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Growth Yield and Yield Attributes of Tomato (lycopersicon Esculentum Mill.) as Influenced by Indole Acetic Acid

A. M. Khaled
Department of Crop Physiology and Ecology,Hajee Mohammad Danesh Science and Technology University, Dinajpur

S. Sikder
Department of Crop Physiology and Ecology,Hajee Mohammad Danesh Science and Technology University, Dinajpur

M. R. Islam
Department of Crop Physiology and Ecology,Hajee Mohammad Danesh Science and Technology University, Dinajpur

M. A. Hasan
Department of Crop Physiology and Ecology,Hajee Mohammad Danesh Science and Technology University, Dinajpur

M. M. Bahadur
Department of Crop Physiology and Ecology,Hajee Mohammad Danesh Science and Technology University, Dinajpur

Abstract/ Executive Summary:

The experiment was conducted at research field and laboratory of the Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during the period of December 2013 to April 2014. The experiment was laid out in two factors randomized complete block design with three replications including three concentrations of Indole Acetic Acid (0, 100 and 200 ppm) and three tomato varieties (BARI tomato 7, Manik and Ratan). Plant height, number of leaves and number of branches, days required for first flower initiation, days required for 50% flowering, days required for fruit setting, fruit cluster plant^-1, fruit plant^-1, weight tomato^-1, yield plant^-1, yield plot^-1 and yield hectare^-1 were significant influenced by the combined application of IAA and varieties of tomato. BARI Tomato-7 had the highest fruit yield with 100 ppm IAA and the lowest yield was observed in Ratan with 0 ppm IAA. IAA treated plots showed better performance for growth parameters and yield compared to control condition and 100 ppm IAA was more suitable than the 200 ppm IAA for higher yield of tomato cultivation. Among the treatment combinations, BARI Tomato-7 with 100 ppm IAA was superior, Ratan with 0 ppm IAA was inferior and BARI Tomato-7 with 200 ppm IAA, Manik with 200 ppm IAA and Ratan with 200 ppm IAA treated plots showed the intermediate results for yield and yield components.

Keywords: Growth, Indole acetic acid, Tomato, Yield

Location: Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur.

Start Date: 01-12-2013

End Date: 30-04-2014

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

To study the effect of IAA on growth, yield and yield attributes of tomato under Bangladesh conditions.

Methodology:

The experiment was conducted at research field and laboratory of the Department of Crop Physiology and Ecology, Hajee Mohammad Danesh Science and Technology University, Dinajpur, Bangladesh during the period of December 2013 to April 2014. The experiment was laid out in two factors randomized complete block design with three replications including three concentrations of Indole Acetic Acid (0, 100 and 200 ppm) and three tomato varieties (BARI tomato 7, Manik and Ratan). Each replication then divided into nine unit plot of 2.0 m×2.0 m sizes. The distance between block to block was 1.5 m and plot to plot was 0.5 m. The plots were fertilized with the recommended dose of compost, urea, TSP, MoP, Gypsum, Zinc sulphate and Boric acid (6000, 250, 175, 200, 75, 8 and 8 kg ha^-1, respectively). Twenty days old seedlings of tomato were transplanted in line as per treatment on 6 December 2013 by hand uniformly. The spacing maintained between lines to line was 50 cm and plant to plant was 40 cm. Intercultural operations like weeding, irrigation etc. were done as per need. The IAA solutions of 0, 100 and 200 ppm concentrations were prepared by dissolving 0, 100 and 200 mg of IAA in 10 ml methanol prior to dilution with distilled water. Then distilled water was added to make the volume 1 litre to get 0, 100 and 200 ppm concentrated IAA solution, respectively. The foliar spraying was done at 30 DAS with the help of a hand sprayer until all leaves were completed wetted. The crop was harvested at maturity for three times. Plant height, number of leaves, number of branches, first flower initiation date, fifty percent flowering date, date of fruit setting, fruits cluster plant-1, fruits cluster-1, fruits plant-1, length of fruit, diameter of fruit, weight tomato-1,and yield of tomato were taken properly. All the recorded data was statistically analyzed following the ANOVA technique and the significance of mean differences were adjusted by Duncan's Multiple Range Test, DMRT (Gomez and Gomez 1984) with the help of computer package M-STAT.

Source of Information: J. Environ. Sci. & Natural Resources, 8(1): 139-145, 2015 ISSN 1999-7361

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Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

From the overall results it may be concluded that IAA treated plots showed better performance for growth parameters and yield compared to control condition. Therefore, 100 ppm IAA was more suitable than the 200 ppm IAA for tomato cultivation. Among the treatment combinations, BARI Tomato-7 with 100 ppm IAA was superior followed by Manik with 100 ppm IAA and Ratan with 0 ppm IAA was inferior followed by Manik with 0 ppm IAA and BARI Tomato-7 with 0 ppm IAA. BARI Tomato-7 with 200 ppm IAA, Manik with 200 ppm IAA and Ratan with 200 ppm IAA treated plots showed the intermediate results for yield and yield attributing characteristics.

Knowledge Management: Journal