Effect of bagging on litchi fruit cv. Dehradun
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Date
2021-03
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Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu
Abstract
The present investigation entitled “Effect of bagging on litchi fruit cv. Dehradun” was carried out at Fruit nursery, Department of the Horticulture, Marallia (Miran Sahib) Jammu during 2018-19. Different bagging materials (brown paper bag, newspaper bag, muslin cloth bag, butter paper bag, laminated brown paper bag, white polypropylene bag, pink polypropylene bag) were used in combination with different time of bagging (20 days, 30 days and 40 days after fruit set). Results revealed that panicles bagged with pink polypropylene bag 40 days after fruit set showed least fruit cracking (14.02 %) and pericarp sunburn (18.85 %) whereas this treatment resulted in maximum fruit retention per panicle (54.92%) and fruit yield (78.81 kg/tree). Among the various physical parameters studied, fruit weight (21.64 g), fruit length (4.21cm), fruit breadth (3.96 cm) fruit volume (21.32 cc), specific gravity (1.02), pulp weight (15.94 g) and stone weight (3.06 g) were also found maximum in pink polypropylene bag in combination with 40 days after fruit set. Pink polypropylene bag in combination with bagging at 40 days after fruit set was also superior in terms of chemical parameters of fruits viz., total soluble solids (22.480 Brix), titratable acidity (0.40 %), TSS: acid ratio (56.20), ascorbic acid (24.68 mg/100g), total sugars (17.10 %), reducing sugars (12.83 %), non-reducing sugars (4.06%), anthocyanin content (54.35 mg/100g) and minimum polyphenoloxidase activity (9.0 unit/min/g).The total benefit: cost ratio was found maximum (3.74:1) with pink polypropylene bag in combination with bagging at 40 days after fruit set.3
It is thus concluded that bagging of litchi panicles with pink polypropylene bags is considered best in overall improvement of all physical and bio-chemical parameters when bagged at 40 days after fruit set in litchi cv. Dehradun
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Preferred for your work: Singh, V. P. 2021. Effect of bagging on litchi fruit cv. Dehradun. M.Sc. thesis, Sher-e-Kashmir University of Agricultural Sciences and Technology of Jammu, J&K UT, India