jzs-10731

Efficacy of IAA, IBA and magnesium nitrate on summer squash shelf life

Ikbal Muhammed-Gharib AL-Barzinji1

1 Department of Biology, Faculty of Science and Health, Koya University, Kurdistan Region, Iraq

Original: 22 Febreuary 2018, Revised: 25 April 2018, Accepted: 6 December 2018, Published online: 20 December 2018

DOI Link: https://doi.org/10.17656/jzs.10731

Abstract

A complete randomized design experiment with ten treatments and three replications was conducted to evaluate the effects of dipping fruits for 5 minutes in one of the following solutions: tap water, 10, 20 and 30 ppm of indoleacetic acid (IAA) or indolebeuteric acid (IBA) or 0.1, 0.2 and 0.3% magnesium nitrate salt (Mg(NO3)2) on the shelf-life characters of summer squash (Cucurbeta pepo L.) fruits, including that harvested incorrectly (without remaining part of the stem) as it proceeds by most Iraqi farmers. The results show a significant decrease in each of peroxidase enzyme activity to 4.94 absorbing unit/minute/ml and weight loss to 9.98% in the fruits that treated with 10 ppm of IAA compared to other treatments. Treating fruits with 20 ppm of IAA increased the fruits peel content of chlorophyll a and chlorophyll b. The fruits total soluble solids increased significantly to 5.33% when they dipped in 20 ppm IBA. There were non-significant differences between the treatments firmness, except the significant decrease to 5.14 kg/cm2 when 0.3% magnesium nitrate was used. Nevertheless, most differences between treatments were non-significant compared to the control fruits. Treating the fruits of summer squash with 10 ppm IAA was the best for decreasing peroxidase activity and fruits weight loss after keeping at ambient temperature (20-23°C and 40-55% relative humidity) for 5 days.

Key Words: Cucurbeta pepo L., IAA, IBA, Magnesium nitrate, Shelf life quality. 

References

[1] Matlob, A.N., E. Sultan and K.S. Abdul. "Vegetable Production", Part-I and II. Dar Al-Kutub Publ. Mosul Univ. Iraq. (1989). [In Arabic].

[2] Shubin, K. S., E. Pfeufer, R. Bessin, S.Wright and J. Strang. "Vegetable Production Guide for Commercial Growers", ID-36. Corporative Extension Service, University of Kentucky, College of Agriculture, Food and Environment, Lexington, KY, 40546. (2017).

[3] Nirmal, K. S., Y.H. Hui, E. O. Z. Evranuz, M. Siddiq and J. Ahmed. "Handbook of Vegetables and Vegetable Processing". John Wiley & Sons Ltd., Publication. USA. (2011).

[4] Rahman, M.S. "Handbook of Food Preservation". Second Edition. CRC Press, Taylor and Francis Groups. New York. (2007).

[5] Al-Ani, A. M. "Postharvest Physiology of Horticultural Crops". Part I. Dar-Alkutub for printing and Publishing. Mosul University Printing Press. Iraq. pp.576. (1985). [In Arabic].

[6] Olaiya, C.O. "Influence of auxin bioregulators on physiological changes and shelf-life of tomato vegetable crops". Research Bulletin, Vol. 72, pp. 129-136. (2010). DOI: 10.2478/v10032-010-0012-0.

[7] AL.Hmedawi, A.M.S., R.M. AL- Numani and W.H.M. AL-Shmery. "Effect of GA3, NAA and polyethylene on storability of eggplant fruits". AlKufa Journal for Agricultural Sciences,  Vol. 2, No. 1, pp. 121-128. (2011).

[8] Lester, G.E. and M. A. Grusak. "Postharvest application of calcium and magnesium to honeydew and netted muskmelons: effects on tissue ion concentrations, quality, and senescence". Journal of American Society Horticultural Sciences, Vol. 124, No. 5, 545–552. (1999).

[9] Luna-Guzma´n, I. and D.M. Barrett. "Comparison of calcium chloride and calcium lactate effectiveness in maintaining shelf stability and quality of fresh-cut cantaloupes". Postharvest Biology and Technology, Vol. 19, pp. 61–72. (2000).

[10] Lester, G.E., J.L. Jifon and D.J. Makus. "Impact of potassium nutrition on postharvest fruit quality: Melon (Cucumis melo L) case study". Plant Soil, Vol. 335, pp. 117–131. (2010). DOI 10.1007/s11104-009-0227-3

[11] Morshed, M.H., M.SH. Hossain, M.A. Habib, M.M. Ahmed, M. Ibrahim, M. Umar and M. A. Islam. "The effect of plant hormone indoleacetic acid (IAA) on hematological and biochemical parameters in mice". Bangladesh Journal of Physiology and Pharmacology, Vol. 21m No. 1-2, pp. 5-8. (2006).

