Josué Augusto Deslandes, Brazilian plant pathologist (Belo Horizonte 08 August 1902 – Lavras, Minas Gerais State 10 December 1988)

Described many pathogens of plant bacterial diseases

Described a new disease, chlorotic leaf spot

First description of Fusarium oxysporum f.sp. ricini

With S.C. Arruda. A murcha da mamoneira do Nordeste. O Biológico 6:144-8, 1940

First to report target leaf spot in Hevea spp.

Observações fitopatologicas na Amazônia. Bol. Fitossanitário 1:197-244, 1944

Described the symptomatology of Sete Voltas disease

Doenças da cebola. Publ. 19, Div. Defesa Sanitária Vegetal (1944)

His brother, Isaías Augusto Deslandes, plant pathologist (Belo Horizonte 15 March 1905 – Juiz de Fora, Minas Gerais State 27 February 1955)

Found an effective method of combating the leaf disease of quince orchards (Entomosporium maculatum) in 1940

Developed methods for controlling quince entomosporiosis