نتایج جستجو برای: olia
تعداد نتایج: 44 فیلتر نتایج به سال:
Qualitative and quantitative features are reported for stem wood of 13 collections of 12 species of the Hawaiian genus Dubautia. Although the species share a basic wood plan, quantitative expressions range widely, especially with respect to vessel element dimensions, vessel density, vessel grouping, length of libriform fibers, and dimensions of multiseriate rays. Ecology and habit explain most ...
Centre and purified using the appropriate Synsorbs (Chembiomed Ltd., Alberta, Canada). Monoclonal anti-A was isolated in the M.R.C. Human Biochemical Genetics Unit. In one experiment lactase from two individuals of different blood group (A and 0) was purified by immunoaffinity chromatography as described in Potter et al. (1985). Using the A blood-group specific antibodies and the lectin from He...
A micropropagation protocol using shoot cultures is described for Lindera meli$sifolia, a federally listed endangered shrub endemic to the southeastern United States. Stock plants were harvested from native L. melissifolia populations growing in the lower Mississippi Alluvial Valley. In vitro proliferation was on woody plant medium supplemented with 1 prvz zeatin. After 6 weeks, zeatin level wa...
On December 23-25, 1998, a major ice storm struck southeastern Virginia The storm-deposited glaze ice felled trees and limbs, causing a power outage and highway blockage. Between Februmy and April, 1999, we recorded occurrence, severity, and type of damage to trees over 2.5 cm dbh in nine mostly gently sloping plots in Matoaka Woods at the College of William and Macy. Frequency and severity of ...
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