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Effects of Two Growth Regulators on Yield and Yield Attributes of Two Varieties of Wheat (triticum Aestivum L.)

RIFAT-AHMED
Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

NARGIS JAHAN
Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

QUAZI ABDUL FATTAH
Department of Botany, University of Dhaka, Dhaka-1000, Bangladesh

Abstract/ Executive Summary:

Foliar applications of 500 and 1000 ppm KNap and 2 and 4 ppm mixtalol on Kanchan and Akbar varieties of wheat showed that in most cases spikelets per plant, grains per spikelet, weight of 1000 grains and grain yield per plant increased significantly. In Kanchan the highest yield was due to 4 ppm mixtalol and in Akbar it was due to 500 ppm KNap.

Keywords: KNap, Mixtalol, Yield attributes, Wheat, Foliar application

Location: Botanical garden, Dhaka University

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Wheat

Objectives:

The present investigation was carried out to study the effect of two plant growth regulators, KNap (500 and 1000 ppm) and mixtalol (2 and 4 ppm) on the yield and yield attributes of Kanchan and Akbar varieties of wheat.

Methodology:

The experiment was conducted in the Botanical garden, Dhaka University using Kanchan (V₁) and Akbar (V₂) varieties of wheat. The seeds were collected from BARI, Joydebpur. There were five treatments in the experiment as follows; T₀ = control (water), T₁ = 500 ppm KNap, T₂ = 1000 ppm KNap, T₃ = 2 ppm mixtalol and T₄ = 4 ppm mixtalol. All the treatments were as foliar spray. Randomized complete block design was followed for the experiment with four replications for each treatment. The field was divided into 20 subplots of 2.5 m × 0.7 m, having 50 cm spaces in between plots. Each subplot had 100 plants in four rows. Recommended doses of fertilizers and normal management practices were followed. Yield parameters were determined at maturity stage. Data collected on different parameters were statistically analyzed and treatment means were compared by LSD test (Steel and Torrie 1960).

Source of Information: Bangladesh J. Bot. 39(1): 127-129, 2010 (June)

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Thus, analysis of the data indicate that, in both the varieties of wheat, out of two treatments of KNap, 500 ppm produced better stimulations. Treatment with 4 ppm mixtalol was also more effective than 2 ppm mixtalol. However, in Kanchan, the highest increase was recorded from plants treated with 4 ppm mixtalol, but in the variety Akbar, it was due to 500 ppm KNap treatment. The results are consistent with the view that the plant growth regulators (PGR) can exert quite different effects in different plants, and sometime the same PGR can elicit different effects on different tissues within the same plant

Knowledge Management: Journal