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Evaluation of N-rate and De-topping on the Yield and Yield Components of BINAtil-1

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:

At Magura, all the mean of plant and yield parameters were higher with increasing N rate but only capsule plant^-1 and seed yield differed statistically significantly. The highest seed yield (1476 kg ha^-1) was recorded in N₃ followed by N₂. De-topping treatments irrespective of N rate affected significantly only the plant height and seed yield. The mean seed yield in D₃ was the highest (1486 kg ha^-1). On the other hand, at Ishurdi, all the mean of plant and yield parameters were higher with higher N rate but only plant height and seed yield differed statistically significantly. The highest seed yield (933 kg ha^-1) was recorded in N₃ which differed significantly from N₁ and N₂. De-topping treatments irrespective of N rate affected significantly most of the parameters except plant population^-1, seed capsule^-1 and 1000 seed weight. The mean seed yield in D₃ was the highest (929 kg ha^-1).

Keywords: N-rate, De-topping and Binatil-1

Location: Sub-station farms of BINA at Ishurdi and Magura

Start Date: 05-02-2009

End Date: 25-05-2009

Program Area: Crop-Soil-Water Management

Commodity: Sesame

Objectives:

To evaluate the effect of N-rate and de-topping on the seed yield performance of Binatil-1

Methodology:

The experiment was conducted at the experimental farms of BINA sub-stations at Magura and Ishurdi to evaluate the effect of N-rate 100 (N₁), 125(N₂) and 150 (N₃) kg ha^-1and de-topping viz., no de-topping (D₁), de-topping at 60 days after sowing (D₂) and de-topping 75 days after sowing (D₃) on the seed yield performance of Binatil-1. The experiments were conducted in RCBD factorial design with 3 replications. The unit plot sizes were 4 m x 2.5 m and 5 m x 3m at Magura and Ishurdi, respectively. De-topping treatments were applied according to treatments. The data on yield attributes were recorded from randomly selected 10 plants from the middle of each plot. Plant population count, seed and straw yield were taken from the harvest of 5 middle lines and then were converted per plot basis. All recorded data were statistically analyzed location wise using a MSTAT Statistical Computer Package Program in accordance with the principles of RCBD factorial Design and the means were compared with LSD.

Source of Information: Annual Report, 2008-2009, pp.314, BINA, Mymensingh, Bangladesh

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

A field experiment with Binatil-1 with three N rates and three de-topping treatments were conducted at Magura and Ishurdi. Yield and yield parameters were higher with increasing N rate. The mean seed yield of de-topping at 75 DAS was the highest both at Magura and Ishurdi.

Knowledge Management: Report/Proceedings