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Growth and Yield Performance of Six Aman Rice Varieties of Bangladesh

Soyema Khatun
Crop Physiology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh.

Md. Monjurul Alam Mondal
Crop Physiology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh.

Md. Ibrahim Khalil
Pathology Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh.

M. Roknuzzaman
Agronomy Division, Bangladesh Institute of Nuclear Agriculture, Mymensingh-2202, Bangladesh.

Md. Mahi Imam Mollah
Department of Entomology, Patuakhali Science and Technology University, Patuakhali-8602, Bangladesh.

Abstract/ Executive Summary:

A field experiment was conducted with six rice varieties to determine their growth and yield performance. The experiment was laid out in a randomized complete block design (RCBD) with four replications. All the growth and yield contributing attributes varied significantly among the six rice varieties. The results revealed that in all rice varieties maximum growth performance was observed at 58-68 Days after transplanting and maximum dry matter production was observed at 68 days after transplanting. A maximum number of filled spikelets was observed in Binadhan-17 (164.89/ penical) and that was significantly different from other varieties. The percent of sterile spikelet was highest in BRRI dhan39 (12.9%) and that was statistically similar with Binadhan-16 (11.96%) and BRRI dhan33 (12.36%). A maximum 1000-seed weight was observed in Binadhan-17 (27.25 g). The highest grain yield was obtained from Binadhan-17 (6.13 t/h) which was significantly different from other varieties. The lowest grain yield was observed in BRRI dhan39 (4.49 t/h) which was statistically similar to BRRI dhan33 (4.57 t/h) and Binadhan-7 (4.86 t/h).

Keywords: Rice; Growth; Yield

Location: Bangladesh Institute of Nuclear Agriculture, substation Ishurdi, Bangladesh.

Start Date: 00-00-2016

End Date: 00-00-2016

Program Area: Variety and Species

Commodity: Rice

Objectives:

To determine the best performance of growth and yield of rice variety.

Methodology:

A field experiment was conducted during the Kharif-II (Aman) season of 2016 at BINA substation Ishurdi. The experiment site lies between 25- 27°N latitude, 8.5°E Longitude and 98 meters altitude. The climate is characterized by the alternate hot rainy season. The experiment was laid down in Randomized Complete Block Design (RCBD) with six rice varieties (i.e., Binadhan-7, Binadhan-11, Binadhan-16, Binadhan-17, BRRI dhan33 and BRRI dhan39) and four replications. Pre-germinated seeds were sown in the wet seedbed. Twenty-one days old seedlings were transplanted with one seedling per hill maintaining 20x15 cm spacing. The experimental plot was uniformly fertilized [11] with Urea, TSP, MoP, Gypsum and Zinc sulphate @ 130, 50, 80, 44.5 and 2.0 kg/ha respectively. The total TSP, MoP, Gypsum, Zinc sulphate, one-third of urea were applied as basal dose and Furafuran 5G @10 kg/ha was mixed with these fertilizers and applied to the experimental field to control the soil-borne pests. The rest of the urea was top-dressed at two equal split doses at 30 days after transplanting (DAT) and at 50 DAT. Virtako @ 75 g/ha was applied with two split doses of urea to prevent stem borer infestation. Rifit 500 EC @ 988 mL/ha was applied as a pre-emergence weedicide to control weeds [12]. For controlling weeds hand weeding was done with the help of “Khurpi” after 30 days after transplanting and 50 days after transplanting. Irrigation was applied as per requirement but no major irrigation was applied as aman rice is grown in rainfed conditions. During the experimentation, fungal diseases were controlled by applying Amistar Top @ 500 mL/ha and Eminent Pro @ 790 mL/ha. Some insect pests like a grasshopper and rice bug were controlled by spraying Syfanon 57 EC @ 988 mL/ha. After 38 days of transplanting, every day, 5 plants were harvested and oven-dried for determining total dry matter and growth rate. After physiological maturity, one quadrate (1 m²) was harvested in every plot for the determination of yield contributing parameters. All data were subjected to statistical analysis separately by using analysis of variance technique by MSTAT software. The difference among treatment means was compared by using the least significant difference test at 5% probability levels [13].

Source of Information: Asian Research Journal of Agriculture- 12(2): 1-7, 2020

Article Link (Online Journal): DOI: 10.9734/ARJA/2020/v12i230077

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

In conclusion, from the data pertaining to the different varieties, it may be indicated that not only maximum growth rate and maximum tiller number indicates good yield but also less inactive tiller, maximum filled grain, maximum 1000 grain weight collectively contribute to maximum yield in Binadhan -17 and alter that contribute to minimum grain yield in BRRI dhan39.

Knowledge Management: Journal