Zobrazeno 1 - 10
of 13
pro vyhledávání: '"T. J. Gibb"'
Publikováno v:
Environmental Entomology. 36:287-296
Autor:
T. J. Gibb, Randall A. Giggins
Publikováno v:
Journal of Economic Entomology. 84:1562-1576
Insecticide-modified levels of western corn root worm, Diabrotfca vtrgifera vtrgifera LeConte, larval feeding, manually applied preautotrophic (seedling stage) defoliation, and auto trophic (four-leaf stage) defoliation were evaluated for their indep
Publikováno v:
Journal of Economic Entomology. 84:650-655
Five stem-removal methods were compared for usefulness in recovering alfalfa weevil, Hypera posttca (Gyllenhal), larvae during shake-bucket sampling of alfalfa, Medicago sativa L. Fate of larvae residing on the stem was partitioned into those not cou
Publikováno v:
Environmental entomology. 36(2)
As part of a program to minimize the accidental transportation of Japanese beetles (Popillia japonica) through cargo aircraft to areas where they are not established, a 4-yr trapping project was initiated to study the relative distribution and dynami
Autor:
W. G. Buhler, T. J. Gibb
Publikováno v:
Insecticide and Acaricide Tests. 18:305-306
Tests were conducted at the Purdue University Agronomy Research Center, W. Lafayette, IN. All treatments were applied to a 4 ft2 area, replicated five times in RCB design. Dispersible form were applied through a sprinkling can in one gal of water. Gr
Publikováno v:
Insecticide and Acaricide Tests. 11:232-233
Naturally infested silking stage yellow field corn was treated twice (19 Jul and 29 Jul ‘85). Eighteen insecticides and 2 untreated plots were arranged in a randomized complete block design with 4 replications. All plots were composed of 4 adjacent
Publikováno v:
Insecticide and Acaricide Tests. 11:343-344
Naturally infested early-pod stage (R4) soybean plants were treated on 26 Aug. Insecticides control were applied to plots arranged in a randomized complete block design with 4 replications. All plots consisted of 4 adjacent rows 7.5 m long with 76-cm
Publikováno v:
Insecticide and Acaricide Tests. 11:208-209
Naturally infested pre-bud stage alfalfa (12 inches tall) was treated on Apr 20 ’85. Thirteen insecticides and 2 untreated control plots were arranged in a randomized complete block design with 4 replications. All plots measured 6 by 9 m. Sprays we
Publikováno v:
Insecticide and Acaricide Tests. 12:166-167
Naturally infested pre-bud stage alfalfa (13 inches tall) was treated on 11 Apr. Thirteen insecticides and 2 untreated control plots were arranged in a randomized complete block design with 4 replications. All plots measured 6 by 9 m. Sprays were app
Autor:
Randall A. Higgins, T. J. Gibb
Publikováno v:
Insecticide and Acaricide Tests. 10:199-199
Fifty-six plots of dryland corn, each 4 rows wide by 40 ft (30-inch spacing), were established. The 14 treatments (granules and sprays) were replicated 4 times in a randomized block design on 25 Jun. Granular products were applied as a 9-inch over th