Results 321 to 330 of about 2,473,923 (366)
Some of the next articles are maybe not open access.
Theoretical value of estimates of general combining ability in the autotetraploid crop
Theoretical and Applied Genetics, 1987The means of half-sib progenies have been indicated as selection criteria for intra-population improvement while the average of the means of full-sib progenies in diallel analyses have been proposed as predictors, in part, of the means of untested synthetic varieties. When these measures based on progeny means are expressed as deviations from a defined
openaire +3 more sources
The American Naturalist, 1983
The common assumption that species coexistence in nature can be generally explained by processes of natural selection for niche differentiation does not have strong empirical support for plants. The meaning of competitive ability has traditionally been embedded within an Eltonian view of the niche.
openaire +1 more source
The common assumption that species coexistence in nature can be generally explained by processes of natural selection for niche differentiation does not have strong empirical support for plants. The meaning of competitive ability has traditionally been embedded within an Eltonian view of the niche.
openaire +1 more source
General and specific combining ability for cane yield and implications for sugarcane breeding [PDF]
Crop Science, 2020 AbstractGeneral combining ability (GCA) referencing additive genetic effects and specific combining ability (SCA) referencing nonadditive effects have been applied for decades in maize (Zea mays L.) breeding and other crops to produce greater genetic gains in crop breeding.
openaire +1 more source
Combining Ability Analysis in Rice (Oryza sativa L.)
International Journal of Pure & Applied Bioscience, 2019Combining ability in rice was studied with a set of 4 lines and 10 testers and their 40 hybrids. The magnitudes of gea variances were higher than sea variances for all the characters which indicated that additive gene action was predominant in the ...
V. Patel +3 more
semanticscholar +1 more source
Two-locus theory in recurrent selection for general combining ability in maize
Theoretical and Applied Genetics, 1982Two-locus theory for recurrent selection for general combining ability in maize was developed. The theory featured: (a) recombination of the selfed progeny of selected parents; and (b) linkage disequilibrium in the initial gametic array. The theory indicated: (a) that initial linkage disequilibrium exerts a permanent influence upon selection progress; (
openaire +3 more sources
Inbred Lines as Testers for General Combining Ability in Maize1
Crop Science, 1986Inbred testers have been used successfully for the improvement of general combining ability (GCA) in maize (Zea mays L.), but they are not generally accepted as being equal to testers with a broad genetic base for this purpose. The objective of this study was to compare estimates of GCA obtained by use of the two tester types.
B. T. Zambezi +2 more
openaire +2 more sources
Generating New Business Ideas: The Ability of Category Combination and Reorganization
SSRN Electronic Journal, 2009Many scholars argue that from a cognitive perspective the creative act of opportunity recognition can be conceptualized as a transformation process of bringing together previously unrelated knowledge in order to create a new means-ends framework. Along these lines, the present paper empirically investigates whether the basic cognitive process of ...
openaire +2 more sources
Combining ability and correlations for yield components in early generations of potato breeding
Plant Breeding, 2006AbstractA partial diallel set of crosses was made between 14 potato cultivars chosen for their fertility, from those included in a potato breeding programme at the NEIKER – Basque Institute for Agricultural Research. The progeny were grown in completely randomized trials from 1997 to 1999.
E. Ritter +3 more
openaire +2 more sources
General and Specific Combining Abilities for Flower Characters of Capsicum annuum L.
Journal of Experimental Agriculture International, 2019The study was carried out with the objective of estimating the combinatorial capacity of ornamental pepper (Capsicum. annuum L.) genotypes for flower traits, aiming to identify the best hybrids and the best parents for the synthesis of new populations.
Elizanilda Ramalho do Rêgo +2 more
openaire +2 more sources
General combining ability and its repeatability in early generations of potato breeding programmes
Potato Research, 1998General combining ability and its repeatability in the early generations of a potato breeding programme was studied by evaluating 72 progenies (18×4) of 22 parents in a factorial mating design for three successive generations. The mean squares for combining ability due to females, males and females × males were significant for eight out of the ten ...
openaire +2 more sources