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Growth and Yield of Basmati Rice as Affected by Planting Date in Boro Season

MA Mannan
Agronomy Division, Bangladesh Rice Research Institute, Gazipur

MSU Bhuiya
Department of Agronomy, Bangladesh Agricultural University, Mymensingh

MIM Akhand
Agronomy Division, Bangladesh Rice Research Institute, Gazipur

MM Rana
Agronomy Division, Bangladesh Rice Research Institute, Gazipur

A Zahan
Adaptive Research Division, Bangladesh Rice Research Institute, Gazipur

Abstract/ Executive Summary:

The experiment was conducted at the Bangladesh Rice Research Institute Farm, Gazipur, in Boro season. BasmatiPNR, Basmati370, Basmati375 and Basmati-D were transplanted started from 10 December, and continued up to 25 January in the following year, at an interval of 15 days. Forty day old seedlings were transplanted spaced at 20 cm × 15 cm, to find out the optimum planting time and to select the Basmati varieties having high yield potential. The tallness of plants, number of tillers and dry matter were increased with the advancement of planting dates. On the country, number of panicles, grains panicle^-1, panicle length, grain yield and growth duration decreased as delayed planting dates. The short stature BasmatiPNR and tall plant of Basmati375 exhibited higher number of panicles, grains panicle-1 and heavier individual grain which contributed to increase grain yield. Thus, high yield potential varieties BasmatiPNR and Basmati375 to be planted in optimum time on 10 December, to obtain maximum grain yield of rice in Boro season.

Keywords: Optimum Planting Date, Basmati Rice, Boro season

Location: Bangladesh Rice Research Institute Farm, Gazipur,Bangladesh

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

To determine the optimum planting date
To find out the Basmati varieties having high yield potential for growing in Boro season.

Methodology:

The experiment was conducted at the Bangladesh Rice Research Institute Farm, Gazipur, in Boro season. BasmatiPNR, Basmati370, Basmati375 and Basmati-D were grown from 10 December and continued up to 25 January, at an interval of 15 days. Forty-day old seedlings were transplanted spaced at 20 cm 15 cm, using 2-3 seedlings hill^-1. The treatments were distributed in a split-plot design, placing planting date in the main plot and rice varieties in the sub plot and replicated thrice. Fertilizers were applied @ 80-60-40-10-4 kg N, P₂O₅, K₂O, S and Zn ha^-1, respectively through urea, triple super phosphate, muriate of potash, gypsum and zinc sulphate during final land preparation except urea. Urea was top-dressed in three equal splits at 20 date after transplanting (DAT), 35 DAT and at 5 days before panicle initiation. The crop field was kept weed free by two hands weeding at different growth stages. Five destructive sample hills were collected from each individual plot out side of the harvested area to measure different growth parameters. The plant height, number of tillers and dry matter were recorded at 15 day intervals started from 30 DAT from the sample hills. The dry matter was determined in an oven dry basis for 72 hours. For grain yield, five square meter areas was harvested from the center of the each plot. The grain yield was adjusted to 14% moisture content and expressed in ton ha^-1. The straw was dried in the sun until complete drying.

Source of Information: Journal of Science Foundation 2013;11(2):37-42]

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

BasmatiPNR and Basmati370 matured earlier while, Basmati-D matured late irrespective of transplanting dates. In early planting (10 December) of Basmati370 matured 3-6 days earlier than the Basmati-D. However, it is important to select high yield potential photoperiod sensitive or insensitive fine rice varieties having cold tolerance at the early vegetative stage to obtained higher grain yield. Thus, BasmatiPNR and Basmati375 could be planted on early December to obtained higher grain yield and planting not be allowed beyond 10 January in Boro season.

Knowledge Management: Journal