Control of cyclamen and broad mites on Gerbera /
Smith, Floyd F. 1900-
Control of cyclamen and broad mites on Gerbera / by Floyd F. Smith. - Washington, D.C. : U.S. Dept. of Agriculture, 1939. - 15 p. : ill. ; 24 cm. - Circular / United States Department of Agriculture ; no. 516 . - Circular (United States. Department of Agriculture) ; no. 516. .
Cover title. Contribution from Bureau of Entomology and Plant Quarantine.
agr39000322
Mites--Control.
Cyclamen mite--Control.
Gerbera--Diseases and pests.
SB608.G4 / S8
1 / Ag84C no.516
Control of cyclamen and broad mites on Gerbera / by Floyd F. Smith. - Washington, D.C. : U.S. Dept. of Agriculture, 1939. - 15 p. : ill. ; 24 cm. - Circular / United States Department of Agriculture ; no. 516 . - Circular (United States. Department of Agriculture) ; no. 516. .
Cover title. Contribution from Bureau of Entomology and Plant Quarantine.
agr39000322
Mites--Control.
Cyclamen mite--Control.
Gerbera--Diseases and pests.
SB608.G4 / S8
1 / Ag84C no.516