Paper Information

Journal:   PAJOUHESH-VA-SAZANDEGI   SUMMER 2007 , Volume 20 , Number 2 (75 IN AGRONOMY AND HORTICULTURE); Page(s) 43 To 49.
 
Paper: 

EFFECT OF METHYL JASMONATE ON INDUCING CHILLING TOLERANCE IN POMEGRANATE FRUITS (MALAS SAVE)

 
 
Author(s):  RANJBAR H., ZOU ALFAGHARI NASAB R., GHASEMNEZHAD M.*, SARKHOUSH A.
 
* DEPARTMENT OF HORTICULTURAL SCIENCE UNIVERSITY OF GUILAN
 
Abstract: 

Susceptibility to chilling injury in pomegranate fruits is the main limiting factor for storage fruits in low temperatures. Inducing chilling tolerance may make possible to store fruits in low temperature for long time. In this study effect of different concentrations of methyl jasmonate (8, 16 and 24 ml.L) on inducing chilling tolerance of pomegranate fruits (Malas Save) was investigated. Qualitative attributes of treated fruits in different times during low temperature storage and also after transferring were to high emperature was investigated. The results showed that methyl jasmonate suppressed chilling injury and water loss and preserved appearance in pomegranate fruits without any deleterious effect on internal quality. Chilling injury was reduced significantly with increasing methyl jasmonate concentration. fruits chilling injury reduced significantly. The highest chilling injury index was found in control fruits and the lowest one was for 24 ml. L during storage in low temperature and also after keeping at high temperature. Furthermore, no significant difference were found between treated and control fruits all total soluble solids (TSS) and titratable acidity. In general, fruits treated with 24 ml.L methyl jasmonate showed the best appearance with the most controlling effect on  chilling injury.

 
Keyword(s): POMEGRANATE, CHILLING INJURY, QUALITY, METHYL JASMONATE, POST HARVEST AND WATER LOSS
 
References: 
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