Search Results - "Koike, Steven"

Practical Benefits of Knowing the Enemy: Modern Molecular Tools for Diagnosing the Etiology of Bacterial Diseases and Understanding the Taxonomy and Diversity of Plant-Pathogenic Bacteria by Bull, Carolee T, Koike, Steven T

“…Knowing the identity of bacterial plant pathogens is essential to strategic and sustainable disease management in agricultural systems. This knowledge is…”
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Development of Molecular Methods to Detect Macrophomina phaseolina from Strawberry Plants and Soil by Burkhardt, Alyssa, Ramon, Marina L, Smith, Brett, Koike, Steven T, Martin, Frank

“…Macrophomina phaseolina is a broad-host-range fungus that shows some degree of host preference on strawberry, and causes symptoms that include crown rot and…”
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Measurements of Aerial Spore Load by qPCR Facilitates Lettuce Downy Mildew Risk Advisement by Dhar, Nikhilesh, Mamo, Bullo Erena, Subbarao, Krishna V, Koike, Steven T, Fox, Alan, Anchieta, Amy, Klosterman, Steven J

“…The lettuce downy mildew pathogen, , is an obligate oomycete that causes extensive produce losses. Initial chlorotic symptoms that severely reduce the market…”
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Could Broccoli and Cauliflower Influence the Dispersal Dynamics of Western Flower Thrips (Thysanoptera: Thripidae) to Lettuce in the Salinas Valley of California? by Joseph, Shimat V., Koike, Steven T.

“…The western flower thrips, Frankliniella occidentalis (Pergande) (Thysanoptera:Thripidae), is an important, worldwide vector of two tospoviruses (Family…”
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Development of an Assay for Rapid Detection and Quantification of Verticillium dahliae in Soil by BILODEAU, Guillaume J, KOIKE, Steven T, URIBE, Pedro, MARTIN, Frank N

“…ABSTRACT Verticillium dahliae is responsible for Verticillium wilt on a wide range of hosts, including strawberry, on which low soil inoculum densities can…”
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Comparative genomics of downy mildews reveals potential adaptations to biotrophy by Fletcher, Kyle, Klosterman, Steven J, Derevnina, Lida, Martin, Frank, Bertier, Lien D, Koike, Steven, Reyes-Chin-Wo, Sebastian, Mou, Beiquan, Michelmore, Richard

“…Spinach downy mildew caused by the oomycete Peronospora effusa is a significant burden on the expanding spinach production industry, especially for organic…”
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Conditions at the time of inoculation influence survival of attenuated Escherichia coli O157:H7 on field-inoculated lettuce by Moyne, Anne-laure, Blessington, Tyann, Williams, Thomas R., Koike, Steven T., Cahn, Michael D., Marco, Maria L., Harris, Linda J.

“…The impact of plant development, environmental conditions at the time of inoculation, and inoculum concentration on survival of attenuated BSL1 Escherichia…”
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Transcriptional analyses of differential cultivars during resistant and susceptible interactions with Peronospora effusa, the causal agent of spinach downy mildew by Kandel, Shyam L., Hulse-Kemp, Amanda M., Stoffel, Kevin, Koike, Steven T., Shi, Ainong, Mou, Beiquan, Van Deynze, Allen, Klosterman, Steven J.

“…Downy mildew of spinach is caused by the obligate oomycete pathogen, Peronospora effusa . The disease causes significant economic losses, especially in the…”
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Coupling Spore Traps and Quantitative PCR Assays for Detection of the Downy Mildew Pathogens of Spinach (Peronospora effusa) and Beet (P. schachtii) by Klosterman, Steven J, Anchieta, Amy, McRoberts, Neil, Koike, Steven T, Subbarao, Krishna V, Voglmayr, Hermann, Choi, Young-Joon, Thines, Marco, Martin, Frank N

“…Downy mildew of spinach (Spinacia oleracea), caused by Peronospora effusa, is a production constraint on production worldwide, including in California, where…”
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Fate of Escherichia coli O157:H7 in field-inoculated lettuce by Moyne, Anne-laure, Sudarshana, Mysore R., Blessington, Tyann, Koike, Steven T., Cahn, Michael D., Harris, Linda J.

