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Performances of Yield and Yield Attributes of Advanced Rice Lines/variety as Affected by Transplanting Dates in Aman Season

Dr. Md. Noor Hossain Miah
PSO
Agronomy Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh. Bangladesh.

Dr. Md. Monjurul Islam
PSO
Agronomy Division, Bangladesh Institute of Nuclear Agriculture, BAU Campus, Mymensingh. Bangladesh.

Abstract/ Executive Summary:

The results revealed that mean grain yield of August 15 transplanting was the highest (3.18 t ha^-1). However, August transplanting gave better yields than July and August 15 produced maximum yield. The mean yields of the rice lines PR-26305-M-2 and TNDB-100 (3.08 and 3.16 t ha^-1, respectively) were comparable to check variety Binadhan-4 (3.28 t ha^-1) irrespective of dates of transplanting. The interaction results showed that the above two lines also produced equal yields (3.17 t ha^-1) when transplanted on August 1 but these two lines had produced their maximum yields (3.75 and 3.57 t ha^-1) at August 15 transplanting while the check variety Binadhan-4 produced its maximum yield when transplanted on August 15 and it was the highest yield among the lines/variety.

Keywords: Transplanting dates, Yield, Aman season.

Location: BINA HQ, Mymensingh

Start Date: 00-00-2004

End Date: 00-00-2004

Program Area: Variety and Species

Commodity: Rice

Objectives:

To assess performances under transplanting dates with advanced rice lines in aman season

Methodology:

An experiment was conducted in the farm of Bangladesh Institute of Nuclear Agriculture, Mymensingh during Aman season, 2004 with five advanced rice lines, PNR-381, RD-25’86, PR-26305-M-2, TNDB-100 and DM-25 and a check variety Binadhan-4, to asses performances under 4 transplanting dates viz., July 18, Aug 1, Aug 15 and Aug 31. The design used randomized complete block design with three replications. A unit plot was 2.4 m × 2.4 m. Twenty five day-old seedlings were transplanted @ 2-3 seedlings hill^-1 with a planting spacing 20 cm x 15 cm. The plots were fertilized with 75, 20, 40, 10 and 2 kg ha^-1 of N, P, K, S, Zn from the sources of urea, triple super phosphate, muriate of potash, gypsum and zinc oxide. All except urea were applied at final land preparation in full amount. Urea (30%) was applied in three splits- at 5-7 days after transplanting (DAT), 30% 25-30 DAT while remainder 40% at panicle initiation stage at each transplanting.

Source of Information: Annual Report, 2004-2005, pp.254, BINA, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Five advanced rice lines (PNR-381, RD-25’86, PR-26305-M-2, TNDB-100 and DM-25) with a check variety (Binadhan-4) were evaluated during Aman season on July 18 to Aug 31 transplanting. The mutant lines (PR-26305-M-2 and TNDB-1000) had produced their maximum yields (3.75 and 3.57 t ha^-1) on Aug 15 planting.

Knowledge Management: Report/Proceedings