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Gerbera -- Diseases and pests

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• Gerbera
• Diseases and pests

• Cyclamen mite

• Control of cyclamen and broad mites on Gerbera (U.S. Dept. of Agriculture, 1939), by Floyd F. Smith (page images at HathiTrust)

• The cyclamen mite and the broad mite and their control (U.S. Dept. of Agriculture, 1933), by Floyd F. Smith (page images at HathiTrust)

• Investigations in the control of the cyclamen mite (Tarsonemus pallidus Banks) (University Farm, 1933), by F. Munger (page images at HathiTrust)
• The cyclamen mite and the broad mite and their control (U.S. Dept. of Agriculture, 1933), by Floyd F. Smith (page images at HathiTrust)
• Control of cyclamen and broad mites on Gerbera (U.S. Dept. of Agriculture, 1939), by Floyd F. Smith (page images at HathiTrust)

Items below (if any) are from related and broader terms.

• Stand and tree characteristics influencing density of fir engraver beetle attack scars in white fir (Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1973), by George T. Ferrell and Calif.) Pacific Southwest Forest and Range Experiment Station (Berkeley (page images at HathiTrust)
• Estimating defoliation of Douglas-fir and white fir by the western budworm / M.E. McKnight. (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1969), by M. E. McKnight and Colo.) Rocky Mountain Forest and Range Experiment Station (Fort Collins (page images at HathiTrust)
• White fir stands killed by tussock moth : 70-mm. color photopgraphy aids detection (Pacific Southwest Forest & Range Experiment Station, 1968), by Steven L. Wert and Boyd E. Wickman (page images at HathiTrust)
• The biology and pathology of dwarfmistletoe : Arceuthobium compylopodum f. abietinum, parasitizing true firs (Abies spp.) in California (U.S. Dept. of Agriculture, 1967), by Robert F. Scharpf and J. R. Parmeter (page images at HathiTrust)
• The fir engraver beetle : a serious enemy of white fir and red fir (U.S. Dept. of Agriculture, 1937), by George R. Struble (page images at HathiTrust)

• Lumber recovery and deterioration of beetle-killed douglas-fir and grand fir in the Blue Mountains of eastern Oregon (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996), by Dean L. Parry and Or.) Pacific Northwest Research Station (Portland (page images at HathiTrust)
• Insect damage in grand fir cones (USDA Forest Service, Intermountain Forest and Range Experiment Station, 1963), by Robert D. Pfister, Phil C. Woolwine, and Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at HathiTrust)

• Dwarf mistletoe on red fir : infection and control in understory stands (Pacific Southwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1969), by Robert F. Scharpf (page images at HathiTrust)
• The biology and pathology of dwarfmistletoe : Arceuthobium compylopodum f. abietinum, parasitizing true firs (Abies spp.) in California (U.S. Dept. of Agriculture, 1967), by Robert F. Scharpf and J. R. Parmeter (page images at HathiTrust)
• The fir engraver beetle : a serious enemy of white fir and red fir (U.S. Dept. of Agriculture, 1937), by George R. Struble (page images at HathiTrust)

• Biology, ecology, and taxonomy of insects infesting acorns (University of Missouri, College of Agriculture, Agricultural Experiment Station, 1960), by Jerome Brezner (page images at HathiTrust)

• Die Spezialisation der Alchimillen-bewohnenden Sphaerotheca humuli (DC) Burr (G. Fischer, 1908), by Johann Alfred Steiner (page images at HathiTrust; US access only)

• Über die bei der Schwarzerle (Alnus glutinosa) und der gewöhnlichen Garten-Lupine (Lupinus mutabilis) auftretenden Wurzelanschwellungen. Der Akademie vorgelegt am 24. Mai 1866. (Commissonare der Kaiserlichen Akademie der Wissenschaften, 1866), by Mīkhaīl Stepanovīch Voronīn (page images at HathiTrust)
• Life history of the alder blight aphis (Government Printing Office, 1912), by Theo Pergande and United States. Bureau of Entomology (page images at HathiTrust)

