topcross

topcross

(ˈtɒpˌkrɒs)
n
(Animals) an animal resulting from the mating of animals between different family lines within the same breed
References in periodicals archive ?
The topcross method is used to evaluate the relative merit of many partly inbred lines in crosses with testers, assisting in the decision to eliminate lines with lower performance (Paterniani et al.
Heterosis in landrace- based topcross hybrids of pearl millet across environments.
1 10,970 * 0,1153ns Topcross intragrupo (Top) 61 16,542 * 1942,6 * Variedades ([v.
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.
0:1] progenies were evaluated, which were derived from the Ufla germplasm bank, in topcross combinations with two testers (one simple hybrid and one mixture of the 67 progenies) at two nitrogen levels (high and low N).
Topcross seed for initial yield trials was produced using LH185 and the sister line cross FR697 x FR615 as testers.
Associacao de desempenho entre familias S3 e seus hibridos topcross de milho-pipoca.
Relative importance of per se and topcross performence in the selection of popcorn [S.
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.
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.