from The Century Dictionary and Cyclopedia
- Concerning or pertaining to one hundred or any considerable number of representatives of a race, variety, or strain of domesticated animals or cultivated plants, when considered as a type or pure sample of the whole.
- n. One hundred or any considerable number of representatives of a race, variety, or strain of domesticated animals or cultivated plants, considered as a type or true sample of the whole.
- n. Specifically, the separately planted seminal or klonal progeny of a single parent, as a nursery-plat from one wheat plant, or the progeny of an animal so raised that their average values may be secured as a measure of the breeding-value of the parent.
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If this determination of the "centgener power," as Hays calls it, should prove to be the true principle of selection, then indeed the analogy between natural and artificial selection would lose a large part of its importance.
Only the parents with the largest power in the centgener of offspring are chosen, while all others are wholly discarded.
This centgener power, or breeding ability, is tested and compared for the various parent plants as to yield, grade, and percentage of nitrogenous content in the grain, and as to the ability of the plant to stand erect, resist rust, and other important qualities.
Hereditary percentage and centgener power as marks by which intraspecific selection may be guided.
Once attained, progress however, will be dependent on the selection principle, and the hereditary percentage, or centgener power or breeding ability, must be determined in each generation anew.
In some measure the members of the best centgener will manifestly be at an advantage, because they contain more fit specimens than the other groups.