test·cross (tĕst′krôs′, -krŏs′) n. A cross between an individual exhibiting the dominant phenotype of a trait and an individual that is homozygous recessive for that trait in order to determine the genotype of the dominant individual. ...
Institute of Agronomy and Plant Breeding II Justus Liebig University 35392 Giessen GermanySpringer-VerlagTheoretical & Applied GeneticsHofheinz, N., D. Borchardt, K. Weissleder, and M. Frisch, 2012 Genome- based prediction of test cross performance in two subsequent breeding cycles. Theor. Appl. ...
Testcross performance and combining ability of early maturing maize inbreds under multiple-stress environmentsPlant breedingAbioticBioticAvailability of multiple-stress tolerant maize is critical for improvement in maize production in West and Central Africa (WCA). A study was carried out to (i) assess...
PURPOSE:To breed and produce Pterygota or Testacea in annual planning by containing plant of Gramineae or Leguminosae and Pterygota or Testacea in a net cage having a float and breeding in the sea. CONSTITUTION:Plant 3 (e.g. bamboo grass) of Gramineae or Leguminosae as a bait and Pterygota...
In hybrid maize (Zea mays L.) breeding, doubled haploids (DH) are increasingly replacing inbreds developed by recurrent selfing. Doubled haploids may be developed directly from S0 plants in the parental cross or via S1 families. In both these breeding schemes, we examined 2 two-stage selec...
The Genetical Society of Great Britain THE EXPECTED EFFICIENCIES OF HALF-SIB, TESTCROSS AND Si PROGENY TESTING METHODS IN SINGLE POPULATION IMPROVEMENT A. J. WRIGHT Plant Breeding Institute, Cambridge Received 12.v.80 SUMMARY Expressions are given for the expected rate of response to selection ...
Testcross-means of parents, F1 crosses, and F3 populations averaged across the six crosses in a particular set generally agreed well for all three traits. Bartlett's test revealed heterogeneous TC variances among the six crosses in all sets for plant height, in four sets for grain yield and ...
9 RegisterLog in Sign up with one click: Facebook Twitter Google Share on Facebook captive test [′kap·tiv ′test] (engineering) A hold-down test of a propulsion subsystem, rocket engine, or motor. McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The Mc...
Although VP can cross the cerebrospinal blood-brain barrier, its entry is limited and it is degraded quickly, which suggests that it does not act directly on the neural areas that modulate avoidance behavior (Zaidi and Heller, 1974; Ang and Jenkins, 1982; Mens et al., 1983). ...
Successive sets of 16 inbreds can, therefore, be regarded as independent random samples of pure breeding lines drawn from 222 H. S. POONI AND J. L JINKS all possible inbreds extractable from the I x 5 cross. In this way, the experiment can be split into five small experiments of equal...