topcross

topcross

(ˈtɒpˌkrɒs)
n
(Animals) an animal resulting from the mating of animals between different family lines within the same breed
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References in periodicals archive ?
Heterosis in landrace- based topcross hybrids of pearl millet across environments.
Laborde, "QTL for yield, earliness, and cell wall quality traits in topcross experiments of the F838 x F286 early maize RIL progeny," Crop Science, vol.
Fontes de Variacao GL FL AP Bloco/Repeticao/L 63 18,547 * 2793,0 * Repeticao/L 7 7,7099 * 1597,5 * Local (L) 1 12185 * 44801 * Tratamentos 63 14,552 * 2088,3 * Testemunha (Test.) 1 10,970 * 0,1153ns Topcross intragrupo (Top) 61 16,542 * 1942,6 * Variedades ([v.sub.j]) 30 27,154 * 3595,8 * Het.
He is the son of Martin Clark and Chantelle Smith of Topcross Way in Redcar; ADORABLE baby Rhya Grace Robinson was welcomed into the world on May 16, weighing 6lb 1oz.
Characterization of topcross progenies from Hereford, Limousine, and Piedmontese sires.
Topcross seed for initial yield trials was produced using LH185 and the sister line cross FR697 x FR615 as testers.
Limited yield performance tests of NPM-5 and NPM-6 topcross hybrids indicates the germplasms have fair to good combining ability for grain yield with medium-early maturity seed parents.
[S.sub.2] progeny lines (70 from Iowa and 100 from Ohio) were planted in the winter (1998-1999) topcross isolation nursery and testcrosses were made using the elite proprietary inbred LH185, a non-BSSS related line.