Combining abilities analysis for ear rot resistance in popcorn hybrids development

Ear rot caused by fungi of genus Fusarium (FER) is one the potentially harmful diseases to grain quality in maize. Given capacity produce mycotoxins, FER presents a risk food safety. This study sought identify parents and indicate hybrids popcorn with higher level resistance incidence severity FER. Hybrids were produced from crossing 15 lines S7 generation 5 testers. The hybrids, together five more genotypes used as control, evaluated field trial. It was randomized block design arranged 10 x lattice. Data submitted analysis variance F test (p < 0.05) then mean grouping Scott Knott 0.05). results showed possible explore new sources among germplasm evaluated. Both additive non-additive gene effects are important resistance. To obtain gains resistance, development should consider use parental low means good general combining ability.