Search Results - "Robb, K. L."

Field Trials Measuring the Effects of Ultraviolet-Absorbing Greenhouse Plastic Films on Insect Populations by Costa, H. S, Robb, K. L, Wilen, C. A

“…Field studies were conducted to compare insect population levels in greenhouse crops covered with plastics that block the transmission of UV light in two…”
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Effects of ultraviolet-absorbing greenhouse plastic films on flight behavior of Bemisia argentifolii (Homoptera : Aleyrodidae) and Frankliniella occidentalis (Thysanoptera : Thripidae) by COSTA, H. S, ROBB, K. L

“…Several clear polyethylene film products, developed specifically for greenhouse use, have high UV-absorbing abilities, while allowing high transmission of…”
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Increased Persistence of Beauveria bassiana Spore Viability Under High Ultraviolet-blocking Greenhouse Plastic by Costa, H.S, Robb, K.L, Wilen, C.A

“…A field study was conducted to assess the effect of various commercially available polyethylene plastic greenhouse coverings on the persistence of viable…”
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Parasitoid wasp controls blue gum psyllid by D Dahlsten, D Rowney, W Copper, R Tassan, W Chaney, K Robb, S Tjosvold, M Bianchi, P Lane

“…The blue gum psyllid was first discovered in North America in Monterey County in January 1991. Since then it has quickly spread throughout the California…”
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Field Trials Measuring the Effects of Ultraviolet-Absorbing Greenhouse Plastic Films on Insect Populations by Costa, H S, Robb, K L, Wilen, CA

“…Field studies were conducted to compare insect population levels in greenhouse crops covered with plastics that block the transmission of UV light in two…”
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Evaluation of hot pink traps to monitor pests on ornamental crops by Robb, KL, Newman, J, Costa, HS, Parker, S

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Ultraviolet-blocking greenhouse plastic films for management of insect pests by COSTA, Heather S, NEWMAN, Julie, ROBB, Karen L

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Efficacy of Insecticides on Black Cutworm in Bentgrass, Fall, California, 1984 by Robb, K. L., Parrella, M. P.

“…The putting green test site was divided into three 350-sq-ft sections. Pretreatment counts were taken by randomly choosing 15 square-foot plots in each…”
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Dursban Phytotoxicity Evaluations on Geranium, California, Spring, 1984 by Robb, K. L., Parrella, M. P.

“…Phytotoxicity trials on bedding plants, Santa Barbara County, Calif., evaluated the effects of 1X , 2x and4x rates of Dursban 50W (1X = 0.5 lb AI/100 gal)…”
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Phytotoxicity on Carnation with Fmc 54800, California, 1984 by Robb, K. L., Parrella, M. P.

“…Two formulations of FMC 54800, 2E and 10WP, were evaluated for phytotoxicity on carnation. Seven weekly applications of FMC 54800, at IX, 2X and 4X the…”
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Phytotoxicity Trials on Potted Chrysanthemum Plants, California, 1984 by Robb, K. L., Parrella, M. P.

“…Phytotoxicity trials on potted chrysanthemum plants, C. morifolium, var. Spirit, var. Circus, var. Jade, var. Radiant, San Diego County, Calif, evaluated the…”
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Trigard Phytotoxicity Evaluations, California, Spring, 1984 by Robb, K. L., Parrella, M. P.

“…Phytotoxicity trials on bedding plants, Santa Barbara County, Calif., evaluated the effects of 1 x , 2 x , and 4 x rates of Trigard (1X =0.125 lb Al/acre)…”
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Control of Leafminer Larvae in Chrysanthemums Using Trigard and a Thermal Fogger, Calif., 1983 by Robb, K. L., Parrella, M. P.

“…Ten standardized potted chrysanthemum plants, containing known numbers of second-instar leafminer larvae, were placed among chrysanthemums being grown for cut…”
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Phytotoxicity Trials on Foliage Plants, California, 1983 by Robb, K. L., Parrella, M. P.

“…Phytotoxicity trials on foliage plants, Los Angeles Co., Calif., evaluated the effects of nine insecticides on 10 species of plants. A 2.25-gpm Arimitsu piston…”
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Control of Leafminer Larvae in Chrysanthemums, Calif., 1983 by Robb, K. L., Parrella, M. P.

“…Three insecticides were evaluated for efficacy against third-stage leafminer larvae in chrysanthemums. Standardized three-leaved potted mum plants were exposed…”
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Control of Leafminer Larvae in Chrysanthemum, Calif., 1983 by Robb, K. L., Parrella, M. P.

“…Five insecticides were evaluated for efficacy against newly eclosed and third-stage larvae in chrysanthemums. Standardized three-leaved potted mum plants were…”
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Greenhouse Cut Chrysanthemum Phytotoxicity Evaluations with Trigard, California, 1983 by Robb, K. L., Parrella, M. P.

“…Eleven weekly applications of Trigard 75WP, at IX, 2X, and 4X the recommended rate of 0.125 lb (AD/acre, were made to commercially grown chrysanthemums located…”
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Potted Chrysanthemum Phytotoxicity Evaluations with Trigard, California, 1983 by Robb, K. L., Parrella, M. P.

“…Thirteen weekly applications were made to commercially grown potted chrysanthemum plants located in Encinitas, Calif., beginning 21 May. Trigard 75WP was…”
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Field-Grown Cut Chyrsanthemum Phytotoxicity Evaluations with Trigard, California, 1983 by Robb, K. L., Parrella, M. P.

“…Thirteen weekly applications of Trigard 75WP, at IX, 2X, and 4X the recommended rate of 0.125 lb (AI)/acre were made to chrysanthemums grown commercially…”
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Phytotoxicity Evaluations on Container-Grown Azaleas, California, 1983 by Robb, K. L., Parrella, M. P.

“…Phytotoxicity evaluations were made on plants grown and maintained by a cooperating grower in Montebello, Calif. The test was replicated three times with fifty…”
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