Diallel analysis of quantitative traits of single crosses in maize (Zea mays L.)

Rafał Kuriata

kghrin@upwr.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)

Abstract

Progenies from a half diallel (second Griffing’s model) cross involving 8 inbreed lines were grown with their parents in 2001–2002 at three locations. The experiment was carried out using randomized complete blocks design with three replications. Each experimental unit consisted of two rows spaced 75 cm apart. Data were recorded for plant height, ear height, ear length, ear diameter, grain yield from ear, dry matter content and grain yield. Line S245 was characterised by positive GCA effects which showed significant interaction with years and locations. Hybrid S245×S43523 was characterised by positive effects for all the traits except dry matter content. The GCA/SCA variance ratios suggest nonadditive gene actions for almost all studied traits.

 

Keywords:

combining ability, diallel design, maize

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Published
2006-09-29

Cited by

Kuriata, R. (2006) “Diallel analysis of quantitative traits of single crosses in maize (Zea mays L.)”, Bulletin of Plant Breeding and Acclimatization Institute, (240/241), pp. 175–183. doi: 10.37317/biul-2006-0048.

Authors

Rafał Kuriata 
kghrin@upwr.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland

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Copyright (c) 2006 Rafał Kuriata

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