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Predicting the optimum harvesting dates for different exotic apple varieties grown under North Western Himalayan
Nazrana Rafique Wani1, Syed Zameer Hussain1, Gopinath Bej2
1Division of Food Science and Technology, Sher-e-Kashmir University of Agriculture Sciences and Technology of Kashmir, Shalimar 190025, India.
Abstract:
Acoustic system and machine vision were used to evaluate the effects of different harvest dates on the quality and sensory attributes of exotic apple varieties of North Western Himalayan. Gala Redlum (V1) was harvested at 110 (H1), 120 (H2) and 130 (H3) Days from Full Bloom (DFFB); Red Velox (V2) and Super Chief (V3) were harvested at 130 (H1), 140 (H2) and 150 (H3) DFFB. Highest acoustic coefficient (21.13) and firmness (20.72 lbs) recorded at first harvest date (H1) decreased significantly (p (19.86 to 17.90 lbs) at second harvest (H2) and (17.77 to 16.80 lbs) at third harvest date. Highest starch iodine rating (3.72); anthocyanin content (24.81 mg/100 g); total soluble solids (12.10 %); total sugars (8.75 %) were recorded at H3 in all the varieties. For Gala Redlum (V1) 130 DFFB and for Red Velox (V2) and Super Chief (V3) 150 DFFB were predicted as suitable harvesting dates for table consumption.
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