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Baniya, Ganesh, Dhital, Madhav, Shrestha, Arjun, Shrestha, Aashish, Pandey, Srijana. (1404). Effect of Growing Altitude and Post-Harvest Treatments with Gibberellic Acid on Quality and Shelf Life of Sweet Orange (Citrus sinensis Osbeck.). , 12(4), 1143-1158. doi: 10.22059/ijhst.2025.374098.804
Ganesh Baniya; Madhav Dhital; Arjun Kumar Shrestha; Aashish Shrestha; Srijana Pandey. "Effect of Growing Altitude and Post-Harvest Treatments with Gibberellic Acid on Quality and Shelf Life of Sweet Orange (Citrus sinensis Osbeck.)". , 12, 4, 1404, 1143-1158. doi: 10.22059/ijhst.2025.374098.804
Baniya, Ganesh, Dhital, Madhav, Shrestha, Arjun, Shrestha, Aashish, Pandey, Srijana. (1404). 'Effect of Growing Altitude and Post-Harvest Treatments with Gibberellic Acid on Quality and Shelf Life of Sweet Orange (Citrus sinensis Osbeck.)', , 12(4), pp. 1143-1158. doi: 10.22059/ijhst.2025.374098.804
Baniya, Ganesh, Dhital, Madhav, Shrestha, Arjun, Shrestha, Aashish, Pandey, Srijana. Effect of Growing Altitude and Post-Harvest Treatments with Gibberellic Acid on Quality and Shelf Life of Sweet Orange (Citrus sinensis Osbeck.). , 1404; 12(4): 1143-1158. doi: 10.22059/ijhst.2025.374098.804

Effect of Growing Altitude and Post-Harvest Treatments with Gibberellic Acid on Quality and Shelf Life of Sweet Orange (Citrus sinensis Osbeck.)

International Journal of Horticultural Science and Technology
دوره 12، شماره 4، آذر 2025، صفحه 1143-1158    اصل مقاله (579.6 K)
نوع مقاله: Research paper
شناسه دیجیتال (DOI): 10.22059/ijhst.2025.374098.804
نویسندگان
Ganesh Baniya* 1؛ Madhav Dhital1؛ Arjun Kumar Shrestha2؛ Aashish Shrestha3؛ Srijana Pandey1
1Department of Horticulture, Faculty of Agriculture, Agriculture and Forestry University, Rampur, Chitwan, Nepal
2Agriculture and Forestry University
3Department of Horticulture, Institute of Agriculture and Animal Science, Tribhuvan University, Nepal
چکیده
An experiment was conducted from November 2021 to January 2022 at the horticulture laboratory of Agriculture and Forestry University, Rampur, Chitwan, Nepal. The experiment was laid out as a factorial based on a Completely Randomized Design with 12 treatments (three levels of altitude and four post-harvest treatments) and three replications. Fruits were harvested from altitudes of 970, 1100, and 1230 meters above sea level. The post-harvest treatments were GA3 (150 ppm, 100 ppm, 50 ppm), and control (distilled water). Notably, at 30 DAS, fruits from the 970 masl elevation showcased impressive results: the lowest post-harvest loss (PLW) at just 9.33%, an abundant juice content of 42.71%, and a high ascorbic acid level of 31.12 mg 100 g-1. In contrast, fruits from 1230 masl elevation had higher firmness (4.95 kg cm-2), titratable acidity (1.16 %), and extended shelf life (29.75 days) with lower TSS (10.58 0Brix) and TSS/TA ratio. Among the GA3 treatments, GA3 @ 150 ppm was most effective in minimizing PLW (9.37%), TSS (10.20 0Brix), and juice pH (3.38) while enhancing juice content, ascorbic acid (32.07 mg 100 g-1), higher firmness (5.19 kg cm-2), and prolonging shelf life (34 days). This study recommends using GA3 in 150 ppm sweet oranges harvested from higher altitudes to optimize post-harvest quality.
کلیدواژه‌ها
altitude؛ gibberellic acid؛ post-harvest treatments؛ sweet orange
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