[PDF] Top 20 Diallel analysis of maize resistance to Phaeosphaeria maydis

... genetic resistance against diseases, the estimation of genetic parameters that control resistance allows the introduction of resistance into suscetible germplasm to be clearly ... See full document

... Concerning to the partial resistance to Pp, no studies were reported previously in popcorn germplasm ...predominance of additive genes conditioning this trait was found in common corn (SILVA ... See full document

... single-gene resistance is typically unavailable for diseases caused by necrotrophic pathogens ...disease of maize caused by the polycyclic pathogens Cercospora zeae- maydis and Cercospora ... See full document

... putative resistance of these lines. Resistance to NCLB is generally classified as: major gene resistance, conferred by the Ht1, Ht2, Ht3 or HtN genes, which is race specific; or partial ... See full document

... Nonhost resistance (NHR) pertains to the most common form of plant resistance against pathogenic microorganisms of other ...Bipolaris maydis is a non-adapted pathogen affecting ... See full document

... sistance to P. maydis, as well as lower ear ...compared to commercial checks. Con- sidering the magnitude of general combining effects, re- sistance to ...P. maydis might be due ... See full document

... application of young larvae mixed with corn cob grits using a manual dispenser “bazooka” (Wiseman et ...V6 to V8, with approximately 15 larvae per ...evaluation of the damage was at 7 and 14 days ... See full document

... identification of predominance of the additive effects and high heritability estimates, it becomes clear that the chances of obtaining GLS-resistant lines by selection are ...According to ... See full document

... isolates of C. zeae- maydis was 90%, a value comparable to the variability found within this species in both countries, as discussed ...isolates of C. zeina were on average 90.2% and 89% ... See full document

... plants of each geno- type grown in pots placed in a greenhouse under controlled humidity and temperature ...up to 29 °C, this temper- ature range being the ideal average for race identification experiments ... See full document

... objectives of this study were to identify promising popcorn lines and hybrids for genetic resistance to tropical rust (Tr, Physopella zeae) in diallel crosses of nine lines ... See full document

... presence of small effect complementary genes in the parental genotypes involved in the crosses (Barbieri et ...inferior to the general mean for the character. The correct selection of parental ... See full document

... proved to be promising for the obtainment of populations based on SCA estimates for ...conduction of segregating populations from the cross 259x107 can be a favorable strategy for Jatropha breeding, ... See full document

... 27.3 of the agricultural area in the region (Xue et ...increase of its cultivation has been prompted by agricultural advances, such as improve- ments in crop rotations in conjunction with improve- ments in ... See full document

... A diallel is a mating system that involves all pos- sible crosses among a group of ...used to study polygenic systems that determine quantita- tive ...nature of the parents, individu- als from ... See full document

... The maize and cotton seeds were first disinfected with 1% sodium hypochlorite for one minute and then washed with distilled water three times and placed to dry at 23 °C for three ...changed, to 30 ... See full document

... estimates of the components and their respective standard deviation for total soluble solids, it is concluded that there is a possibility of additive and non-additive genetic effects in the control ... See full document

... number of days to maturity (NDM), oil content in the seeds (OC), grain yield (GY) and oil yield ...existence of genetic variability in the parents and progeny for all the ...rank of the ... See full document

... one of the main crops grown in northeastern Brazil. The states of Rio Grande do Norte and Ceará are the largest producers of this fruit and account together for more than 90 % of the national ... See full document

... denominator of expression (iv) previously developed for the phenotypic correlation coefficient shows the importance of the average residual component in the environments ...effects of the complex ... See full document