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Evaluation of Selected Single Cross Maize Hybrids (2005-2006)

S. Ahmed
Senior Scientific Officer
BARI, Gazipur

A.A. Mondal
Senior Scientific Officer
BARI, Burirhat

M.A.L. Akanda
Senior Scientific Officer
BARI,Ishurdi

M.A. Miah
Scientific Officer
BARI,Jessore

M. Hoque
Scientific Officer
BARI,Jamalpur

M.A. Islam
Scientific Officer
BARI,Hathazari

Abstract/ Executive Summary:

Combined analysis was carried out for grain yield, days to pollen shed, days to silking, days to maturity, plant height, ear height and 1000-kernel wt. with 8 genotypes across six different locations. Mean sum of square obtained from combined analysis of variance showed the presence of genetic variability among the genotypes and environments for all the characters under studied. From the overall mean yield and other desirable characters three entries were found promising across locations and need further evaluation in large plots.

Keywords: Genetic variability, Genotype, Variability

Location: Gazipur, Jessore, Jamalpur, Ishurdi, Burirhat and Hathazari under BARI

Start Date: 00-00-2005

End Date: 00-00-2006

Program Area: Variety and Species

Commodity: Maize

Objectives:

To evaluate locally developed hybrids in Bangladesh conditions and to select the best one(s).

Methodology:

The experiment was conducted at six locations viz. Gazipur, Jessore, Jamalpur, Ishurdi, Burirhat and Hathazari during rabi 2005-2006. Five locally developed hybrids and three local checks, viz. BARI Hybrid Maize 3 (BHM 3), BARI Hybrid Maize 5 (BHM 5) and Pacific11 were evaluated in this trial. Seeds were sown on 30 November at Joydebpur and Jessore, 1 December at Jamalpur and Ishurdi, 22 November at Burirhat and lastly 23 December at Hathazari following RCBD with 3 replications. The unit plot size was 5.0 X 1.5 m. Spacing adopted was 75 X 20 cm between rows and hills, respectively. One healthy seedling per hill was kept after proper thinning. Fertilizers were applied @ 250, 120, 120, 40 and 5 kg/ha of N, P₂0₅, K₂0, S and Zn, respectively. All intercultural operations were done as and when necessary. Data on days to 50% pollen shedding, silking and maturity were recorded on whole plot basis. Ten randomly selected plants were used for recording observations on plant and ear height. All the plants in two rows were considered for plot yield. Combined analysis was done for grain yield, days to pollen shed, days to silking, days to maturity, plant height, ear height and 1000- kernel wt. using the MSTATC programme.

Source of Information: Annual Research Report 2005-2006, Plant Breeding Division, BARI, Gazipur.

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering the yield potentiality and other desirable characters three entries viz. P₂ X P₄, P₃X P₇ and P₆X P₇ were found promising across locations and should further be evaluated in large plots in the ensuing rabi season.

Knowledge Management: Report/Proceedings