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Influence of Planting Materials and Planting Methods on Yield and Yield Attributes of Inbred and Hybrid Rice

M. A. Mian
M S Student
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka.

P. K. Biswas
Professor
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka.

M. H. Ali
Professor
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka.

Abstract/ Executive Summary:

A field experiment was carried out at Agronomy Field of Sher-e-Bangia Agricultural University, Dhaka, 2005 to study the influence of planting materials and methods on yield and yield attributes of aman rice varieties. The experiment consisted of three planting materials: Sprouted seed (M₁), ursery seedling (M₂) and Clonal tiller (M₃); two varieties: Inbreed variety (BR11, Mukta) and Hybrid variety (Sonar Bangla-1); and two planting methods: Broadcast (T₁) and Line (T₂) sowing. The experiment was laid out in a split- split- plot design with four replications. Experimental results showed that planting materials had significant effect on the studied parameters like total and filled grains panicle^-1, 1000- grain weight, grain yield and harvest index except effective tillers hill^-1 and straw yield. The highest grain yield (4.96 t ha^-1) was obtained from clonal tillers and the lowest grain yield (4.24 t ha^-1) from the sprouted seeds. Variety significantly influenced panicle length, 1000- grain weight and grain yield. The highest grain yield (4.70 t ha^-1) was obtained from hybrid variety Sonar Bangia- 1 and the inbred variety BR11 gave the lowest grain yield (4.43 t ha^-1). Methods of planting influenced only on grain yield and harvest index. Line arrangement showed better performance with highest grain yield (4.81 t ha^-1) than haphazard method (4.32 t ha^-1). The combined effect of planting materials, varieties and planting method resulted in the highest grain yield from clonal tillers of hybrid variety with line sowing method.

Keywords: Planting material, Planting method, Yield, Aman rice

Location: Agronomy field, Sher-e-Bangla Agricultural University, Dhaka

Start Date: 01-06-2005

End Date: 30-11-2005

Program Area: Variety and Species

Commodity: Rice

Objectives:

To study the effects of planting materials and planting methods on yield and yield attributes of inbred and hybrid rice in aman season.

Methodology:

The experiment was conducted at the Agronomy field at Sher-e-Bangla Agricultural University, Dhaka during the period from June to November, 2005. The experimental area was under the sub- tropical climate that characterized by high temperature, high humidity and heavy rainfall with occasional gusty winds in kharif season (April- September) and less rainfall associated with moderately low temperature during the rabi season (October- March). The experimental soil was silty clay in nature with pH 5.6, organic carbon 0.45%, organic matter 0.78%, total N 0.03%, available P 20 ppm, exchangeable K 0.10 meq/100g soil and available S 45 ppm. The experimental area was fertilized with 120, 80, 80, 20 and 5 kg N, P₂O₅, K₂O, Sand Zn ha^-1applied in the form of urea, triple super phosphate (TSP), muriate of potash (MP), gypsum and zinc sulphate, respectively. The entire amounts of triple super phosphate, muriate of potash, gypsum and zinc sulphate were applied at final land preparation as a basal dose. Three sets of treatments included in the experiment were A. Three planting materials viz. Sprouted seed (M₁), Nursery seedling (M₂) and Clonal tiller (M₃); B. Two varieties viz. Inbred variety, BR11 (V,) and Hybrid variety, Sonar Bangia-1 (V₂) and C. Two planting methods viz. Broadcast (T₁) and Line sowing (T₂). The experiment was laid out in a split- split plot design with four replications having planting materials in the main plots and varieties in the sub- plots and planting methods in the sub- sub plots. The size of unit plot was 4 m x 3 m. The harvesting was done on October 25, 2005, October 30, 2005 and November 7, 2005 for sprouted seeds, nursery seedlings and clonal tillers respectively. Ten hills in each plot were selected from which different agronomic data were collected and 6 m² areas from middle portion of each plot was separately harvested and bundled, properly tagged and then brought to the threshing floor for recording grain and straw yields. Threshing was done using by pedal thresher. The grains were cleaned and sun dried to moisture content of 14 %. Straw was also sun dried properly. Finally grain and straw yields of 6 m² were recorded and converted to ton ha^-1. The collected data were analyzed using IRRISTAT (Version 4.0, IRRI, Philippines) computer package program developed by IRRI. The mean differences among the treatments were compared by least significant difference test at 5 % level of significance.

Source of Information: JOURNAL OF SHER-E-BANGLA AGRICULTURAL UNIVERSITY, Vol. 01 (1), July 2007, pp. 72-79.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The study showed that planting materials had significant effect on the studied parameters like total and filled grains panicle^-1, 1000- grain weight, grain yield and harvest index except effective tillers hill^-1 and straw yield. The highest grain yield (4.96 t ha^-1) was obtained from clonal tillers and the lowest grain yield (4.24 t ha^-1) from the sprouted seeds. Variety significantly influenced panicle length, 1000- grain weight and grain yield. The highest grain yield (4.70 t ha^-1) was obtained from hybrid variety Sonar Bangia-1 and the inbred variety BR11 gave the lowest grain yield (4.43 t ha^-1). Methods of planting influenced only on grain yield and harvest index. Line arrangement showed better performance with highest grain yield (4.81 t ha^-1) than haphazard method (4.32 t ha^-1). The combined effect of planting materials, varieties and planting method resulted in the highest grain yield from clonal tillers of hybrid variety with line sowing method.

Knowledge Management: Journal