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Cimmyt Tropical Three Way and Single Crosses Yellow Late Normal and Qpm Trial (ttwscyla)

B.R. Banik
Principal Scientific Officer
BARI, Gazipur

A.A. Mondal
Senior Scientific Officer
BARI, Burirhat

A. Miah
Scientific Officer
BARI, Jessore.

Abstract/ Executive Summary:

Thirteen CIMMYT developed three way and single crosses yellow late normal and QPM hybrids along with two local cheeks were evaluated at three locations to test the performance of hybrids across locations and to select better performing one(s) having higher yield potentiality. Combined analysis showed significant variation among the entries for the characters studied viz. grain yield, days to tasseling and silking, days to maturity, plant and ear height, 1000-kernel weight. Significant environmental effect was also observed for the above mentioned characters. One QPM hybrid CMTQ 033068(E-9) produced similar yield (11.69 t/ha) to the better variety BHM 3 (11.18 t/ha). The highest grain yield (10.90 t/ha) over location was found in Burirhat. Minimum days to tasseling and silking; days to maturity and plant height over locations were observed at Joydebpur.

Keywords: Cross, QPM, Variation, Maize

Location: Joydebpur, Burirhat and Jessore under BARI

Start Date: 00-00-2005

End Date: 00-00-2006

Program Area: Variety and Species

Commodity: Maize

Objectives:

To evaluate the high yielding normal and QPM materials in Bangladesh condition.

Methodology:

The experiment was conducted at Joydebpur, Burirhat and Jessore during rabi 2005-06. Thirteen CIMMYT developed hybrids and two local check varieties BHM 3 (check 1) and BHM-5 (check-2) were evaluated in this trial. Seeds were sown on 3 Dec., 19 Nov. and 29 Nov. 2005, respectively, at Joydebpur, Burirhat and Jessore following alpha lattice design 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, P₂O₅, K₂O, S and Zn, respectively. All intercultural operations were done as and when necessary. Data on yield and other desirable characters were recorded on whole plot basis. Plot yield was adjusted to moisture percentage and optimum plant number and it was later converted to t/ha. Combined analysis was done using MSTATC program.

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 overall performance one QPM hybrid (CMTQ 033068) performed well under different environmental conditions. Therefore, this hybrid might be selected for large plot trial in the next year at different locations for further evaluation.

Knowledge Management: Report/Proceedings