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Growth and Yield of Traditional Aromatic Rice Cultivars in Boro Season

Shikha Akter
Department of Botany, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Fariha Afia Bonni
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Md. Ehsanul Haq*
Plant Breeding Division, Bangladesh Rice Research Institute, Gazipur, Bangladesh.

Nurjahan Shithi
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Nahida Sultana
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Muslima Jahan Runia
Department of Agronomy, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Ayesha Siddika
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Mst. Badrun Nahar
Department of Horticulture, Sher-e-Bangla Agricultural University, Dhaka, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at agronomy field, Sher-e-Bangla Agricultural University (SAU), Sher-e-Bangla Nagar, Dhaka-1207 during the period from November 2017 to May 2018 to evaluate the growth, yield and grain quality of traditional aromatic rice cultivars in Boro season. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Eleven aromatic rice genotypes viz. T1 = Kataribhog-1, T2 = Kataribhog-2 (awned), T3 = BRRI dhan34, T4= Badshabhog, T5= BRRI dhan38, T6= Chinigura, T7= Madhumala, T8= BRRI dhan50, T9= Zirabhog, T10= Chiniatap-1 and T11= Chiniatap-2. Chinigura produced the tallest plant (151.23 cm), higher number of tillers hill^-¹ (25.66), and leaves hill-1(65.00). The maximum leaf area index (5.5) was obtained from Chinigura (T6) which was statistically differed from all other varieties. Days to 50% flowering (92.66 days) was more for Chinigura (T6) which was statistically similar with all varieties except BRRI dhan38 (T5) and Madhumala (T7). BRRI dhan34 (T3) produced the highest chlorophyll content in leaves which was statistically identical with BRRI dhan38 (T5), Chinigura (T6) and Chiniatap-2 (T11). Grain length and breadth ratio is the lowest (2.26: 1) in Kataribhog-1. Chinigura provided the highest grain yield (3.46 t ha^-1) followed by Kataribhog-1 (3.32 t ha^-1), Badshabhog (3.20 t ha^-1), BRRI dhan38 (2.80 t ha^-1) and BRRI dhan50 (2.65 t ha^-1). Chinigura also provided the highest straw yield (8.11 t ha^-1) and biological yield (11.10 t ha^-1). So, Chinigura exhibited higher adaptability in Boro season compared to rest of the cultivars. Chinigura can be cultivated in Boro season compared to rest of the cultivars.

Keywords: Adaptability; Aromatic rice; Boro season; Growth and yield.

Location: Sher-e-Bangla Agricultural University (SAU), Sher-e-Bangla Nagar, Dhaka-1207

Start Date: 00-11-2017

End Date: 00-05-2018

Program Area: Crop-Soil-Water Management

Commodity: Rice

Objectives:

The present research programme has been undertaken to investigate the variations in morpho-physiological characters in aromatic rice cultivars and their relation with grain yield of the same.With this background the present experiment was taken up to investigate the growth yield and the adaptability of the traditional aromatic rice cultivars in Boro season.

Methodology:

Experimental Site and Experimental Framework The experiment was conducted at the Agronomy Research Farm of Sher-e-Bangla Agricultural University (SAU), Dhaka, Bangladesh during the period from 2017 -2018. It was located in 23⁰77' N latitude and 90⁰35' E longitude with an elevation 8.6 m from the sea level under the Agro-ecological Zone of Modhupur Tract, AEZ-28. Soil was having the texture of sandy loam with pH 5.6. Eleven aromatic rice genotypes viz. T1 = Kataribhog-1, T2= Kataribhog-2 (awned), T3= BRRI dhan34, T4= Badshabhog, T5= BRRI dhan38,T6= Chinigura,T7= Madhumala,T8= BRRI dhan50, T9= Zirabhog, T10= Chiniatap-1 and T11= Chiniatap-2 were used as treatment for experiment. The experiment was laid out following the Randomized Complete Block Design (RCBD) with three replications. There were 33 plots of size 2 m × 1.5 m in each of 3 replications. The treatments of the experiment were assigned at random into each replication following the experimental design. There were 0.75 m width and 10 cm depth for drains between the blocks. Each treatment was again separated by drainage channel of 0.5 m width and 10 cm depth. Two seedlings hill-1 were used during transplanting. Data were collected on growth and yield attributes. 2.2 Fertilizer Application A recommended dose of 180 kg urea, 165 kg TSP and 180 kg MP ha^-¹ and 90 kg gypsum was applied as N, P2O5, K2O and S respectively. Entire quantity of phosphorus and half of potassium and one third of the N were applied at the time of final land preparation just before transplanting. The remaining one third of the N and half of K were applied at two installment. 2.3 Statistical Analysis The data obtained for different characters were statistically analyzed by using MSTAT-C computer package program to find out the significance of the difference. The mean values of all the recorded characters were evaluated and analysis of variance was performed by the ‘F’ (variance ratio) test. The significance of the difference among the treatment combinations of means was estimated by Duncan’s Multiple Range Test (DMRT) at 5% level of probability.

Source of Information: Asian Journal of Research in Botany3(3): 18-27, 2020; Article no.AJRIB.55288

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The observations were recorded on plant height (cm), number of tillers hill^-¹ (no), Leaves hill^-¹ Leaf area index, SPAD value, 50% flowering, panicle length (cm), effective tillers hill^-1, non-effective tillers hill^-1, filled grains panicle^-1, unfilled grains panicle^-1, Grain length (mm), Grain breadth (mm), weight of 1000 seed (g), grain yield (t ha^-1), straw yield (t ha^-1), biological yield(t ha^-1) and harvest index(%). The effect of variety on plant height showed dissimilar at different growth stage. Among the test aromatic rice varieties Chinigura exhibited higher values for growth parameters (height, leaf numbers and tillers and LAI) compared to others. Chinigura provided the highest grain yield (3.46 t ha^-1) followed by Kataribhog-1 (3.32 t ha^-1), Badshabhog (3.20 t ha^-1), BRRI dhan38 and BRRI dhan50 (2.65 t ha^-1) Grain length and breadth ratio is the lowest (2.26: 1) in Kataribhog-1. Chinigura presented higher adaptability in Boroseason compared to rest of the cultivars.

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