منابع مشابه
Stiffness gradients in vascular bundles of the palm Washingtonia robusta.
Palms can grow at sites exposed to high winds experiencing large dynamic wind and gust loads. Their stems represent a system of stiff fibrous elements embedded in the soft parenchymatous tissue. The proper design of the interface of the stiffening elements and the parenchyma is crucial for the functioning of the stem. The strategy of the palm to compromise between stiff fibre caps and the soft ...
متن کاملEvolution of alcohol dehydrogenase genes in the palm and grass families.
The alcohol dehydrogenase (Adh; alcohol:NAD+ oxidoreductase, EC 1.1.1.1) gene family has two or three loci in a broad array of angiosperm species. The relative stability in the number of Adh loci led Gottlieb [Gottlieb, L. D. (1982) Science 216, 373-380] to propose that the Adh gene family arose from an ancient gene duplication. In this study, the isolation of three loci from the California fan...
متن کاملMolecular genetic analysis of two native desert palm genera, Washingtonia and Brahea, from the Baja California Peninsula and Guadalupe Island
The complex geological and ecological processes that have generated high levels of biodiversity and endemism in the Baja California Peninsula have been the subject of intensive study. However, relatively little is known about phylogeography of the iconic endemic palm species of this region. We therefore analyzed a total of 2,294 bp of chloroplast and 738 bp of nuclear sequence data in 169 sampl...
متن کاملThe effects of mulching on establishment of Syagrus romanzof®ana (Cham.) Becc., Washingtonia robusta H. Wendl. and Archontophoenix cunninghamiana (H. Wendl.) H. Wendl. & Drude in the landscape
Three palm species common to southern California landscapes were grown and established under mulch treatments. Turfgrass clippings and Eucalyptus sideroxylon mulches increased the growth of king and queen palms and increased survival of king palms. Although palms growing under fresh eucalyptus mulches did not display nutrient de®ciency symptoms, Mexican fan palm and queen palm were not signi®ca...
متن کاملFusarium Decline of Queen Palms and Mexican Fan Palms in Florida July 2007 Update
For those of you familiar with previous updates, you might recall the title was “New Disease of Queen Palms (Syagrus romanzoffiana) in the South Florida Landscape.” The change in the title reflects additional information obtained since the last update prepared in May 2006. This document is a summary of information regarding this new disease. If you only want to know the “bottom line,” please fa...
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ژورنال
عنوان ژورنال: EDIS
سال: 2013
ISSN: 2576-0009
DOI: 10.32473/edis-st670-2013