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Unravelling physiological and biochemical attributes influencing post harvest quality of gladiolus spikes after packaging and low temperature storage

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Title Unravelling physiological and biochemical attributes influencing post harvest quality of gladiolus spikes after packaging and low temperature storage
 
Creator Jhanji, Shalini
Dhatt, Kiranjeet Kaur
 
Subject Antioxidant enzymes
Modified Atmosphere Packaging
Sword lilies
Vase Life
 
Description 41-48
The perishable nature of flowers urge for their appropriate post harvest management especially storage and packaging
that keep the quality and potential vase life for better value. Gladiolus, commonly called as Sword lily, is a commercially
important cut flower crop with elegant spikes, bright florets and good keeping quality. In the present study, we investigated
the physiological and biochemical attributes affecting post harvest life of gladiolus spikes after packaging and storage.
The spikes of four gladiolus cvs. Punjab Glance, Punjab Glad-1, Punjab Glad-2 and Punjab Pink Elegance were
harvested at tight bud stage and packed in PP sleeves (25 μm) and stored vertically at 4-5°C for 6, 9 and 12 days.
After storage, the post harvest quality of both packed and unpacked spikes declined with more adverse effect on
unpacked spikes. Among different storage durations, the spikes stored for 9 days showed good keeping quality parameters
viz., vase life, per cent flower opened, floret size, days to opening of basal floret, maximum number of florets open
at one time and water absorbed per spike which were at par with spikes stored for 6 days. The spikes stored for 12 days
were found to be unacceptable in comparison to freshly harvested spikes and spikes stored for 6 and 9 days. The improved
quality of spikes stored in sleeves could be accounted due to higher membrane stability index, relative water content,
catalase and peroxidase activity as compared to unpacked spikes. Thus, loss in quality of spikes as compared to fresh
during storage up to 9 days in PP sleeves is better than the complete loss of produce during transportation and gluts.
Hence, the spikes of gladiolus could be stored dry at 4±0.5°C in PP sleeves for 9 days without much influence on its post
harvest quality.
 
Date 2021-12-31T11:09:47Z
2021-12-31T11:09:47Z
2022-01
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscair.res.in/handle/123456789/58803
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEB Vol.60(1) [Jan 2022]