Divergent Selection For Seedling Root Length And Coleoptile Length In Pearl Millet [Pennisetum Glaucum (L.) R. Br.L And Effects On Seedling Emergence, Seedling Vigor, And Agronomic Traits

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Date
1993
Authors
Lawrence Riungu Francis M' Ragwa
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Lawrence Riungu Francis M' Ragwa
Abstract
A major limitation of pearl millet production in semi-arid areas is poor seedling emergence and establishment . The objectives of this study were to evaluate the effects of selection for seedling root length (SRL) and coleoptile length (CL) on seedling emergence and shoot height (vigor), and yield components. One cycle of divergent phenotypic recurrent selection for SRL and CL was practiced within each of two populations, Earl y Dwarf Synthetic (EDS) and Tift #2 S-l (Sl) . Seedlings were evaluated in sand in the greenhouse or germination paper towels in the laboratory . Field experiments were conducted in 1991 and 1992 in Kenya and Mississippi
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