• Alfalfa and clover diseases. ([1918-1919]., 1918), by Fred Reuel Jones (page images at HathiTrust; US access only)
• Alfalfa analyst (University of Wisconsin-Extension, 1972), by F. I. Frosheiser, M. Curtis Wilson, R. D. Munson, Certified Alfalfa Seed Council, and University of Wisconsin--Extension. Cooperative Extension Programs (page images at HathiTrust; US access only)
• The leaf-spot diseases of alfalfa and red clover caused by the fungi Pseudopeziza medicaginis and Pseudopeziza trifolii, respectively. (Govt. print. off., 1919), by Fred Reuel Jones (page images at HathiTrust)
• Crown-gall of alfalfa ... ([Chicago, 1920), by Orville Turner Wilson (page images at HathiTrust)
• Anthracnose disease ratings for alfalfa varieties and experimental strains (Agricultural Research Service, U.S. Dept. of Agriculture, 1975), by T. E. Devine, C. H. Hanson, T. A. Campbell, and United States. Agricultural Research Service (page images at HathiTrust)
• Effect of temperature and photoperiod on the biology of blue alfalfa aphid, Acyrthosiphon kondoi Shinji (U.S. Dept. of Agriculture, 1982), by Russel Todd Kodet, Mervin William Nielson, and Robert Otto Kuehl (page images at HathiTrust)
• Biology and ecology of North Dakota grasshoppers. 1, Food habits and preferences of grasshoppers associated with alfalfa fields (North Dakota Agricultural Experiment Station, 1962), by Gregory B. Mulkern, M. A. Brusven, and John F. Anderson (page images at HathiTrust; US access only)
• Prevention and control of alfalfa weevil damage (U.S. Dept. of Agriculture, 1943), by J. C. Hamlin (page images at HathiTrust)
• Controlling dodder in alfalfa (U.S. Dept. of Agriculture, 1971), by J. H. Dawson, W. O. Lee, and F. Leonard Timmons (page images at HathiTrust)
• The clover leaf weevil and its control (U.S. Dept. of Agriculture, 1956), by W. H. Larrimer (page images at HathiTrust)
• The leaf-spot diseases of alfalfa and red clover caused by the fungi Pseudopeziza medicaginis and Psuedopeziza [sic] trifolii, respectively (U.S. Dept. of Agriculture, 1919), by Fred Reuel Jones (page images at HathiTrust)
• Bacterial wilt and winter injury of alfalfa (U.S. Dept. of Agriculture, 1928), by Fred Rufus Jones and J. L. Weimer (page images at HathiTrust)
• Observations on some alfalfa root troubles (U.S. Dept. of Agriculture, in cooperation with the Kansas Agricultural Experiment Station, 1927), by J. L. Weimer (page images at HathiTrust)
• The potato leafhopper on alfalfa : how to control (U.S. Dept. of Agriculture, 1963), by United States. Entomology Research Division (page images at HathiTrust)
• Insects affecting alfalfa seed production in Kansas (Agricultural Experiment Station, Kansas State College of Agriculture and Applied Science, 1951), by Woodrow W. Franklin (page images at HathiTrust)
• Leafhopper injury to clover and alfalfa (Kentucky Agricultural Experiment Station, University of Kentucky, 1929), by H. H. Jewett (page images at HathiTrust)
• Black-stem of alfalfa, red clover and sweet clover (Kentucky Agricultural Experiment Station, University of Kentucky, 1933), by E. M. Johnson and W. D. Valleau (page images at HathiTrust)
• Grasshoppers in alfalfa fields (University of Nevada Agricultural Experiment Station, 1904), by Samuel Bradford Doton (page images at HathiTrust)
• The alfalfa snout beetle : its control and suppression (Cornell University Agricultural Experiment Station, 1941), by Charles E. Palm, Charles Gatewood Lincoln, and Arthur Bernard Buchholz (page images at HathiTrust; US access only)
• Alfalfa root rot (Texas Agricultural Experiment Station, 1892), by Geo. W. Curtis (page images at HathiTrust)
• Population dynamics of larvae of alfalfa leafcutting bee, Megachile rotundata, in eastern Washington (Washington Agricultural Experiment Station, 1974), by J. D. Eves and C. A. Johansen (page images at HathiTrust)
• Movement responses of the alfalfa seed chalcid resulting from chemicals applied to the ovipositor (Agricultural Experiment Station, University of Wyoming, 1967), by Wayne Edwin Wingfield and W. Don Fronk (page images at HathiTrust; US access only)
• The present status of the alfalfa weevil in California (Agricultural Experiment Station, 1943), by A. E. Michelbacher (page images at HathiTrust)
• Alfalfa wilt as influenced by soil temperature and soil moisture (University of Illinois Agricultural Experiment Station, 1932), by Benjamin Koehler and Fred Reuel Jones (page images at HathiTrust)
• The insect pests of clover and alfalfa (University of Illinois Agricultural Experiment Station, 1909), by Justus Watson Folsom (page images at HathiTrust)
• The literature of arthropods associated with alfalfa: I. A bibliography of the spotted alfalfa aphid, Therioaphis maculata (Buckton) (Homoptera: Aphidae) (Illinois Dept. of Registration and Education, Natural History Survey Division, 1974), by D. W. Davis, E J Armbrust, and M P Nichols (page images at HathiTrust; US access only)
