|Table of Contents|

Effects of Low Temperature Stress on PhysiologicalCharacteristics of Several Rose Rootstocks

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2023年12
Page:
59-65
Research Field:
Publishing date:

Info

Title:
Effects of Low Temperature Stress on PhysiologicalCharacteristics of Several Rose Rootstocks
Author(s):
WANG Ruhua1; DING Jiumin2; ZHANG Qifa1
(1.College of Horticulture and Landscape,Heilongjiang Bayi Agricultural University，Daqing，Heilongjiang 163319；2.Lianyungang Technical Colloge，Lianyungang，Jiangsu 222000)
Keywords:
rose; rootstocks; cold resistance; physiological characteristics
PACS:
-
DOI:
10.11937/bfyy.20224551
Abstract:
Five rose rootstocks varieties including ‘Baiyutang’‘Handiyueji’‘Fentuanqiangwei’‘Shizimei’ and ‘Gouqiangwei’ were used as test materials，the effects of temperature on branch growth，antioxidant enzyme activity，cell membrane function and osmotic regulatory substance content of 5 rose rootstocks varieties were studied at three artificial temperature treatments (4 ℃，3 ℃ and -10 ℃)，respectively，in order to provide reference for the utilization of rose rootstock.The results showed that as the temperature decreased，the germination rate and rooting rate of the branches of rose rootstock was decreased，the growth of roots was inhibited，the activities of peroxidase (POD)，catalase (CAT) and superoxide dismutase (SOD) were enhanced，and the contents of relative conductivity，malondialdehyde (MDA)，proline，soluble sugar and soluble protein were increased.Among them，‘Handiyueji’ showed strong tolerance to low temperature stress through significantly improving the activities of antioxidant enzymes，content of osmotic regulatory substances，and maintaining the normal function of cell membrane.In conclusion，‘Handiyueji’ showed the strongest cold tolerance among 5 varieties，followed by ‘Fentuanqiangwei’ and ‘Baiyutang’，while the cold tolerance of ‘Shizimei’ and ‘Gouqiangwei’ was the worst.

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Last Update: 2023-07-31