Evaluation of inbred lines of maize on the basis of specific, foreign and general selection indices
Henryk Bujak
henryk.bujak@upwr.edu.plKatedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)
Stanisław Jedyński
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)
Jan Kaczmarek
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu (Poland)
Abstract
Studies were carried out on 20 inbred maize lines at two locations: Kobierzyce and Smolice. The following characters: plant height, ear length, no. of rows/ear, no. of' grains/ear and grain weight/ear were included in the construction of three selection indices: specific (Is), foreign (IO) and general (IOG). The results indicated that specific index was the most efficient. Expected genetic advance was lower when foreign index was used. Adequate evaluation of general index could not be made because of insufficient experimental data.
Keywords:
inbred lines, maize, selection indicesReferences
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Authors
Henryk Bujakhenryk.bujak@upwr.edu.pl
Katedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland
Authors
Stanisław JedyńskiKatedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland
Authors
Jan KaczmarekKatedra Hodowli Roślin i Nasiennictwa, Akademia Rolnicza we Wrocławiu Poland
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