Zobrazeno 1 - 10
of 25
pro vyhledávání: '"T. R. Pfrimmer"'
Autor:
T. R. Pfrimmer
Publikováno v:
American Entomologist. 39:52-54
Autor:
T. R. Pfrimmer, M. E. Merkl
Publikováno v:
Environmental Entomology. 10:419-423
During the period 1955–1973, winter survival of the boll weevil, Anthonoumus grandis Boheman in Mississippi, as determined by examination of surface woods trash samples in the fall and sprrig, ranged from 0.2 to 51.6% for a state avg. The numbers o
Autor:
J. D. Lattin, R. H. Roberts, O. Taboada, L. L. Pechuman, D. C. Rentz, C. A. Barlow, W. F. Barr, G. M. McWhorter, D. W. S. Sutherland, W. A. Brindley, R. C. Hunter, T. R. Pfrimmer, W. G. Philips, P. J. Spear, E. M. Osborne, B. C. Pass, R. J. Kuhr, J. W. Todd, D. L. Bull, R. C. Riley, A. C. Davis, W. Klassen, J. M. Magner, R. E. Treece, W. E. Waters, J. W. Gentry, J. A. Dold, R. D. Eikenbary, C. R. Ellis, R. G. Haines, F. W. Knapp, E. P. Lichtenstein, S. R. Rachesky, J. S. Rousell, H. K. Townes, T. F. Watson, M. L. Cleaveland, C. C. Doane, S. G. Wellso, D. C. Peters, W. V. Campbell, S. A. Hoyt, W. S. Vansloik, J. R. Strayer, D. F. Bray, T. A. Miller, P. L. Adkison, E. E. Guyer, W. G. Eden, R. H. Nelson, P. O. Ritcher, E. E. Ortman, W. T. Johnson, L. R. Edmunds, M. A. Brusven, T. R. Yonke, L. M. Chilson, W. D. Duckworth, B. F. Elridge, T. J. Schulz, F. W. Stehr, C. M. Yoshimoto, L. Knutson, J. Sternburg
Publikováno v:
Bulletin of the Entomological Society of America. 23:93-98
Autor:
T. R. Pfrimmer
Publikováno v:
Journal of Economic Entomology. 72:593-598
When chemical and microbial insecticides were evaluated in replicated small-plot field tests on cotton at Stoneville, MS, in 1975-77, differences in control of Heliothis spp. and resultant yields reflected the infestation pressure. With heavy infesta
Autor:
T. R. Pfrimmer
Publikováno v:
Journal of Economic Entomology. 59:1113-1118
Systemic insecticides were evaluated for effect on insect control, plant stand, and early fruiting of cotton in field tests at Stoneville, Mississippi, in 1965. A granular formulation of Union Carbide UC-21149 [2-mcthyl-2-(methylthio) propionaldehyde
Publikováno v:
Journal of Economic Entomology. 64:475-478
When experimental insecticides were evaluated for control of boll weevils, Anthonomus grandis Boheman; bollworms, Heliothis zea (Boddie); and tobacco budworms, H. virescens (F.), on cotton in field-plot tests at Stoneville, Miss. in 1969, CIBA C-9491
Autor:
T. R. Pfrimmer
Publikováno v:
Journal of Economic Entomology. 61:1607-1612
Systemic insecticides were evaluated for effect on insect control, plant stand, early fruiting, and yield of cotton in 1966 and 1967. Granular formulations of disulfoton, phorate, Allied Chemical GC-6506 (dimethyl p -(methylthio) phenyl phosphate), H
Publikováno v:
Journal of Economic Entomology. 53:711-714
In experiments at Stoneville, Mississippi, in 1957 and 1958 a Guthion-DDT mixture gave outstanding control of the boll weevil ( Anthonomus grandis Bah.). Sevin® (1-naphthyl methylearbamate), toxaphene-malathion, dieapthon, Bayer 29493 ( O,O -dimethy
Autor:
M. E. Merkl, T. R. Pfrimmer
Publikováno v:
Journal of Economic Entomology. 55:121-124
Good control of thrips ( Frankliniella spp.) was obtained with dimethoate, Di-Syston® ( O,O -diethyl S -[2-(ethylthio)ethyl] phosphorodithioate), and phorate granules applied in the furrow with the seed, and sprays of Shell SD-3562 (2-dimethylcarham
Autor:
E. A. Stadelbacher, T. R. Pfrimmer
Publikováno v:
Journal of Economic Entomology. 65:1230-1234
Only nondiapausing pupae developed from late 5th instars of Heliothis zea (Boddie) collected on or before August 22 from cars of corn and held in field-emergence cages in 1966-67, 1967-68, and 1969-70; both nondiapausing and diapausing pupae develope