Effect of Plant Growth Regulators on Fruit Quality of Mulberry
Abstract
The effect of plant growth regulators (PGRs) on fruit quality of mulberry were studied. The PGRs were Brassinosteroids (BRs) at concentrations 0 0.5 and 1.0 mg/l., Gibberellic acid (GA3) at concentrations 0 30 and 50 mg/l. and Auxin 3,5,6-TPA (Maxim®) at concentrations 0 20 and 30 mg/l. The PGRs applications were spraying at 7 days after flower bud breaking. The results showed that BRs at concentrations 1.0 mg/l. Gave the highest TSS/TA and Vitamin C as 17.96% and 4.50 mg/100 g FW respectively, 3,5,6-TPA at concentrations 20mg/l. gave the highest TSS as 12.16 oBrix. While, 3,5,6-TPA at concentrations 30 mg/l. gave the highest %TA and Anthocyanin as 1.54% and 187.71 mg/100 g FW respectively, However PGRs applications had no effect on fruit weight, fruit size and total phenolic compounds. Keywords : Brassinosteroids, Gibberellic acid, 3,5,6-TPA.References
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Ayub, R. A., Reis, L., Lopes, P. Z., & Bosetto, L. (2018). Ethylene and brassinosteroid effect on strawberry ripening after field spray. Revista Brasileira de Fruticultura, 40(3).
Boonyakiat, D. (2005). Postharvest practices for fruits and vegetables. Odeon Store Publishing, Bankok. 142. (in Thai)
Champa, W. H., Gill, M. I. S., Mahajan, B. V. C., & Arora, N. K. (2014). Pre-harvest treatments of brassinosteroids on improving quality of table grapes (Vitis vinifera L.) cv. flame seedless. International Journal of Agricultural Sciences and Veterinary Medicine, 2.
Chatbanyong, R. Nilnond, S. and Siripok, V. (2010). Fruit Response of ‘Marroo Seedless’ Grape to GA3 Application. Agriculture Science Journal, 41(3/1) (Suppl.), 421-424 (2010). (in Thai)
Leelahemaratana, S. (2013) Determination of phenolic compounds, antioxidant capacity and stability of anthocyanins in Mulberry Pmmace Extract. Master of Sciene (Food Science), Major Field:
Food Science, Department of Food Science and Technology. (in Thai)
Nuipirom, W. (2002). Mulberry fruit and fruit product. Chiangmai: The Queen Sirikit Department of Sericulture. Department of Agriculture. (in Thai)
Stern, R. A., Flaishman, M., Applebaum, S., & Ben-Arie, R. (2007). Effect of synthetic auxins on fruit development of ‘Bing’ cherry (Prunus avium L.). Scientia horticulturae, 114(4), 275-280.
Teresa, M., M. Esperanza, M.C. Maria, and J.L.A. Francisco. (1998). Effects of gibberellic acid (GA3) on strawberry PAL (phenylalanine ammonia-lyase) and TAL (tyrosine ammonialyase) enzyme activities. J. Food Sci. Agri. 77(2), 230-234.
Thongampai, P. (1986). Plant Hormones and Plant Hormones and Plant Growth Regulator, Usage Guidelines in Thailand. Dynamic Printing Part., Ltd. 196. (in Thai)
Thongampai, P. (1994). Usage Guidelines in Thailand, Plant Hormones and Plant Growth Regulator.
(196) Wichai Printing: Bangkok. (in Thai)
Yıldırım, B., Yeşiloğlu, T., Kamiloğlu, M. U., incesu, M., Çimen, B., & Yılmaz, N. (2011). Effects of 3, 5, 6– trichloro-2-pyridyloxyacetic acid on fruit size and yield of Valencia oranges (Citrus sinensis Osb.). Journal of Food, Agriculture & Environment, 9(1), 275-279.
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Published
2019-01-29
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Research Article
