C. Vittorazzi
Indices estimated using REML/BLUP and introduction of a super-trait for the selection of progenies in popcorn
Selection indices commonly utilize economic weights, which become arbitrary genetic gains. In popcorn, this is even more evident due to the negative correlation between the main characteristics of economic importance - grain yield and popping expansion. As an option in the use of classical biometrics as a selection index, the optimal procedure restricted maximum lik.. Read More»
Genet. Mol. Res. 16(3): gmr16039769
DOI: 10.4238/gmr16039769
Combining ability of S3 progenies for key agronomic traits in popcorn: comparison of testers in top-crosses
The successful development of hybrid cultivars depends on the reliability of estimated combining ability of the parent lines. The objectives of this study were to assess the combining ability of partially inbred S3 families of popcorn derived from the open-pollinated variety UENF 14, via top-crosses with four testers, and to compare the testers for their ability to .. Read More»
Genet. Mol. Res. 15(4): gmr15049319
DOI: 10.4238/gmr15049319
Combining ability of tropical and temperate inbred lines of popcorn
In Brazil, using combining ability of popcorn genotypes to achieve superior hybrids has been unsuccessful because the local genotypes are all members of the same heterotic group. To overcome this constraint, 10 lines (P1 to P10) with different adaptations to tropical or temperate edaphoclimatic environments were used to obtain 45 F1 hybrids in a complete diallel. Th.. Read More»
Genet. Mol. Res. 9(3): vol9-3gmr900
DOI: 10.4238/vol9-3gmr900
Stability and adaptability of popcorn genotypes in the State of Rio de Janeiro, Brazil
This study aimed to obtain estimates of stability and adaptability of phase launched materials and materials recommended in the country, for the northern and northwestern regions of Rio de Janeiro State, Brazil, and made a comparative analysis of different methods to evaluate stability and adaptability of grain yield and popping expansion. To this end, 10 genotypes were evaluated (UNB2U-C3, UNB2U-.. Read More»
Genet. Mol. Res. 11(3): 2012.August.31.1
DOI: 10.4238/2012.August.31.1
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