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Effect of Different Dates of Transplanting on the Growth and Yield of Advanced Rice Lines in Aman Season

Dr. Md. Noor Hossain Miah
CSO
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 of mean grain yield of TNDB-100 (Binadhan-7) irrespective of transplanting dates was the highest (4.22 t ha^-1) which differed statistically from the check variety BRRI Dhan-32 but similar to the advanced line Y-1281. The mean grain yield of July 30 transplanting was the highest (4.04 t ha^-1) followed by August 10 while August 20 transplanting had produced the least although they did not differed significantly. The interaction results showed that TNDB-100 (Binadhan-7) when transplanted on July 30 produced the maximum grain yield (4.44 t ha^-1) and it was followed by Y-1281 which produced 4.13 t ha^-1 transplanted on the same date but none of the interaction showed significant variation.

Keywords: Transplanting date, Yield and Aman rice

Location: BINA HQ, Mymensingh

Start Date: 30-06-2008

End Date: 30-11-2008

Program Area: Variety and Species

Commodity: Rice

Objectives:

The objectives were to observe how the yield performances of these lines were affected by different dates of transplanting

Methodology:

Two advanced rice lines compared to a check variety were evaluated under three dates of transplanting starting from July.30, 2008 with an interval of 10 days at the experimental farm of Bangladesh Institute of Nuclear Agriculture, Mymensingh during Aman season of 2008.The advanced rice lines were TNDB-100 (V₁) which was already released as Binadhan-7 and Y-1281 (V₂) and the check variety was BRRI dhan32 (V₃). The three dates of transplanting were July.30 (D₁), Aug.01 (D₂) and Aug.10 (D₃). The experiment was laid out as factorial randomized complete block design with three replications. The unit plot was 4 m × 3 m. Thirty day-old seedlings were transplanted @ 3-4 seedlings hill^-1 with a planting spacing of 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 was applied in two splits- 40% at 5-7 days after transplanting (DAT) and 60% at 30 DAT. The crop was harvested at different dates at maturity and data on yield and yield components were recorded at harvest and were statistically analyzed following the design used for the experiment and the means were compared with LSD.

Source of Information: Annual Report, 2008-2009, pp.308, BINA, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Two advanced rice lines compared to a check variety were evaluated under three dates of transplanting starting from July.30, 2008 with an interval of 10 days at Mymensingh during Aman season of 2008. Grain yield of TNDB-100 (Binadhan-7) irrespective of transplanting dates was the highest which differed statistically from the check variety BRRI dhan-32 but similar to the advanced line Y-1281. TNDB-100 (Binadhan-7) when transplanted on July 30 produced the maximum grain yield followed by Y-1281 when transplanted on the same date

Knowledge Management: Report/Proceedings