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Postharvest treatments to reduce chilling injury in summer squash (Cucurbita pepo) fruits during storage

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Title Postharvest treatments to reduce chilling injury in summer squash (Cucurbita pepo) fruits during storage
POSTHARVEST APPLICATION OF ANTI-CHILLING MOLECULES
 
Creator Pankaj Kumar Kannaujia
Ram Asrey
Awani Kumar Singh
Eldho Varghese
 
Subject Chilling injury
Electrolyte leakage
Malondialdehyde content
Salicylic acid
Sodium nitroprusside
 
Description Not Available
The present study was carried out to minimize postharvest problems of chilling injury during cold storage by the
application of anti-chilling compounds, viz. salicylic acid (SA), sodium nitroprusside (SNP) and a nitric oxide donor (NO). For minimizing chilling injury symptoms summer squash (Cucurbita pepo L.) fruits were treated with salicylic acid (1.0–1.5 mM) and sodium nitroprusside(1.0–1.25 mM) followed by cold storage at 5±2ºCand 85–90% relative humidity. Among the used anti-chilling molecules, salicylic acid @1.0 mM provides the best results for minimizing chilling injury score (0.74) and proline content (333.87 μg/g) during cold storage. Fruits treated with 1.5 mM SA and 1.0 mM SNP showed a 37.42% and 27.42% lower electrolyte leakage as compared to control. In the case of malondialdehyde (MDA) content, 1.0 and 1.5 mM SA dose showed a ≈39% and ≈36% lower content than control. Higher fruit firmness (7.07 N) retention was found in 1.0 mM sodium nitroprusside and followed by 1.0 mM salicylic acid (6.96 N) treated fruits. Overall 1.0 mM salicylic acid followed by 1.0 mM sodium nitroprusside proves better for prevention of chilling injury and lower production of malondialdehyde content.
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Date 2022-04-27T10:55:39Z
2022-04-27T10:55:39Z
2019-10-31
 
Type Research Paper
 
Identifier Kannaujia P K, Asrey R, Singh A K and Varghese E (2019). Postharvest treatments to reduce chilling injury in summer squash (Cucurbita pepo) fruits during storage. Indian Journal of Agricultural Sciences 89(10): 1633–37
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http://krishi.icar.gov.in/jspui/handle/123456789/71747
 
Language English
 
Relation Not Available;
 
Publisher Not Available