نتایج جستجو برای: ornamental
تعداد نتایج: 5559 فیلتر نتایج به سال:
PREMISE OF THE STUDY We developed microsatellites from Fothergilla ×intermedia to establish loci capable of distinguishing species and cultivars, and to assess genetic diversity for use by ornamental breeders and to transfer within Hamamelidaceae. METHODS AND RESULTS We sequenced a small insert genomic library enriched for microsatellites to develop 12 polymorphic microsatellite loci. The num...
The major markets for ornamental fish are the Far East, the United States of America and the European Union (EU). Although the Far East is the principal source of both supply and demand for ornamental species, there is considerable movement of fish between these three areas. The author makes a detailed appraisal of the sources of supply and the destination for imports into EU Member States. Som...
This article presents mathematical tools for computer-generated ornamental patterns, with a particular attention payed to Islamic patterns. The article shows how, starting from a photo or a sketch of an ornamental figure, the designer analyzes its structure and produces the analytical representation of the pattern. This analytical representation in turn is used to produce a drawing which is int...
This paper used an electronic survey conducted in Texas to study the main factors affecting the frequency of purchase, measured in transactions per month, for ornamental plants. While we found several differences in demographic characteristics of respondents, the two major factors impacting the frequency of buying for ornamental plants were the purpose of the purchase (self use vs. gifts) and s...
Viruses of the genus Megalocytivirus have not been detected in wild populations of fish in Australia but circulate in imported ornamental fish. In 2012, detection of a megalocytivirus in healthy platys Xiphophorus maculatus was reported from a farm in Australia during surveillance testing as part of a research project undertaken at the University of Sydney. Confirmatory testing of the original ...
Sequence variation in the melanocortin-1 receptor (MC1R) gene explains color morph variation in several species of birds and mammals. Ruffs (Philomachus pugnax) exhibit major dark/light color differences in melanin-based male breeding plumage which is closely associated with alternative reproductive behavior. A previous study identified a microsatellite marker (Ppu020) near the MC1R locus assoc...
Beijing Key Laboratory of Development and Quality Control of Ornamental Crops, Department of Ornamental Horticulture, China Agricultural University, Beijing 100193, PR China (L.W., N.M., Y.J., Y.Z., M.F., J.G.); Crops Pathology and Genetic Research Unit, United States Department of Agriculture Agricultural Research Service, Davis, California 95616 (C.-Z.J.); and Department of Plant Sciences, Un...
abstract soil contamination by heavy metals is yet one of the most important environmental concerns. among heavy metals, nickel and cadmium have dangerous influences on human, animals and plants. the objective of this study was to derive a new model for simultaneous phytoextraction of ni and cd from contaminated soils. consequently, a macroscopic model was derived by combining yield reduction f...
Six commonly freshwater ornamental fish, namely Poecilia rediculata (guppy); Poecilia sphenops (black molly); Cichlosoma sp. (Cichlidae); Xiphophorus maculatus (platy); Carassius auratus (goldfish) and Symphisodon discus (discus) were examined for parasites during a four years study (19982002) in Turkey. The parasites species found included: Ichthyobodo sp., Ichthyophthirius multifiliis, Chilod...
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