Research article | Open Access
Helia 1999, Vol. 22(31) 151-158
REACTION OF SUNFLOWER GENOTYPES TO Alternaria helianthi IN THE STATE OF PARANÁ, BRAZIL
R.M.V.B.C. Leite , M.M. Trezzi , M.F. de Oliveira , C.A.A. Arias & V.B.R. Castiglioni