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Gerardo Ocfemia

Gerardo Offemaria Ocfemia, Philippine plant pathologist (Guinobatan, Albay 23 April 1891 – Pasay City 16 November 1959)

Studied the cause of bunchy-top of abaca or Manila hemp and its method of transmission (1930)

Designed insect-proof chambers (1931)

Proposed an insect as vector of the Fiji disease of sugar cane (1932)

Proposed that cadang-cadang disease of coconut is a virus disease (1937)