J. Biosci. Agric. Res. | Volume 23, Issue 01, 1885-1893 | https://doi.org/10.18801/jbar.230120.232
Article type: Research article | Received: 06.10.19; Revised: 20.12.19; First published online: 04 January 2020.
Article type: Research article | Received: 06.10.19; Revised: 20.12.19; First published online: 04 January 2020.
Effect of ethephon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal
M. Sapkota 1, D. Pandey 1, B. Shrestha 2 and S. Sapkota 1
1 Agriculture and Forestry University, Rampur, Chitwan, Nepal.
2 Dept. of Horticulture, Agriculture and Forestry University, Rampur, Chitwan, Nepal.
✉ Corresponding author email: [email protected].
1 Agriculture and Forestry University, Rampur, Chitwan, Nepal.
2 Dept. of Horticulture, Agriculture and Forestry University, Rampur, Chitwan, Nepal.
✉ Corresponding author email: [email protected].
Abstract
An experiment was conducted in laboratory of Rural Development Tuki Association, Dolakha in 2019 to study the effect of ethephon on post-harvest characteristics of kiwifruit and identify appropriate concentration required for timely ripening of kiwis. Monty variety of kiwi was used under study. The experiment was laid out in Completely Randomized Design (CRD) with five treatments having different concentration of ethephon i.e. T1 = Control, T2 = 100 ppm, T3 = 300 ppm, T4 =500 ppm and T5 = 700 ppm, each replicated four times. The study showed that maximum TSS (16.630brix) was observed in the fruits treated with 700 ppm at the end of ripening period which was statistically at par with 500 ppm whereas minimum TSS (12.00brix) was observed in control fruits during 30th day after treatment. At the peak period of ripening, fruits treated with 700 ppm led to lowest titratable acidity (0.66%), maximum TSS/TA (25.57), maximum physiological weight loss(17.28%) and highest Ph(4.08) whereas Control fruits showed maximum acid content (1.1%), minimum TSS/TA(12.1), lowest physiological weight loss ( 11.8%) and lowest Ph (3.5) during 3oth day of treatment. The storage life of fruits treated with 700 ppm was minimum (16.25 days) followed by 500 ppm (22.13 days) which was maximum (48.25 days) in case of control fruits. Eating quality declined significantly in highest dose (700ppm) of ethephon at the end of ripening period and in this stage, 500 ppm ethephon developed very good edible quality (2.75) followed by 300 ppm (2.25). In a nutshell, considering the post-harvest life and quality attributes, the concentration of ethephon ranging from (500-700) ppm was found appropriate for timely ripening of kiwi.
Key Words: Kiwifruit, Climacteric, Ethephon, Post-harvest and Ripening
An experiment was conducted in laboratory of Rural Development Tuki Association, Dolakha in 2019 to study the effect of ethephon on post-harvest characteristics of kiwifruit and identify appropriate concentration required for timely ripening of kiwis. Monty variety of kiwi was used under study. The experiment was laid out in Completely Randomized Design (CRD) with five treatments having different concentration of ethephon i.e. T1 = Control, T2 = 100 ppm, T3 = 300 ppm, T4 =500 ppm and T5 = 700 ppm, each replicated four times. The study showed that maximum TSS (16.630brix) was observed in the fruits treated with 700 ppm at the end of ripening period which was statistically at par with 500 ppm whereas minimum TSS (12.00brix) was observed in control fruits during 30th day after treatment. At the peak period of ripening, fruits treated with 700 ppm led to lowest titratable acidity (0.66%), maximum TSS/TA (25.57), maximum physiological weight loss(17.28%) and highest Ph(4.08) whereas Control fruits showed maximum acid content (1.1%), minimum TSS/TA(12.1), lowest physiological weight loss ( 11.8%) and lowest Ph (3.5) during 3oth day of treatment. The storage life of fruits treated with 700 ppm was minimum (16.25 days) followed by 500 ppm (22.13 days) which was maximum (48.25 days) in case of control fruits. Eating quality declined significantly in highest dose (700ppm) of ethephon at the end of ripening period and in this stage, 500 ppm ethephon developed very good edible quality (2.75) followed by 300 ppm (2.25). In a nutshell, considering the post-harvest life and quality attributes, the concentration of ethephon ranging from (500-700) ppm was found appropriate for timely ripening of kiwi.
Key Words: Kiwifruit, Climacteric, Ethephon, Post-harvest and Ripening
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MLA
Sapkota et al. “Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal.” Journal of Bioscience and Agriculture Research 23(01) (2020): 1885-1893.
APA
Sapkota, M., Pandey, D., Shrestha, B. and Sapkota, S. (2020). Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal. Journal of Bioscience and Agriculture Research, 23(01), 1885-1893.
Chicago
Sapkota, M., Pandey, D., Shrestha, B. and Sapkota, S. “ Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal.” Journal of Bioscience and Agriculture Research 23(01) (2020): 1885-1893.
Harvard
Sapkota, M., Pandey, D., Shrestha, B. and Sapkota, S. (2020). Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal. Journal of Bioscience and Agriculture Research, 23(01), pp. 1885-1893.
Vancouver
Sapkota, M, Pandey, D, Shrestha, B, Sapkota, S. Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal. Journal of Bioscience and Agriculture Research. 2020 January 23(01): 1885-1893.
Sapkota et al. “Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal.” Journal of Bioscience and Agriculture Research 23(01) (2020): 1885-1893.
APA
Sapkota, M., Pandey, D., Shrestha, B. and Sapkota, S. (2020). Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal. Journal of Bioscience and Agriculture Research, 23(01), 1885-1893.
Chicago
Sapkota, M., Pandey, D., Shrestha, B. and Sapkota, S. “ Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal.” Journal of Bioscience and Agriculture Research 23(01) (2020): 1885-1893.
Harvard
Sapkota, M., Pandey, D., Shrestha, B. and Sapkota, S. (2020). Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal. Journal of Bioscience and Agriculture Research, 23(01), pp. 1885-1893.
Vancouver
Sapkota, M, Pandey, D, Shrestha, B, Sapkota, S. Effect of ethepon on post-harvest characteristics of kiwi (Actinidia deliciosa cv. Monty) in Dolakha, Nepal. Journal of Bioscience and Agriculture Research. 2020 January 23(01): 1885-1893.
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