Virginia Tech scientists say that there has been a change in the status of the fungus causing Asian Soybean Rust but that the new information is still too preliminary for any action on the part of the Commonwealths soybean producers.
A single cluster of six urediniospores found at Virginia Techs Tidewater Agricultural Research and Extension Center in Suffolk was identified by morphological characteristics as matching the description of the fungus.
"The spores in question appear to resemble the causal agent of Asian Soybean Rust, Phakopsora pachyrhizi, said Erik Stromberg, interim head of the Department of Plant Pathology, Physiology and Weed Science in Virginia Techs College of Agriculture and Life Sciences. "But we can not be absolutely certain that they are. The weather conditions between Aug. 5 and 11, the time the sample was found, were extremely hot and dry and not conducive for promoting the infection process. Researchers found no indication of Asian Soybean Rust when they examined the adjacent sentinel plots and other nearby fields. At this time, no recommendation for fungicide is warranted in Virginia. It is highly unlikely that Asian Soybean Rust will be detected in any soybeans in Virginia for at least three weeks."
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
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In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
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