Results 191 to 200 of about 14,165 (228)
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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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Idioscopus nagpurensis (mango leafhopper).
2021Abstract Mango leafhoppers are major pests in the Indian subcontinent. The major damage is caused at the flowering stage and several studies have highlighted the reduction of yield which may be between 20 and 100% depending on population size. Verghese and Rao (1987) examined the critical infestation stages of the related species I.
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Potato Leafhopper Control, 1984
Insecticide and Acaricide Tests, 1985Abstract Tests were conducted at the Milton Hershey School farm (field Dairy 29) at Hershey, PA. 40 X 40-ft plots were arranged in a randomized complete block design with 2 untreated checks in each ol the 4 replications. Potato leafliopper densities were estimated from 20 pendulum sweep samples taken randomly across each plot with a 15 ...
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Diversity of symbiotic microbiota in Deltocephalinae leafhoppers (Insecta, Hemiptera, Cicadellidae)
Arthropod Structure and Development, 2018Michał Kobiałka +2 more
exaly