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Effects of Put on Seed Germination and Resistance of Phaseolus vulgaris Under Imbibition and Chilling Injury(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2019年13
Page:
10-16
Research Field:
Publishing date:

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Title:
Effects of Put on Seed Germination and Resistance of Phaseolus vulgaris Under Imbibition and Chilling Injury
Author(s):
LIU Chang; LI Jiayin; LIU Dajun; YANG Xiaoxu; FENG Guojun
(Crop Research Institute,Heilongjiang University，Harbin,Heilongjiang 150000)
Keywords:
Phaseolus vulgaris; seed; imbibition and chilling injury; Put
PACS:
-
DOI:
10.11937/bfyy.20183754
Abstract:
In order to improve the germination rate of Phaseolus vulgaris seeds under imbibition and chilling injury，and alleviate the damage of imbibition and ichilling injury to snap bean seeds.In the study，the seeds of Phaseolus vulgaris ‘Renaya’，which were of low temperature sensitivity were used as experimental materials.And three treatment groups were set，respectively CK (normal temperature control)，LT (4 ℃ low temperature treatment) and LT+Put (4 ℃ low temperature treatment with Put of 1 mmol?L-1 added) to study the effect of exogenous Put on the germination and resistance of Phaseolus vulgaris seeds under imbibitional chilling.The results showed that the germination rate，germination index and seed vigor in group LT+Put were increased by 87.12%，124.21% and 191.99%，respectively，compared with the group LT.Also，as for the seeds of group LT+Put，their cell membrane permeability and soluble material content increased，antioxidant enzyme activity and content of O?[TX-*4]2，H2O2 and MDA also increased compared with those in group LT.It indicated that the addition of exogenous Put may increase the cell membrane permeability and the content of soluble material，induce the activity of antioxidant enzymes，directly or indirectly regulate the ROS scavenging system to improve the resistance of Phaseolus vulgaris seeds to imbibitional chilling，and improve the germination rate，germination index and seed vigor of Phaseolus vulgaris seeds.

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Last Update: 2019-07-26