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Journal of Advances in Biology & Biotechnology

Journal of Advances in Biology & Biotechnology, 2394-1081,Vol.: 14, Issue.: 2

 

Original-research-article

 

Pre-treatment of Abelmoschus esculentus Seeds with Salicylic Acid and Indole Acetic Acid Enhances Nutritional Values of the Fruits

 

 

A. M. Esan1*, C. O. Olaiya1, K. A. Aremu2 and O. Fagbami3

1Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo State, Nigeria.

2Department of Integrated Sciences, Kwara State College of Education, Oro, Kwara State, Nigeria.

3Department of Agronomy, Faculty of Agricultural Sciences, University of Ibadan, Ibadan, Oyo State, Nigeria.

 

Abstracts

 

Aims: This study investigated the effects of phytohormones using indole acetic acid (IAA) and salicylic acid (SA) on some biochemical parameters on LD 88 and 47-4 genotypes of okra.

Study Design: The study was carried out in a screen house condition with 104 pots for each genotype (4 treatments x 5 levels x 3 replicates) in a complete randomized design using phytohormones to evaluate their effect on the nutritional values of okra fruits.

Place and Duration of Study: The study was carried out at the National Horticultural Research Institute (NIHORT), Ibadan, Oyo state, Nigeria for a period of 60 days.

Methodology: Okra seeds were pretreated with IAA (0.4, 0.5 and 0.6 mM ) and SA (10-2 , 10-4  and 10-6 Mm), and  distilled water. The treated (experimental) and untreated (control) seeds were germinated and grown to maturity in polythene bags containing 10 kg of clay soil.

Results: Treatment with IAA and SA did not affect proximate composition of okra fruit. Calcium levels were higher in 0.6 mM IAA 47-4 (1.03±0.01) and 10-4 mM SA (1.83±0.04), but in LD 8810-4 mM SA (1.07 ± 0.03) when compared to control group respectively. Whereas, higher zinc level was observed in 47-4 10-6 mM SA (3.93±0.84) and higher phosphorous level in 47-4 10-2 mM SA (1.78± 0.06). Sodium and potassium levels were higher in 0.6 mM IAA (47-4) as 3.15±0.01 and 1.83±0.02 when compared to the control group. Higher level of magnesium was observed in 10-2 mM SA (47-4) as 1.78 ±0.06 and in 10-4 mM SA (LD 88) as 1.62±0.04 as compared to control group. Higher levels of total phenol phytate, oxalate, saponin and tannin were recorded in both phytohormone-treated genotypes than those in the control. The results indicated that IAA and SA phytohormones improved mineral, anti-nutritional, and phytochemical constituents, of okra fruits in contrast with proximate composition.

 

Keywords :

Abelmoschus esculentus; anti-nutrients; indole acetic acid; phytonutrients; proximate content; salicylic acid.

 

Full Article - PDF    Page 1-10    Article Metrics

 

DOI : 10.9734/JABB/2017/34075

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