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Evaluation of Some Selected Pop Corn Hybrids

A.B.M. Khaldun
Scientific officer
Plant Breeding Division BARI, Gazipur

A. A. Mondal
Burirhat

M. Hoque
Scientific officer
Plant Breeding Division RARS Jamalpur, BARI,

A Islam
Scientific officer
RARS, Hathajari BARI

Abstract/ Executive Summary:

Combined analysis was carried out for yield and yield contributing traits and some quality parameters of 11 pop corn genotypes across four locations. Mean sum of squares obtained from combined analysis of variance showed the presence of genetic variability among the genotypes and environment for all the characters under studied. From the overall mean of yield, popping percent, popping quality and other desirable characters, five entries were found promising across locations.

Keywords: Genetic variability, GXE interaction. Pop corn, Evaluation, Hybrid

Location: Gazipur, Burirhat (Rangpur), Jamalpur and Hathajari

Start Date: 10-12-2007

End Date: 07-05-2008

Program Area: Variety and Species

Commodity: Maize

Objectives:

To develop pop corn hybrids using locally developed inbreds in Bangladesh

Methodology:

Nine locally developed hybrids and one BARI released OPV pop corn variety (Khoibhutta), and one popular exotic check i.e, Pop corn Burst were evaluated in this trial. Seeds were sown 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 hill, respectively. One healthy seedling per hill was kept after proper thinning. Fertilizers were applied @ 250,120,120,40and 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 shed, 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. Popping quality was measured in 1-5 scale, where 1= excellent and 5= poor considering organolaptic taste, popping percent, and volume of the popped corn. 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 program.

Source of Information: Annual Research Report 2007-08, Plant Breeding Division, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget: Tk. 17,500/-

Total Budget (Tk.) : Tk. 17,500/-

Achievement/Findings:

The hybrid T-18xK resulted highest grain yield (5.112 t/ha) across locations, which also out yielded the check Popcorn burst (4.227 t/ha). Only one hybrid P1xP4 showed better grain yield (4.995 t/ha) combined with highest popping percent (98) and test quality (1). Considering yield potentiality, popping percent, popping quality and other desirable characters five hybrids viz. T-18 x K, P1x P4, P1xP2, T-18 x NS and P4xP6 were found promising. Regarding environment, Jessore location was found to produce highest grain yield followed by Burirhat and Gazipur.

Knowledge Management: Report/Proceedings