Search Results - "Bethke, J. A."

Curative and Preventive Control of Aceria aloinis (Aceria: Eriophyidae) in Southern California by Villavicencio, L. E., Bethke, J. A., Dahlke, B., Mey, B. Vander, Corkidi, L.

“…The aloe mite, Aceria aloinis Keifer, causes physiological and morphological alterations in species of Aloe L. We conducted three trials to evaluate the…”
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Transmission of Xylella fastidiosa to Oleander by the Glassywinged Sharpshooter, Homalodisca coagulata by Costa, H.S, Blua, M.S, Bethke, J.A, Redak, R.A

“…Studies were conducted to investigate the transmission of the oleander leaf scorch (OLS) pathogen to oleander ( Nerium oleander L.) plants by sharpshooters…”
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Effect of Selected Insecticides on Homalodisca coagulata (Homoptera: Cicadellidae) and Transmission of Oleander Leaf Scorch in a Greenhouse Study by Bethke, James A., Blua, Matthew J., Redak, Richard A.

“…Homalodisca coagulata (Say) is a recent introduction to California. It is known to spread a strain of the bacterium Xylella fastidiosa Wells, Raju, Hung,…”
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Melon aphid performance on chrysanthemum as mediated by cultivar, and differential levels of fertilization and irrigation by Bethke, J.A. (California Univ., Riverside, CA (USA). Dept. of Entomology), Redak, R.A, Schuch, U.K

“…Population parameters of the melon aphid, Aphis gossypii Glover, were compared for insects grown on six cultivars of chrysanthemum, Dendranthema grandiflora…”
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Effect of imidacloprid on the silverleaf whitefly, Bemisia argentifolii Bellows and Perring (Homoptera: Aleyrodidae), and whitefly parasitism by BETHKE, J. A, REDAK, R. A

“…Bioassays were conducted under greenhouse conditions to determine the effect of imidacloprid on adult and nymphal stages of the silverleaf whitefly, Bemisia…”
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Temperature and moisture effects on the success of egg hatch in Trirhabda geminata (Coleoptera: Chrysomelidae) by Bethke, J.A. (University of California, Riverside, CA.), Redak, R.A

“…Eggs of Trirhabda geminata (Horn) were subjected to several constant temperatures (15, 22, 25, and 30 degree C) and moisture (wet or dry for varying lengths of…”
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Seasonal occurrence of the herbivore Trirhabda geminata (Coleoptera: Chrysomelidae) on Encelia farinosa in southern California by Bethke, J.A. (University of California, Riverside, CA.), Redak, R.A

“…The seasonal distribution of Trirhabda geminata Horn, the dominant herbivore of brittle brush, Encelia farinosa Gray, was monitored in California coastal sage…”
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CONTROL OF ADULT SHARPSHOOTERS ON Poinsettia UNDER GREENHOUSE CONDITIONS, SUMMER 2000 by Bethke, J. A., Redak, R. A.

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CONTROL OF SERPENTINE LEAFMINER ON CHRYSANTHEMUM UNDER GREENHOUSE CONDITIONS, FALL 2000 by Bethke, J. A., Redak, R. A.

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CONTROL OF CITRUS MEALYBUG ON CHRYSANTHEMUM UNDER GREENHOUSE CONDITIONS, SUMMER 1999 by Bethke, J. A., Redak, R. A.

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CONTROL OF SERPENTINE LEAFMINER ON CHRYSANTHEMUM UNDER GREENHOUSE CONDITIONS, FALL 1999 by Bethke, J. A., Redak, R. A.

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CONTROL OF MELON APHIDS AND WESTERN FLOWER THRIPS ON IMPATIENS UNDER GREENHOUSE CONDITIONS, SUMMER 1998 by Bethke, J. A., Redak, R. A.

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CONTROL OF BROWN GARDEN SNAIL ON CHRYSANTHEMUM UNDER LATHHOUSE CONDITIONS, SUMMER 1998 by Bethke, J. A., Redak, R. A.

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CONTROL OF CITRUS MEALYBUG ON OLEANDER UNDER GREENHOUSE CONDITIONS, SPRING 1998 by Bethke, J. A., Redak, R. A.

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CONTROL OF LEAFMINER ON GERBERA UNDER GREENHOUSE CONDITIONS, SPRING 1998 by Bethke, J. A., Redak, R. A.

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CONTROL OF MELON APHID AND CITRUS MEALYBUG ON CHRYSANTHEMUM UNDER GREENHOUSE CONDITIONS, FALL 1998 by Bethke, J. A., Redak, R. A.

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Control of Brown Soft Scale on Ficus Under Greenhouse Conditions, Winter 1997 by Redak, R. A., Bethke, J. A.

“…Abstract Ficus cuttings were rooted in 15-cm pots and allowed one yr growth (40-50 cm tall) before use. The plants were fertilized with Osmocote (14-14-14)…”
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Topical and Residual Assays of Selected Pesticides Against the Silverleaf Whitefly, Winter 1997 by Bethke, J. A., Redak, R. A.

“…Abstract Two trials were conducted for testing the efficacy of selected pesticides against the silverleaf whitefly. A residual assay was performed in the…”
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Control of Silverleaf Whitefly on Poinsettia Under Greenhouse Conditions, Fall 1996 by Redak, R. A., Bethke, J. A.

“…Abstract Poinsettias, obtained as rooted cuttings, were planted in 15 cm pots and allowed 12 wk growth (30-40 cm tall) before use. The plants were fertilized…”
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Control of Spider Mites on Oleander Under Greenhouse Conditions, Fall 1996 by Redak, R. A., Bethke, J. A.

“…Abstract Oleander cuttings were rooted in 15 cm pots and allowed 8 wk growth (25-30 cm tall) before use. The plants were fertilized once with Osmocote…”
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