Tag: "oak" at biology news
Iowa State University botanists identify new species of North American bamboo
...d in non-alluvial swamps, moist pine barrens, live oak
woods and along sandy margins of streams. "Most people have no idea that we have native bamboo in the U.S.," Clark said. "But it has been a very important plant ecologically. And there's recent interest in using it for re-vegetation projects becau...
Post oak grasshoppers emerging
...r wants to know if you've seen them hanging out in oak
trees or on your house. They're post oak
grasshoppers, and Behmer, a Texas Agricultural Experiment Station entomologist, wants to research th...
Genome info from 'plant destroyers' could save trees, beans and chocolate
...ar. Phytophthora ramorum is associated with sudden oak
death, a disease that has devastated the nursery industry and oak
ecosystems in California, Oregon and Washington.More than 1 million native oak
and tanoak trees have...
Researchers barcode DNA of Venice museum's vast fungi collection
...ted States. The pathogen is responsible for sudden oak
death, the disease that has caused widespread dieback of tanoaks and coast live oaks in California and southwest Oregon. "In the case of exotic plant diseases, DNA information may be used, as it is in criminal forensics, to identify possible culpr...
Ground spider diversity studied in research project
.... A variety of sites ?including upland woods, post oak
woodlands and an area disturbed by a high level of human activity ?were chosen. The collected samples are being identified and placed in the Texas A&M Insect Collection, department of entomology. Dr. Marvin Harris, Texas Agricultural Experime...
Virginia Bioinformatics Institutes launches microbial database
...enome sequences. P. ramorum, also known as sudden oak
death, is a serious fungal pathogen that has attacked and killed tens of thousands of oak
trees in California and Oregon; P. sojae, the sister pathogen of P. ramorum, causes serious damage t...
Why Christmas trees are not extinct
...e is 59 times lower in a Christmas tree than in an oak
tree." Flowering trees have longer, more efficient conduits, but less efficient valves. Evolution Produces Two Ways to Water a Tree Sperry says conifers and flowering trees evolved with "two solutions to the same problem." Conifers, which aro...
'Acid rain' and forest mass: Another perspective
... radiata pine forests (the first stage) and in two oak
woods (the second). To this end, weekly samples of rain, transcolation (fraction of the precipitation that passes through the forest canopy), and litterfall (vegetable material fallen from trees: leaves, twigs, fruit, and so on), the first 25 cm of ...
Shade trees getting 'scorched' by plant disease
...et gum, sycamore and London plane, and a number of oak
species. The disease has been found in landscapes,...e disease is often overlooked or misdiagnosed. On oak
trees, BLS symptoms include scorching in late summer or early fall on leaves of all ages at about th...
Researchers find gene that may be at root of potato blight
...cause root rot in soybean plants as well as sudden oak
death, which is devastating stands of oak
trees along California 's coast and is present in at least three other states. Kamoun conducted the...
Biodiversity hotspots identify conservation priorities
... 4,000 are endemics), about a third of the world's oak
and pine tree species, and over 1,500 vertebrate species (including 134 endemic species). Among many charismatic flagship species in the region is the volcano rabbit or zacatuche (Romerolagus diazi), one of the world's smallest rabbits, which is foun...