Results 181 to 190 of about 10,589 (211)
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Insecticide and Acaricide Tests, 1990
Abstract Insecticides were applied to 7-yr-old trees in Douglas, MI on 11 Jul at a rate of 300 gal/acre with an FMC 1029 handgun sprayer. Treatments were arranged in a completely randomized design of single trees replicated 4 times. Difolitan, Captec, Bayleton, and Baycor were applied separately to all treatments.
James W. Johnson, David Biddinger
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Abstract Insecticides were applied to 7-yr-old trees in Douglas, MI on 11 Jul at a rate of 300 gal/acre with an FMC 1029 handgun sprayer. Treatments were arranged in a completely randomized design of single trees replicated 4 times. Difolitan, Captec, Bayleton, and Baycor were applied separately to all treatments.
James W. Johnson, David Biddinger
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Insecticide and Acaricide Tests, 1989
Abstract ‘PMR 45’ cantaloupes, planted 12 May at the Arkansas Valley Research Center, Rocky Ford, Colo., were used in the study. Plots were 2 beds (60-inch spacing), 24 ft long, arranged in a randomized complete block design with 4 replications.
Whitney S. Cranshaw, Frank Schweissing
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Abstract ‘PMR 45’ cantaloupes, planted 12 May at the Arkansas Valley Research Center, Rocky Ford, Colo., were used in the study. Plots were 2 beds (60-inch spacing), 24 ft long, arranged in a randomized complete block design with 4 replications.
Whitney S. Cranshaw, Frank Schweissing
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Annals of the Entomological Society of America, 1926
The members of the family Cicadellidae are commonly regarded as herbivorous since they are thought to depend entirely on plant juices for their food. It has been known for some time, however, that they will bite man. Riley and Johannsen, for example, mention Platymetopius acutus (Say) and Empoasca mali (LeB.) in this connection.
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The members of the family Cicadellidae are commonly regarded as herbivorous since they are thought to depend entirely on plant juices for their food. It has been known for some time, however, that they will bite man. Riley and Johannsen, for example, mention Platymetopius acutus (Say) and Empoasca mali (LeB.) in this connection.
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Potato Leafhopper Control, 1981
Insecticide and Acaricide Tests, 1982Abstract The test was planted Jun 15 on the Cal Waterman farm near Batavia, NY. Each treatment consisted of two 30-ft rows bordered on each side by 2 untreated rows replicated 4 times in a Latin square design. Sidedress applications (2 inches to the side and 2 inches deep) using a hand-pushed cone seeder were made on Jun 29 (primary leaf
P. S. Robbins +2 more
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2014
Describes leaf hoppers, their distribution, damage to host plants, and methods of control.
Day, Eric R., Spring, Alexandra
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Describes leaf hoppers, their distribution, damage to host plants, and methods of control.
Day, Eric R., Spring, Alexandra
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The Canadian Entomologist, 1934
During the past few years it has been possible to collect leafhoppers in many parts of Utah. Because of the abundance of many of the species and the fact that so many feed upon range forage plants, it seems to the writer that the injury due to range leafhoppers in the Rocky Mountain West has been greatly underestimated.
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During the past few years it has been possible to collect leafhoppers in many parts of Utah. Because of the abundance of many of the species and the fact that so many feed upon range forage plants, it seems to the writer that the injury due to range leafhoppers in the Rocky Mountain West has been greatly underestimated.
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1941
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
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Potato Leafhopper Control, 1990
Insecticide and Acaricide Tests, 1991Abstract Two tests were conducted at the Pennsylvania Agriculture Experiment Station farm at Rock Springs, Centre County, Pa. Experiment A was conducted on the second alfalfa cutting and experiment B was conducted on the third alfalfa cutting. Forty × 40 ft plots were arranged in a randomized complete block design with an untreated check
Arthur A. Hower, Sand. Alexander
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Potato Leafhopper Control, 1989
Insecticide and Acaricide Tests, 1990Abstract A 1-yr-old stand of'WL 316' alfalfa at the Ohio Agricultural Research and Development Center, Wooster, was used for this study. Treatments were applied 17 Jul using a tractor mounted hydraulic sprayer calibrated to deliver 20 gal/acre at 32 psi using 8002 Teejet flat-fan nozzles.
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