Search Results - "Yokomi, R.K"

A Survey of Parasitoids of Brown Citrus Aphid (Homoptera: Aphididae) in Puerto Rico by Yokomi, R.K., Tang, Y.Q.

“…The brown citrus aphidToxoptera citricida(Kirkaldy) (Homoptera: Aphididae) is a pest of citrus and an efficient vector of citrus tristeza virus. Reproducing…”
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Rapid Differentiation and Identification of Potential Severe Strains of Citrus tristeza virus by Real-Time Reverse Transcription-Polymerase Chain Reaction Assays by Yokomi, R.K, Saponari, M, Sieburth, P.J

“…A multiplex Taqman-based real-time reverse transcription (RT) polymerase chain reaction (PCR) assay was developed to identify potential severe strains of…”
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Molecular analysis among MCA13-reactive isolates reveals a rapid strategy for assessment of Citrus tristeza virus severity by Yokomi, R.K, Saponari, M, Vidalakis, G

“…Citrus tristeza virus (CTV) usually occurs as a complex of strains that vary greatly in severity and aphid transmissibility. A rapid assay, therefore, is…”
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Genetic Diversity of Spiroplasma citri Strains from Different Regions, Hosts, and Isolation Dates by Mello, A.F.S, Yokomi, R.K, Melcher, U, Chen, J.C, Wayadande, A.C, Fletcher, J

“…Spiroplasma citri, a phloem-limited pathogen, causes citrus stubborn disease (CSD). Losses due to CSD in California orchards have grown over the past decade…”
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MOLECULAR ANALYSIS AMONG MCA13-REACTIVE ISOLATES REVEALS A RAPID STRATEGY FOR ASSESSMENT OF CITRUS TRISTEZA VIRUS SEVERITY by Yokomi, R.K., Saponari, M., Vidalakis, G.

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Transmission of Different Isolates of Spiroplasma citri to Carrot and Citrus by Circulifer tenellus (Hemiptera: Cicadellidae) by Mello, A.F.S, Wayadande, A. C, Yokomi, R. K, Fletcher, J

“…Carrot purple leaf disease was first reported in 2006 in the state of Washington and was associated with Spiroplasma citri. The disease also was reported in…”
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EFFECT OF CITRUS STUBBORN DISEASE ON NAVEL ORANGE PRODUCTION IN A COMMERCIAL ORCHARD IN CALIFORNIA by Mello, A.F.S., Yokomi, R.K., Payton, M.E., Fletcher, J.

“…The impact of citrus stubborn disease (CSD), caused by Spiroplasma citri, on commercially cultivated citrus is not fully understood or quantified. Our…”
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Effect of parasitism by Aphelinus spiraecolae (Hymenoptera: Aphelinidae) on development and reproduction of spirea aphid (Homoptera: Aphididae) by Tang, Y.Q. (Fujian Agricultural University, Fuzhou, People's Republic of China.), Yokomi, R.K

“…The effect of parasitism by Aphelinus spiraecolae Evans and Schauff on development, survival, reproduction, and population growth of different life stages of…”
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Cytology and physiology of silverleaf whitefly-induced squash silverleaf by Jiménez, D.R., Yokomi, R.K., Mayer, R.T., Shapiro, J.P.

“…Squash silverleaf is a disorder of certain cultivars of Cucurbita which results from feeding by the silverleaf whitefly, Bemisia argentifolii (formerly,…”
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Biology of Aphelinus spiraecolae (Hymenoptera: Aphelinidae), a parasitoid of the spirea aphid (Homoptera: Aphididae) by Tang, Y.Q. (Fujian Agricultural University, Fuzhou, Fujian, People's Republic of China.), Yokomi, R.K

“…The biology of nonindigenous Aphelinus spiraecolae Evans and Schauff on spirea aphid, Aphis spiraecola Patch, was investigated in Florida. Reproduction,…”
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Possible involvement of altered gibberellin metabolism in the induction of tomato irregular ripening in dwarf cherry tomato by silverleaf whitefly by Hanif-Khan, S, Bullock, R.C, Stoffella, P.J, Powell, C.A, Brecht, J.K, McAuslane, H.J, Yokomi, R.K

“…External and internal tomato irregular ripening (TIR) symptoms were associated with the feeding of silverleaf whitefly (SLW), Bemisia argentifolii Bellows and…”
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Relationships between the sweetpotato whitefly and the squash silverleaf disorder by Yokomi, R. K.

“…Squash silverleaf (SSL), a newly recognized disorder of many squash varieties in Florida, is of unknown etiology. Extracts from SSL-affected tissue did not…”
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A preliminary report of reduced infection by Spiroplasma citri and virescence in whitewash-treated periwinkle [Abstract only] by Yokomi R.K, Bar Joseph M, Oldfield G.N, Gumpf D.J

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Foliage disorders in Florida associated with feeding by sweetpotato whitefly, Bemisia tabaci by Hoelmer, K.A. (USDA, ARS, U.S. Horticultural Research Laboratory, Orlando, FL), Osborne, L.S, Yokomi, R.K

“…Sweetpotato whitefly, Bemisia tabaci (Gennadius), has been present in Florida for many years but until recently has not been regarded as a serious pest…”
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