The use of restricted selection index in the evaluation of maize germplasm
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
Twenty inbred lines of maize were evaluated by means of classical (Smith’s) and restricted selection indices. Both indices were based on variance components for the following characters: plant height, ear length, no. of rows per ear, no. of grains per ear and grain yield. The highest values of classical index were obtained for the lines 1450-9, 1470-12, 1487-1, 1511-1, K 182 and K 324. When restriction was imposed on ear length the most promising lines were K 324, K 182, 1471-8, 1470-12 and 1450-9. Lines having high values of both indices are suitable for developing single and double cross hybrid cultivars of maize.
Keywords:
inbred lines, maize, selection index, restricted selection indexReferences
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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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Copyright (c) 2006 Henryk Bujak, Stanisław Jedyński, Jan Kaczmarek
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