Tag: "oak" at biology news
Rabbit and cow graze together
...ining the extent of shrub cover and whether or not oak
seedlings can grow in this. If there are few rabbi...over can develop in an area grazed by cows and the oak
seedlings can root in the shrubs because the shrubs protect the seedlings from the cows. If there ar...
Save The Tiger Fund announces alliance with the Critical Ecosystem Partnership Fund
... forests of Sumatra and Indochina to the temperate oak
forest of the Amur River Valley in the Russian Far East. "Save The Tiger Fund has a proud 10-year history focused on the conservation of wild tigers through solid science, improved habitat protection, enhanced capability of local leadership and com...
Ornamental palms vulnerable to disease
...re similar to that of a corn plant than that of an oak
tree, with each stem having a single bud or heart. Once that tissue is damaged, death is likely. "Palms cannot repair injuries to their stems, and diligent effort must be made to prevent injuries that create opportunities for insect or pathogen invas...
Chestnut trees to spread across landscape again, says Purdue scientist
...her forest species - black walnut and northern red oak
- in the same plantation over an eight-year period. On average, the chestnut trees in the plantation grew to 6.4 meters in height, while black walnuts and northern red oaks only grew to 4.4 and 3.6 meters, respectively, in the same time period....
Earth, sky tapped in unique global climate change study
...ive umbrellas to shelter 80 plots of juniper, post oak
and little bluestem grass. But while the awnings p...ecies are predominant in the 7.4 million-acre post oak
savannah region from south central Texas through eastern Oklahoma. A change in rainfall and/or tempe...
Birds use herbs to protect their nests
...cluding usnic acid, ascorbic acid, yarrow, and two oak
species inhibited the growth of a number of harmful bacteria. "If the fresh herbs have a sufficient concentration of these chemicals, they could protect the nestlings from harmful bacteria," says Ichida. "By practicing medical botany, parent birds e...
Virginia Bioinformatics Institute researcher advances fight against sudden oak death disease
... finding a cure for a disease affecting California oak
trees that is now showing up in nurseries in a doz...tophtora ramorum. P. ramorum, also known as sudden oak
death, is a serious fungal pathogen that has attacked and killed tens of thousands of California and...
JGI, VBI help unravel sudden oak death & soybean disease
...gh. Symptoms vary depending on the host. Infected oak
trees exhibit bleeding cankers on the trunk, and o... in effect serving as the Rosetta Stone for sudden oak
death. "The genome sequence of P. ramorum will help researchers to track the spread of S...
DFG presents the 2004 MAK and BAT value lists
...ixteen chemicals, including the aromatic compounds oak
moss, geraniol and lyral, the enzyme papain, the substances bronopol and 5-ethyl-3,7-dioxa-1-azabicyclo[3.3.0]octane (EDAO), which are used as preservatives and biocides, as well as hard metal dust containing tungsten carbide or cobalt. A total of 21...
Plumbing trees' plumbing reveals their engineering skill
...pecies -- a juniper, an evergreen oak, a deciduous oak
and the deciduous gum bumelia, which is also known as the chittamwood. "The evergreen oak
we studied is the dominant oak
on the Edwards Plateau," said Jackson. "Because it needs a lot of wat...
University of Arizona licenses patent for natural fungicide
...e. Zoosporic plant pathogens also cause the sudden oak
death affecting oak
trees in California and Europe. In the spring of 2004, Jeneil obtained U.S. Environmental Protection...
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