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Study on Relationship Between Electrical Impedance Spectroscopy Parameters and Frost Hardiness in Peach Stem During Dehardening(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2014年06期
Page:
11-14
Research Field:
Publishing date:

Info

Title:
Study on Relationship Between Electrical Impedance Spectroscopy Parameters and Frost Hardiness in Peach Stem During Dehardening
Author(s):
ZHANG Hai-wang; CHEN Hai-jiang; ZHANG Xue-ying; HAO Jian-bo
Horticultural Department,Agricultural University of Hebei,Baoding,Hebei 071000
Keywords:
Prunus persica (L.)Batsch;  electrical impedance spectroscopy (EIS); frost hardness; dehardening
PACS:
S 662.1
DOI:
-
Abstract:
Taking ‘Yanhong’[Prunus persica (L.) cv.Yanhong]and ‘Zhonghua Shoutao’[Prunus persica (L.) cv.Zhonghua Shoutao]that showing stronger and weaker anti-cold abilities as materials respectively,electrolyte leakage(EL) method were utilized to determine frost hardiness on peach stem,the relationship between electrical impedance spectroscopy (EIS) parameters and frost hardiness were studied.The results showed that,the frost hardiness using ELS measurement was more consistant than EL measurement.The relevance of re was the highest for ‘Zhonghua Shoutao’,reached to 0.982,the relevance reached to 0.856 for ‘Yanhong’.Non-frost-exposed parameters and frost hardiness had higher relevance,the relevance of extracellular resistance (re) was the highest,‘Yanhong’,which reached to -0.983,while the relevance of relaxation time (τ) and extracellular resistance (re) reached to 0.935 and -0.808 for ‘Zhonghua Shoutao’；while indicating that re and τ was the best parameter to measure the frost hardiness in peach stem during dehardening and re was the best parameter by comparing the parameters of path coefficient measured t.

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Last Update: 2014-08-10