Results 11 to 20 of about 1,328 (200)

Genomic prediction for the Germplasm Enhancement of Maize project

open access: yesThe Plant Genome, 2022
The Germplasm Enhancement of Maize (GEM) project was initiated in 1993 as a cooperative effort of public‐ and private‐sector maize (Zea mays L.) breeders to enhance the genetic diversity of the U.S. maize crop.
Anna R. Rogers   +6 more
doaj   +2 more sources

The estimation of the combining ability of sunflower lines

open access: yesЗерновое хозяйство России, 2020
For the successful development of competitive sunflower hybrids, it is necessary to have a sufficient number of parental lines with valuable breeding traits and high combining ability. In the zone of insufficient moisture of the Rostov region, there were
E. S. Lepeshko   +2 more
doaj   +1 more source

Phenotypic assessment of genetic gain from selection for improved drought tolerance in semi‐tropical maize populations

open access: yesJournal of Agronomy and Crop Science, Volume 209, Issue 1, Page 71-82, February 2023., 2023
Abstract Most maize production across the globe is rain‐fed, and production is set to be negatively impacted as duration and occurrence of droughts increases due to climate change. Development of water‐deficit tolerant maize germplasm has been a major focus for most breeding programmes.
Tatenda R. Musimwa   +5 more
wiley   +1 more source

Combining ability and genetic divergence in the selection of testers regarding grain yield and forage potencial in maize topcrosses

open access: yesRevista Ciência Agronômica, 2021
Genetic divergence analysis among testers and progenies and the correlation of genetic distance with combining ability can be an important alternative to select maize progenies regarding grain yield and forage potential since testers suitable to both ...
Jocimar Costa Rosa   +5 more
doaj   +1 more source

Comparison among nine alfalfa breeding schemes based on actual biomass yield gains

open access: yesCrop Science, Volume 61, Issue 4, Page 2355-2371, July/August 2021., 2021
Abstract The definition of efficient selection methods for biomass yield of alfalfa and other open‐pollinated forage crops has lagged behind, despite its crucial importance for breeders. This study, performed in northern Italy, aimed to compare nine breeding schemes encompassing the evaluation of replicated clones and half‐sib (HS), first selfing ...
Paolo Annicchiarico, Luciano Pecetti
wiley   +1 more source

Combining ability of recombined F4 papaya lines: a strategy to select hybrid combination

open access: yesScientia Agricola, 2020
: The growing demand for quality of papaya by the domestic and international markets requires the development of genotypes that are capable of incorporating traits, such as high yield and fruit quality. This study estimated the genetic parameters and the
Julio Cesar Fiorio Vettorazzi   +8 more
doaj   +1 more source

Potencial discriminatório de três testadores em "topcrosses" de milho [PDF]

open access: yesPesquisa Agropecuária Brasileira, 2003
O objetivo deste trabalho foi determinar o potencial de três testadores endogâmicos elites a fim de avaliar e classificar 15 materiais genéticos para a síntese de híbridos. Quarenta e cinco híbridos mais quatro testemunhas foram avaliados em cinco ambientes, no ano agrícola 2000/2001, utilizando delineamento em blocos ao acaso, com três repetições ...
Duarte, Iran de Azevedo   +2 more
openaire   +4 more sources

COMBINATION ABILITY OF SOYBEAN VARIETIES BY PRODUCTIVITY IN TOPCROSS CROSSES

open access: yesAgriculture and Forestry, 2022
Two-tester analysis of topcross crossings of soybean varieties, which differ in valuable economic traits and ecological and geographical origin, was used in the research. According to the indicators of combining ability, the value of soybean varieties was determined by the elements of the crop structure.
Oleksandr Mazur, Olena Mazur
openaire   +1 more source

Fast‐tracking the evaluation of novel female candidate lines in CMS‐based hybrid breeding

open access: yesPlant Breeding, Volume 140, Issue 3, Page 432-441, June 2021., 2021
Abstract Time‐ and resource‐efficient identification of promising lines is of utmost importance in hybrid breeding. Here, we present a novel approach to evaluate female candidate lines for single‐cross hybrids, which saves four to five generations by obtaining general (GCA) and specific combining ability (SCA) effect estimates prior to the ...
Johannes Trini   +4 more
wiley   +1 more source

Heterosis and genetic distance in intervarietal corn hybrids [PDF]

open access: yesPesquisa Agropecuária Brasileira
: The objective of this work was to evaluate the performance of intervarietal corn (Zea mays) hybrids with topcross crosses between landrace populations, and to confirm whether genetic dissimilarity between populations is correlated with the heterosis of
Diego Baretta   +10 more
doaj   +2 more sources

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