Extending the Self-Life of Sapota Varieties in Cold Storage with Application of GA,
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Date
2009-05
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Pomology Department, ASPEE College of Horticulture and Forestry Gujarat Agricultural University, Navsari
Abstract
With the objective of assessing the effect of post harvest
dipping of GA3 150 mg 1-1 and cold storage temperature treatments
for improving the quality and extending the shelf-life of different
sapota varieties viz., Kalipatti, PKM-l, CO-2, Singapore and
Kirthibarthi, an experiment was carried out using three cold storage
temperature viz., 5°C, 12°C and 15°C in the laboratory of
Department of Post Harvest Technology, ASPEE College of
Horticulture and Forestry, Navsari Agricultural University, Navsari
with the collaboration of Post Harvest Technology Centre, N.A.U.,
Navsari during the year 2008.
The post harvest application of GA3 150 ppm mg 1-1
before cold storage resulted in regulation of ripening and also
maintained desirable qualities viz., sugars, TSS, less ripening
percentage and less physiological weight loss of sapota fruits. The
fruits stored under cold storage showed late ripening as compared to
ambient condition. The cold storage temperature at 12°C extended
the shelf-life without impairing the quality of sapota fruits as
compared to rest of treatments. Sapota varieties stored at soC found
to be effective in controlling weight loss as well as other ripening
processes but did not ripened throughout the storage period due to
chilling injury.
Among the five sapota varieties, fruits of Kalipatti were
found to be superior due to its maximum shelf life and very good
quality parameters . Moreover PKM-l and CO-2 varieties was also
found good with respect to post harvest quality.
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Citation
PATEL RUTVIKUMAR GHANSHYAMBHAI_40784