Last Update: 2020-09-15