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Effect of Foliar Application of Miyobi Hormone on Morphophysiological Attributes and Yield in Winter Tomato

Md. Abul Hasan
Former MS student
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh, Bangladesh

Prof. Dr. AKM Azad-ud-doula Prodhan
Professor
Department of Crop Botany, Bangladesh Agricultural University, Mymensingh, Bangladesh

Dr. M. A. Malek
Principal Scientific Officer
Plant Breeding Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh-2202, Bangladesh

Abstract/ Executive Summary:

A pot experiment was conducted at the pot-yard of Bangladesh Institute of Nuclear Agriculture, Mymensingh, during the period from November 2010 to April 2011, to investigate the effect of foliar application of Miyobi hormone (0, 2, 4, 6 and 8 mg L^-1) on morphological, growth, reproductive and yield attributes, and yield in winter tomato cv. Binatomato-5. The experiment was laid out in a completely randomized design with six replications. Miyobi solution sprayed on tomato plants at 30 days after transplanting (DAT), just before initiation of flowering. Results revealed that most of the morphological, growth, reproductive and yield attributes were increased with increasing concentration of Miyobi up to 6 mgL^-1 resulted the highest fruit yield followed by a decline. Therefore, Miyobi at 6.0 mgL^-1 may be used at vegetative stage for getting maximum fruit yield in winter tomato.

Keywords: Tomato, Miyobi hormone, Growth, Fruit yield

Location: Pot yard of BINA, Mymensingh

Start Date: 01-11-2010

End Date: 22-04-2011

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

To study the effect of foliar application of Miyobi on growth, morphological features, yield attributes and yield in winter tomato under Bangladesh conditions.

Methodology:

A pot experiment was carried out at the pot-yard of Bangladesh Institute of Nuclear Agriculture, Mymensingh, Bangladesh, during November 2010 to April 2011. The experiment comprised of five concentrations of Miyobi viz., 0, 2, 4, 6 and 8 mgL^-1 which were applied at 30 days after transplanting (DAT) i.e. just before flowering start phase. The tomato variety, Binatomato-5 was taken as test crop. The soil was thoroughly mixed with the given amounts of urea, triple superphosphate, muriate of potash, gypsum and cowdung at the rate of 3.70, 2.15, 1.30, 0.80 and 150 g pot^-1 corresponding to 300, 160, 140, 40 and 10000 kg ha^-1, respectively. Total amount of TSP, MP, gypsum and cowdung were applied as basal dose during soil preparation. Half of urea was applied as top dress at 21 DAT and rest half was applied at 45 DAT. The pots of the experiment were filled with 12 kg of soils. The experiment was laid out in two factors completely randomized design with 8 replications. Twenty five-day old seedlings were sown in each pot on 15 November 2010. The 5-8^th replications were used for growth study. Recommended cultural operations were followed. Growth parameters such as total dry mass plant^-1, absolute growth rate (AGR) and relative growth rate (RGR) were recorded at 40 and 60 DAT. Plant sample was oven dried at 80 ⁰C ± 2 for 48 hours. The total dry matter plant^-1 was estimated by summing dry matter of leaves, stem, root and fruits dry weight per plant. AGR and RGR were determined following the methods of Hunt (1978). Other morphological, reproductive and yield attributes were recorded during tomato harvest. Harvesting was done at different dates depending on fruit ripening. The collected data were analyzed statistically.

Source of Information: MS Thesis by ABUL HASAN, Examination Roll No. 09Ag. CBot. JD-07M, Semester: July-December 2010, Registration No. 35878, Session: 2009-10, Department of Crop Botany, Bangladesh Agricultural University, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Foliar application of Miyobi at vegetative stage enhance plant growth and development which resulted increased fruit yield in winter tomato. Among the concentrations, 6 mgL^-1 had superiority for plant growth, reproductive characters, yield component and yield over 2, 4 and 8 mgL^-1. Therefore, application of Miyobi @ 6 mgL^-1may be recommended for tomato cultivation after few more field trials.

Knowledge Management: Thesis