Akif Eskalen

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The University of California prohibits discrimination or harassment of any person on the basis of race, color, national origin, religion, sex, gender identity, pregnancy (including childbirth, and medical conditions related to pregnancy or childbirth), physical or mental disability, medical condition (cancer-related or genetic characteristics), ancestry,(More)
Several species of the ambrosia beetle Euwallacea (Coleoptera: Curculionidae: Scolytinae) cultivate Ambrosia Fusarium Clade (AFC) species in their galleries as a source of food. Like all other scolytine beetles in the tribe Xyleborini, Euwallacea are thought to be obligate mutualists with their fungal symbionts. Published diversification-time estimates(More)
Fig. 1. Samples of gummosis and branch canker caused by Botryosphaeria collected from three different locations. T he occurrence of branch or trunk cankers on citrus caused by members of the Botryosphaeriaceae is known as Dothiorella gummosis due to the gum or sap that may exude from the canker. Symptoms include grayish to brown discoloration on the bark,(More)
americana, and some other species, a white, sometimes crusty ring or halo of sugary exudate surrounds the entry/exit hole (Figs. 6). Scraping the bark down to the wood behind the entry/exit hole reveals brown necrotic tissue (Fig. 7). Staining may be found beneath the outermost layers of sapwood to a depth of up to 1.5 to 2 inches. So far the disease has(More)
We were also accompanied by Extension Agents, Ryan Atwood and Linda Seals. Orlando is toward the southern edge of the infestation of this disease that started in Georgia and spread into South Carolina and northern Florida. As of February it had spread down the Atlantic coast to as close as 100 miles from Miami. The insect was first noticed at the Savannah,(More)
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