Yield of varieties of Cucurbita pepo preimmunized with mild strains of Papaya ringspot virus - type W and Zucchini yellow mosaic virus . Scientia Agricola, [S. l.], v. 66, n. 3, p. 419–424, 2009. DOI: 10.1590/S0103-90162009000300019. Disponível em: https://revistas.usp.br/sa/article/view/22472.. Acesso em: 23 jul. 2024.