• The literature of arthropods associated with alfalfa: II. A bibliography of the Sitona species (Coleoptera: Curculionidae) (Illinois Dept. of Registration and Education, Natural History Survey Division, 1974), by W. P. Morrison (page images at HathiTrust; US access only)
• The clover and alfalfa seed chalcis-fly (U.S. Dept. of Agriculture, 1920), by T. D. Urbahns (page images at HathiTrust)
• Clover stem borer as an alfalfa pest. (U.S. Dept. of Agriculture, 1920), by V. L. Wildermuth, Frank Herbert Gates, and United States Department of Agriculture (page images at HathiTrust)
• Garden flea-hopper in alfalfa and its control (U.S. Dept. of Agriculture, 1921), by A. H. Beyer (page images at HathiTrust)
• The alfalfa snout beetle, Brachyrhinus ligustici L. (Cornell University Agricultural Experiment Station, 1935), by Charles E. Palm (page images at HathiTrust; US access only)
• Clover dodder (W.H. Cullin, 1913), by J. C. Readey and British Columbia. Live Stock Branch (page images at HathiTrust)
• The alfalfa weevil : Phytonomus posticus Fab. (Utah Agricultural Experiment Station, 1918), by Harold R. Hagan and Utah Agricultural Experiment Station (page images at HathiTrust)
• Control of the green clover worm in alfalfa fields (U.S. Dept. of Agriculture, 1918), by C. C. Hill (page images at HathiTrust)
• Controlling the garden web worm in alfalfa fields. (U.S. Dept. of Agriculture, 1918), by E. O. G. Kelly and T. S. Wilson (page images at HathiTrust)
• The alfalfa weevil and methods of controlling it (U.S. Dept. of Agriculture, 1916), by Geo. I. Reeves (page images at HathiTrust)
• Spraying for the alfalfa weevil (U.S. Dept. of Agriculture, 1920), by Geo. I. Reeves, K. M. Pack, and T. R. Chamberlin (page images at HathiTrust)
• The alfalfa leaf-weevil (Utah Agricultural College Experiment Station, 1910), by E. G. Titus and Utah Agricultural Experiment Station (page images at HathiTrust)
• Alfalfa attacked by the clover root circulio (U.S. Dept. of Agriculture, 1915), by F. M. Webster (page images at HathiTrust)
• The grasshopper problem and alfalfa culture (U.S. Dept. of Agriculture, 1915), by F. M. Webster (page images at HathiTrust)
• The alfalfa caterpillar (U.S. Dept. of Agriculture, 1920), by V. L. Wildermuth (page images at HathiTrust)
• The alfalfa caterpillar (U.S. Dept. of Agriculture, 1914), by V. L. Wildermuth and United States Department of Agriculture (page images at HathiTrust)
• Urophlyctis alfalfae, a fungus disease of alfalfa occurring in Oregon. ([Cambridge, Mass.], 1912), by Patrick Joseph O'Gara (page images at HathiTrust)
• Control of aphids : hearing before the Special Subcommittee on Aphid Infestation of the Committee on Agriculture, House of Representatives, Eighty-fourth Congress, second session, on H.R. 10502, 10506, 10513, 10515, 10543, and 10639, April 24, 1956. (U.S. G.P.O., 1956), by United States. Congress. House. Committee on Agriculture. Special Subcommittee on Aphid Infestation (page images at HathiTrust)
• Alfalfa analyst (University of Minnesota, Agricultural Extension Service, 1975), by F. I. Frosheiser, R. D. Munson, M. Curtis Wilson, and University of Minnesota. Agricultural Extension Service (page images at HathiTrust)
• The superb plant bug : Adelphocoris Superbus (Uhler) its life history and its relation to seed development in alfalfa (Utah Agricultural Experiment Station, 1954), by Charles J. Sorenson and Lowell Cutler (page images at HathiTrust; US access only)
• Root rots of alfalfa and red clover (West Virginia University Agricultural Experiment Station, 1969), by Edward Sumner Elliott, Robert E. Baldwin, and Robert Buck Carroll (page images at HathiTrust; US access only)
• Lygus hesperus Knight and Lygus elisus Van Duzee in relation to alfalfa seed production (Utah Agricultural Experiment Station, 1939), by Charles J. Sorenson (page images at HathiTrust)
• Growing alfalfa for seed (Agricultural Experiment Station, Utah State Agricultural College, 1955), by Marion Walter Pedersen (page images at HathiTrust)
• Insects in relation to alfalfa-seed production (Utah Agricultural Experiment Station, 1932), by Charles J. Sorenson (page images at HathiTrust)
• A Bibliography of the Sitona species (Coleoptera: Curculionidae) (State of Illinois, Dept. of Registration and Education, Natural History Survey Division, 1974), by W. P. Morrison and Illinois. Natural History Survey Division (page images at HathiTrust)
• Bacterial wilt of alfalfa and its control (U.S. Dept. of Agriculture, 1940), by Fred Reuel Jones and United States Department of Agriculture (page images at HathiTrust)
• Controlling dodder in alfalfa (U.S. Dept. of Agriculture, 1965), by J. H. Dawson, F. L. Timmons, and William O. Lee (page images at HathiTrust)
• Alfalfa mosaic, the disease and its virus incitant : a literature review (Research Division, College of Agricultural and Life Sciences, University of Wisconsin, 1970), by Pat Crill, D. J. Hagedorn, and E. W. Hanson (page images at HathiTrust)

More items available under broader and related terms at left.