Results 241 to 250 of about 13,490 (263)
Flea Beetle Control in Canola, 1985 [PDF]
Insecticide and Acaricide Tests, 1987 Abstract Plots were located near Humboldt, MN in Kittson County. Plots were 25 ft × 50 ft, replicated 3 times and arranged in a randomized complete block design. Granular insecticide was applied to each plot shortly after planting and incorporated lightly. Soils were clayey. Foliar applications were made when plants were in the cotyledon
Curtis Nygaard, David M. Noetzel
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The seasonal activity of flea beetles in Bulgaria [PDF]
Journal of Pest Science, 2009 Using allyl-isothiocyanate-baited traps, we recorded six species of flea beetles in cabbage and horseradish crops in the region of Sofia, Bulgaria in 2006 and 2007. The most abundant species in the traps was Ph. cruciferae (92–96%) followed by Ph. vittula, Ph. undulata and Ph. nigripes.
Miklós Tóth +3 more
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Insecticides to Control Wireworms, Systena Flea Beetles and Sweet Potato Flea Beetles, 1977
Insecticide and Acaricide Tests, 1979Abstract ‘Julian’ sweet potato sprouts were transplanted Jun 6 in 3 ft rows with 12-inch spacing. Treatment plots were replicated 3 times and arranged in a randomized complete block design. Each plot consisted of 5 rows, 25 ft long with a single untreated row adjacent to each treatment plot. The soil type was a sassafras fine sandy loam.
John Francis +2 more
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Suppression of Flea Beetles in Canola, 1992
Insecticide and Acaricide Tests, 1993Abstract Canola plots were established at the MSU Hort Farm in Bozeman, MT. Two tests measuring 10 x 30 ft, were planted on 3 Jun. Insecticides were applied on 18 Jun with a CO2-powered backpack sprayer calibrated to deliver 10.5 gal/acre at 20 psi.
M. E. McLendon, G. D. Johnson
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Jumping of flea beetles onto inclined platforms
Journal of Comparative Physiology A, 2022The flea beetle, Altica cirsicola, escapes predators by jumping and landing in a dense maze of leaves. How do they land on such varied surfaces? In this experimental study, we filmed the take-off, flight, and landing of flea beetles on a configurable angled platform. We report three in-flight behaviors: winged, wingless, and an intermediate winged mode.
Zong, Le +6 more
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Flea Beetle and Sawfly Control, 1988
Insecticide and Acaricide Tests, 1989Abstract Materials were applied on 23 May to 23- by 23-ft plots in a crop-year lowbush blueberry field at Gray, Maine. A second application of Dylox (8 oz) and M-one (both rates) was made on 2 Jun. There were 3 replications in a randomized complete block design with 10-ft untreated buffer strips around each plot.
J. A. Collins, H. Y. Forsythe
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Flea Beetle Control in Canola, 1989
Insecticide and Acaricide Tests, 1992Abstract On 8 May, a cooperative trial with Sigco Research was established in Pennington county near St. Hilaire, MN. Plot size were six 38.1 cm rows, 6.10 m in length, planted with a cone type 6-row planter. The trial was arranged in a randomized complete block design, replicated 4 times.
Davi. Noetzel, Hecto. Roman
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Ballistics and Visual Targeting in Flea-Beetles (Alticinae)
Journal of Experimental Biology, 1995ABSTRACT The kinematics of jumping was measured in seven species of flea-beetle (Alticinae). The accuracy of two species during targeted jumping was also investigated. Take-off accelerations ranged from 15 to 270 times gravity. Rotational energy accounted for 4–21 % of the total translational energy. Two species were able to control jump
J Brackenbury, R Wang
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Potato Flea-Beetles in Washington
1932Topics Include Area Where Damage Occurs, Nature of Injury to Tubers, Injury to Foliage, Life History, Small Fields Most Damaged, Planting Dates, and Insecticide ...
Webster, R. +2 more
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Insecticide and Acaricide Tests, 1978
Abstract ‘Julian’ sweet potato sprouts were transplanted June 2 in 3-ft rows with 12-inch spacing. Treatment plots were replicated 3 times and arranged in a randomized complete bl ock design. Each plot consisted of five 25-ft-long rows with 2 untreated rows adjacent to each plot. The soil type was a sassafras fine sandy loam.
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Abstract ‘Julian’ sweet potato sprouts were transplanted June 2 in 3-ft rows with 12-inch spacing. Treatment plots were replicated 3 times and arranged in a randomized complete bl ock design. Each plot consisted of five 25-ft-long rows with 2 untreated rows adjacent to each plot. The soil type was a sassafras fine sandy loam.
openaire +2 more sources