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Advancing S5 to S6 Generation in Field Corn and Pop Corn

S. R. Dey
Plant Breeding Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

M. N. Amin
Plant Breeding Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

M. Amiruzzaman
Plant Breeding Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

A. Ahmed
Plant Breeding Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur-1701.

Abstract/ Executive Summary:

Fourteen S₅ lines from 900 M, forty one S₅ lines from Popcorn burst were advanced to S₆ generation in order to develop superior inbred liner(s). Variation was found among the S₅ lines of each set for different traits studied. Selected S₅ plants were selfed. S₆ seeds from selfed plants were collected and stored for further advancement.

Keywords: Advancing, Fieldcorn, Pop corn

Location: Joydebpur

Start Date: 00-00-2012

End Date: 00-00-2013

Program Area: Variety and Species

Commodity: Maize

Objectives:

To advance S₆ generation from S₅.

Methodology:

The experiment was conducted at Joydebpur during rabi, 2012-13. The material consisted two sets (Set I: 900 M, Set II: Popcorn burst). Seeds of both set were sown on 26 November, 2012. Each S₅ material was sown in one row with 5 m long plot. Spacing was 100 x 20 cm (one plant/hill). Fertilizers were applied @ 120, 80, 80, 20, 5 kg/ha of N, P₂O₅, K₂O, S and Zn respectively. Standard agronomic practices and plant protection measures were taken as and when necessary. Selected plants were selfed. Selfing was done by hand pollination. Data were recorded on days to tasseling, pollen shedding and silking, plant and ear heights (cm) and no. of selfed ears harvested.

Source of Information: Annual Research Report 2012-13, Plant Breeding Division, Bangladesh Agricultural Research Institute, Joydebpur, Gazipur, September-2013, pp: 17-19.

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Mean performances of S₅ lines of Set I and Set II for each character of these studied materials were presented respectively. Comparatively more variation was found for plant and ear height in each set. A total of 1100 (280+820) plants from two sets were selfed. The selfed plants were harvested individually and dried properly. Finally 606 ears from three sets were selected and preserved separately for advancing S₆ to S₇ generation in the next year as ear to row method.

Knowledge Management: Report/Proceedings