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 Academic Research Journal of Agricultural Science and Research
 

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Academic Research Journal of Agricultural Science and Research 

Vol. 3(4), pp. 71-75. April, 2015.

ISSN: 2360-7874 

 DOI: 10.14662/ARJASR2015.006

 

Full Length Research

COMBINING ABILITY ESTIMATES FROM LINE X TESTER MATING DESIGN IN MAIZE (Zea mays L.)

 

Liaqat Shah1*, Hidayat Ur Rahman1, Asif Ali1, Nazir Ahmed Bazai2, Mohammad Tahir2

 

1Department of Plant Breeding and Genetics, The University of Agriculture, Khyber Pakhtunkhwa, Peshawar, Pakistan

2Department of land and water management, Sindh Agriculture University, Tandojam, Pakistan

*Corresponding author Email: liaqatpbg@yahoo.com

 

Accepted 9 March 2015

 
Abstract

 

A line x tester analysis was carried out in maize variety Sarhad white with 25 lines and two testers to study combining ability effects at the University of Agriculture Peshawar, Khyber Pakhtunkhwa, Pakistan, during 2009. The resultant 50 testcrosses along with 27 parents and four checks were evaluated in replicated trial for four characters viz., cob length, number of grain rows per cob, 100 grain weight and grain yield. Among the parents studied the following parental lines viz; 12-2, 46, 77-2, 91-3, 128-1, 151-1, 195, 220, 222 and 237 were having good general combining ability with testers for grain yield. Among 50 evaluated testcrosses viz., 12-2 x Jalal, 77-2 x Jalal, 96-1 x Jalal, 144-1 x Jalal, 173 x Jalal, 189 x Jalal, 192 x Jalal, 220 x Jalal, 222 x Jalal, 231 x Jalal, 237 x Jalal, 46 x Kiramat, 65 x Kiramat, 91-3 x Kiramat, 119-1 x Kiramat, 126 x Kiramat, 151-1 x Kiramat and 195 x Kiramat, were identified as good specific combiners for grain yield. These hybrids could be utilized in maize heterosis breeding to exploit hybrid vigor for grain yield.

Key words: general combining ability, specific combining ability, hybrid vigor, grain yield, maize
 

 

How to cite this article:  Shah L, Rahman HU, Ali A, Bazai NA, Tahir M (2015). COMBINING ABILITY ESTIMATES FROM LINE X TESTER MATING DESIGN IN MAIZE (Zea mays L.). Acad. Res. J. Agri. Sci. Res.  3(4):71-75. 

 

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Current Issue: April 2015

 

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