“…Impact of drip and overhead sprinkler irrigation on the persistence of attenuated Escherichia coli O157:H7 in the lettuce phyllosphere was investigated using a…”
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Transfer of Escherichia coli O157:H7 from simulated wildlife scat onto romaine lettuce during foliar irrigation by Atwill, Edward R, Chase, Jennifer A, Oryang, David, Bond, Ronald F, Koike, Steven T, Cahn, Michael D, Anderson, Maren, Mokhtari, Amirhossein, Dennis, Sherri

“…A field trial in Salinas Valley, California, was conducted during July 2011 to quantify the microbial load that transfers from wildlife feces onto nearby…”
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Detection and Quantification of Bremia lactucae by Spore Trapping and Quantitative PCR by Kunjeti, Sridhara G, Anchieta, Amy, Martin, Frank N, Choi, Young-Joon, Thines, Marco, Michelmore, Richard W, Koike, Steven T, Tsuchida, Cayla, Mahaffee, Walt, Subbarao, Krishna V, Klosterman, Steven J

“…Bremia lactucae is an obligate, oomycete pathogen of lettuce that causes leaf chlorosis and necrosis and adversely affects marketability. The disease has been…”
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Multilocus Sequence Typing of Pseudomonas syringae Sensu Lato Confirms Previously Described Genomospecies and Permits Rapid Identification of P. syringae pv. coriandricola and P. syringae pv. apii Causing Bacterial Leaf Spot on Parsley by Bull, Carolee T, Clarke, Christopher R, Cai, Rongman, Vinatzer, Boris A, Jardini, Teresa M, Koike, Steven T

“…Since 2002, severe leaf spotting on parsley (Petroselinum crispum) has occurred in Monterey County, CA. Either of two different pathovars of Pseudomonas…”
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Dynamics of verticillium species microsclerotia in field soils in response to fumigation, cropping patterns, and flooding by Short, Dylan P G, Sandoya, German, Vallad, Gary E, Koike, Steven T, Xiao, Chang-Lin, Wu, Bo-Ming, Gurung, Suraj, Hayes, Ryan J, Subbarao, Krishna V

“…Verticillium dahliae is a soilborne, economically significant fungal plant pathogen that persists in the soil for up to 14 years as melanized microsclerotia…”
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Population analyses of the vascular plant pathogen Verticillium dahliae detect recombination and transcontinental gene flow by Atallah, Zahi K., Maruthachalam, Karunakaran, Toit, Lindsey du, Koike, Steven T., Michael Davis, R., Klosterman, Steven J., Hayes, Ryan J., Subbarao, Krishna V.

“…The fungal pathogen Verticillium dahliae has resulted in significant losses in numerous crops in coastal California, but lettuce remained unaffected until the…”
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A Real-Time PCR Assay for Detection and Quantification of verticillium dahliae in Spinach Seed by DURESSA, Dechassa, RAUSCHER, Gilda, KOIKE, Steven T, MOU, Beiquan, HAYES, Ryan J, MARUTHACHALAM, Karunakaran, SUBBARAO, Krishna V, KLOSTERMAN, Steven J

“…Verticillium dahliae is a soilborne fungus that causes Verticillium wilt on multiple crops in central coastal California. Although spinach crops grown in this…”
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Status of Macrophomina phaseolina on Strawberry in California and Preliminary Characterization of the Pathogen by Koike, Steven T., Arias, Renee S., Hogan, Cliff S., Martin, Frank N., Gordon, Thomas R.

“…Macrophomina crown and root rot has become a significant soil-borne disease issue in California. For many locations in the state, the disease is associated…”
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Recent Developments on Strawberry Plant Collapse Problems in California Caused by Fusarium and Macrophomina by Koike, Steven T, Gordon, Thomas R, Daugovish, Oleg, Ajwa, Husein, Bolda, Mark, Subbarao, Krishna

“…Beginning at least as early as 2005 and continuing through 2010, the California strawberry industry has suffered production losses caused by soilborne fungi…”
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Options for Management of Fusarium Wilt of Strawberry in California by Gordon, Thomas R., Daugovish, Oleg, Koike, Steven T., Islas, Christina M., Kirkpatrick, Sharon C., Yoshisato, Jenna A., Shaw, Douglas V.

“…The emergence of Fusarium wilt, caused by Fusarium oxysporum f. sp. fragariae, as a problem for strawberry production in California has been associated with…”
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Multitactic Preplant Soil Fumigation with Allyl Isothiocyanate in Cut Flowers and Strawberry by Hoffmann, Mark, Ajwa, Husein A., Westerdahl, Becky B., Koike, Steven T., Stanghellini, Mike, Wilen, Cheryl, Fennimore, Steven A.

“…Allyl isothiocyanate (AITC) is a glucosinolate produced in cruciferous plant species. AITC is known to act as a pesticide on microorganisms, insects, and…”
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