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Growth and Yield of Wheat as Influenced by Ga3 Concentrations

S. Islam
Department of Agronomy, She-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Sudip Chakrabortty
Department of Agronomy, She-e-Bangla Agricultural University, Dhaka-1207, Bangladesh

M.J. Uddin
Department of Horticulture, She-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

H. Mehraj
Department of Horticulture, She-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

AFM Jamal Uddin
Associate Professor
Department of Horticulture, She-e-Bangla Agricultural University, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at experimental field of Sher-e-Bangla Agricultural University, Bangladesh to find out the growth and yield performance of wheat to gibberellic acid concentrations. Experiment consisted foliar application of three concentrations of GA₃viz. G₀: No GA₃ i.e., control condition_;G₁: 100 ppm GA₃and G₂: 200 ppm GA₃. Maximum plant height (89.9 cm), number of tiller/plant (5.0), CGR (5.8), RGR (0.04), dry matter content/plant (26.8 g), number of spikes/plant (4.1), number of spikelets/spike (19.0), ear length (17.0 cm), filled grains/spike (30.4), total grains/spike (32.6), weight of 1000-grains (45.5 g), grain yield (3.9 tha^-1), straw yield (4.6 tha^-1), biological yield (8.5 tha^-1) and harvest index (46.1%) were found from G₂ whereas minimum from G₀.

Keywords: Wheat, GA3, Growth, Yield.

Location: Sher-e-Bangla Agricultural University, Bangladesh

Start Date: 00-11-2011

End Date: 00-03-2012

Program Area: Crop-Soil-Water Management

Commodity: Wheat

Objectives:

To find out the growth and yield performance of wheat to gibberellic acid concentrations.

Methodology:

The experiment was conducted at experimental field of Sher-e-Bangla Agricultural University, Bangladesh during the period from November 2011 to March 2012 to find out the response of different levels GA₃. Experiment consisted foliar application of three concentrations of GA₃viz. G₀: No GA₃ i.e., control condition_;G₁: 100 ppm GA₃and G₂: 200 ppm GA₃following Randomized Complete Block Design with three replications. BARI Gom-21 (Shatabdi) was used in the experiment. Seeds were sown continuous with maintaining 20 cm line to line distance and plant to plant 5 cm. Cowdung, Urea, TSP, MP, Gypsum were applied @ 10 tha^-1, 200 kgha^-1, 180 kgha^-1, 50 kgha^-1 and 120 kgha^-1 respectively as basal dose. Data were colleted on plant height, number of tiller/hill, dry matter content/plant, crop growth rate, relative growth rate, days to flowering, days to maturity, number of spike/hill, ear length, number of filled grains/spike, number of unfilled grain/spike, number of total grain/spike, weight of 1000-grains, grain yield/ha, straw yield/ha, biological yield and harvest index. Using data on dry matter the following growth parameters were derived.

Collected data were analyzed statistically using MSTAT-C computer package program. The mean values of all the characters were calculated and analysis of variance was performed. The significance of the difference among the treatment means was estimated by the Duncan Multiple Range Test (DMRT) at 5% level of probability (Gomez and Gomez, 1984).

Source of Information: INTERNATIONAL JOURNAL OF BUSINESS, SOCIAL AND SCIENTIFIC RESEARCH, ISSN: 2309-7892, Volume: 2, Issue: 1, Page: 74-78, July-September, 2014

Article Link (Online Journal): http://www.ijbssr.com/currentissueview/14013051

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Finally it can be concluded that application of GA₃ increases the growth and yield of wheat. By the by application of 200-ppm GA₃ was found as the best for all of the parameters related to growth and yield but it was statistically similar with 100-ppm GA₃.

Knowledge Management: Journal