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T.P.S. Poltronieri

Publications of : T.P.S. Poltronieri
Microbial Genetics   Research Article

Phylogeography and population structure analysis reveals diversity by mutations in Lasiodiplodia theobromae with distinct sources of selection

Lasiodiplodia theobromae is a plant pathogen with a worldwide distribution, with low host specificity, causing stem cankers, dieback diseases, and fruit rot in several species of plants. In coconut, this pathogen is reported as the etiological agent of “coconut leaf blight” (CLB) disease, causing several losses in fruit production. The CLB is an importan.. Read More»

Genet. Mol. Res. 16(2): gmr16029681

DOI: 10.4238/gmr16029681

Plant Genetics   Research Article

Genetic variability affecting Exserohilum turcicum resistance in popcorn lines grown under high and low phosphorus conditions

    A.T. Amaral Jr., R.M. Ribeiro, P.H.D. Santos, T.P.S. Poltronieri, J.M.S. Vivas, I.F.S. Gerhardt, B.M. Carvalho, C.S. Freitas and S.B. Miranda

Northern leaf blight (NLB), caused by Exserohilum turcicum, is one of the main foliar diseases that affect popcorn culture. Farmers use many control measures to minimize damage caused by this disease, among which, the use of cultivars with genetic resistance is the most effective and economical. The aim of this study was to investigate genetic variability influencin.. Read More»

Genet. Mol. Res. 15(4): gmr15049399

DOI: 10.4238/gmr15049399

Plant Genetics   Research Article

Selecting black-spot resistant papaya genotypes derived from backcrossing and hybrids

    T.P.S. Poltronieri, S.F. Silveira, M. Vivas, R. Santa Catarina,D.F.M. Cortes, A.O.N. Azevedo and M.G. Pereira

Papaya crop is important to Brazilian agribusiness. However, the expansion of papaya cultivation in the country is affected by the absence of commercial cultivars presenting good disease resistance. The black-spot caused by the fungus Asperisporium caricae is the most damaging foliar disease affecting Brazilian papaya crops. The use of genetically resistant cultivar.. Read More»

Genet. Mol. Res. 16(1): gmr16019401

DOI: 10.4238/gmr16019401