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Screening of M3 Population Derived from Deep Water Rice Cv. Luxmi Digha Under Deep Water Condition

Dr. M. A. K. Azad
Principal Scientific Officer
Plant Breeding Division, BINA BAU Campus, Mymensingh-2202

Md. Hasanuzzaman Rani
Scientific Officer
Plant Breeding Division, BINA BAU Campus, Mymensingh-2202

Abstract/ Executive Summary:

Of the three M₃ bulk population and six individual plant progenies, only one plant was selected based on increased height, effective tiller number, panicle length, filled grains and grain yield hill^-1. Unlike the parent the selected plant had awnless spikelet.

Keywords: Deep water rice, Luxmi digha, M3 Mutant, Screening

Location: Deep water Rice Screening Tank (DWRST) at BINA farm, Mymensingh

Start Date: 01-07-2013

End Date: 30-06-2014

Program Area: Variety and Species

Commodity: Rice

Objectives:

To screen and evaluate M3 population derived from deep water rice cv. Luxmi digha under deep water condition

Methodology:

Seeds of three M₃ bulk populations derived from irradiating the seeds of a local deep water rice cv. Luxmi digha with 200, 250 and 300 Gy doses of gamma rays and six selected plants derived from 200 Gy dose were sown at BINA farm, Mymensingh. Seedlings were transplanted at 15 cm distances within rows of 20 cm apart in the Deep Water Rice Screening Tank (DWRST) following non-replicated design. Fertilizers were applied at the rate of N-54 kg, P- 60 kg, K-40 kg ha^-1in the form of Urea, TSP and MOP. Urea was applied as top dressing after 10 and 30 days of transplanting. After 35 days of transplanting, water level was increased by 20 cm at every third day. The remaining portion of the tank was filled with rain water. The depth of the tank was 2.44m from the ground level. Recommended cultural and intercultural operations were followed as and when necessitated. Data on plant height, number of effective tiller, panicle length, filled and unfilled grains panicle^-1 and yield hill^-1 were recorded. Maturity was recorded population basis while plant height and the other attributes were recorded from each individual hill.

Source of Information: BINA Annual Report, 2013-14, pp.1-55.

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

One plant, LD-200-1-1 having awnless spikelets was selected based on increased height, effective tiller number, panicle length, filled grains and grain yield hill^-1 from M3 bulk population and six individual plant progenies.

Knowledge Management: Report/Proceedings