[12] Scherm, B., G. Ortu, A. Muzzu, M. Budroni , G. Arras and Q. Migheli. "Biocontrol activity of antagonistic yeasts against Penicillium expansum on apple". Journal of Plant Pathology, Vol. 85, No. 3, pp. 205-213. (2003).

[13] Nezih, M. "The peroxidase enzyme activity of some vegetables and its resistance to heat". Food Agric. Vol. 36, pp. 877–880. (1985).

[14] Lichtenthaler, H.K. and A.R. Wellburn. "Determination of total carotenoids and chlorophylls a and b of leaf extracts in different solvents". Biochemical Society Transactions. Vol. 11, No. 5, pp. 591-592. (1983).

[15] A.O.A.C. "Association of Official Agricultural Chemists. Official and Tentative Methods of Analysis". 17th ed. Washington D.C.,U.S.A. (2002).

[16] Al-Sahaf, F. H. "Applied Plant Nutrition". Baghdad, Al-Hikma House. (1989). [In Arabic].

[17] Al-Mohammadi, SH. and Fadhil, A. "Statistics and Experimental Design". Darosama for publishing and distribution. Amman, Jordan. pp. 376. (2002). [In Arabic].

[18] Taiz, L. and E. Zeiger."Plant Physiology". 3rd ed., Sunderland, Massachusetts. U.S.A: Sinauer Associates Inc. Publishers. pp. 623. (2002).

[19] Mizobutsi, G.P., F.L. Finger, R.A. Ribeiro, R. Puschmann, L. L. de Melo Neves and W. Ferreira da Mota. "Effect of pH and temperature on peroxidase and polyphenoloxidase activities of litchi pericarp", Scientica Agricola (Piracicaba, Braz.), Vol. 67, No. 2, pp. 213-221. (2010).

[20] Behera, S., A. K. Padhiary, P. K. Nanda, S. Rout, A. Nayak and D. Behera. "Influence of plant growth regulators on chlorophyll content of different sesame (Sesamum indicum L.) cultivars". International Journal of Pure and Applied Bioscience. Vol. 5, No. 5, pp. 1439-1444. (2017).

[21] Wrona, D. "Effect of nitrogen fertilization on growth, cropping and fruit quality of ‘Šampion’ apple trees during 9 years after planting". Folia Horticulture, Vol. 16, No. 1, pp. 55-60. (2004).

[22] Omotoso S. O and E. A. Akinrinde. "Effect of nitrogen fertilizer on some growth, yield and fruit quality parameters in pineapple (Ananas comosus L. Merr.) plant at Ado-Ekiti Southwestern, Nigeria". International Research Journal of Agricultural Science and Soil Science, Vol. 3, No.1, pp. 11-16. (2013).

[23] Jia, H.J., K. Mizuguchi, K. Hirano and G. Okamoto." Effect of fertilizer application level on the pectin composition of Hakuho peach (Prunus persica Batsch) during maturation". HortScience, Alexandria, Vol. 41, No. 7, pp. 1571-1575. (2006).

[24] Fallahi, E., W. M. Colt, and M.M. Seyedbagheri. "Influence of foliar application of nitrogen on tree growth, precocity, fruit quality, and leaf mineral nutrients in young ‘Fuji’ apple trees on three rootstocks". Journal of Tree Fruit Production, Vol. 2, No. 1, pp. 1–12. (1997).

[25] Yermiyahu, U., S. Nir, G. Ben-Hayyim, and U. Kafkafi. "Quantitative competition of calcium with sodium or magnesium for sorption sites on plasma membrane vesicles of melon (Cucumis melo L.) root cells". Journal of Membrane Biology, Vol. 138, pp. 55–63. (1994).

[26] De Freitas, S.T, and E. J. Mitcham. "Factors involved in fruit calcium deficiency disorders". In: Horticultural Reviews, ed. J. Janick, Vol. 40, pp. 107–146. New York: Wiley-Blackwell. (2012)

[27] Wojcik, P., and M. Borowik. "Influence of pre-harvest sprays of a mixture of calcium formate, calcium acetate, calcium chloride and calcium nitrate on quality and ‘Jonagold’ apple storability". Journal of Plant Nutrition, Vol. 36, pp. 2023–2034. (2013).

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