Auflistung Nach Schlagwort "POPULATIONS"
Anzeige der Dokumente 21-40 von 45
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Genetic diversity and insecticide resistance during the growing season in the green peach aphid (Hemiptera: Aphididae) on primary and secondary hosts: a farm-scale study in Central Chile
(2014)The seasonal dynamics of neutral genetic diversity and the insecticide resistance mechanisms of insect pests at the farm scale are still poorly documented. Here this was addressed in the green peach aphid Myzus persicae ... -
Genetic evidence for introgression between domestic pigs and wild boars (Sus scrofa) in Belgium and Luxembourg: a comparative approach with multiple marker systems
(2013)Hybridization between wild species and their domestic relatives can be an important conservation and management problem. Genetic purity of the wild species is desirable per se and the phenomenon can have unpredictable ... -
Genetic evidence for survival of released captive-bred brown hares Lepus europaeus during restocking operations in Greece
(2007)To prevent the decline of the brown hare Lepus europaeus, especially as a result of hunting pressure, restocking programmes, using hares from elsewhere, were carried out in Greece up to 2001. Using diagnostic RFLP mitochondrial ... -
Geographical variation in adult life-history traits of the European cherry fruit fly, Rhagoletis cerasi (Diptera: Tephritidae)
(2012)To understand the evolution of local adaptation, the interplay between natural selection and gene flow should be considered. Rhagoletis cerasi L. (Diptera: Tephritidae) is a patchily distributed, stenophagous species of ... -
Helminth burden in stray cats from Thessaloniki, Greece
(2014)To get an overview on the prevalence of intestinal helminths, between 2010 and 2012, fecal samples from 215 stray cats from area of Thessaloniki, Greece, were tested by coprological methods. From the total number of fecal ... -
High rates of obesity prevalence in adults living in Central Greece: Data from the ARGOS Study
(2010)OBJECTIVE: To investigate the prevalence of obesity in adults of a large region of Central Greece. DESIGN: The target group was adults aged 18 to 79 years who were residents of the region of Thessaly for at least one year. ... -
Host-related morphological variation within Myzus persicae group (Homoptera : Aphididae) from Japan
(2007)There have been independent long-term studies of tobacco-adapted populations of Myzus persicae in Japan and Greece, but until now no direct comparisons have been made between them. In Japan, as in Greece, tobacco aphids ... -
Impact of Fungicides on the Diversity and Function of Non-target Ammonia-Oxidizing Microorganisms Residing in a Litter Soil Cover
(2012)Litter soil cover constitutes an important micro-ecosystem in sustainable viticulture having a key role in nutrient cycling and serving as a habitat of complex microbial communities. Ammonia-oxidizing bacteria (AOB) and ... -
Insecticide resistance status of the codling moth Cydia pomonella (Lepidoptera: Tortricidae) from Greece
(2011)The codling moth Cydia pomonella L is controlled mostly with chemical insecticides in Greece and control failures have been reported. However, there are no insecticide resistance studies in the country as yet. We examined ... -
Interrelationship among and repeatability of seven stability indices estimated from commercial cotton (Gossypium hirsutum L.) variety evaluation trials in three Mediterranean countries
(2008)Multi-environment trial data are required, to obtain variety stability performance parameters as selection tools for effective cultivar evaluation. The interrelationship among seven stability parameters and their association ... -
Intraspecific genetic variation of striped red mullet (Mullus surmuletus L.) in the Mediterranean Sea assessed by allozyme and random amplified polymorphic DNA (RAPD) analysis
(1999)Allozyme analysis on 20 putative enzyme-coding loci and RAPD analysis on 154 markers, amplified by eight decamer random primers, were used to assess the genetic variation of striped red mullet, Mullus surmuletus L., collected ... -
Isozyme, protein, and RAPD markers within a half-sib family of buffelgrass segregating for apospory
(1996)Isolation of genes controlling apomixis would be useful to plant breeders for fixing hybrid vigor. A single gene codes for aposporous apomixis in buffelgrass [Pennisetum ciliare (L.) Link]. This study was undertaken to ... -
Landraces versus commercial common bean cultivars under organic growing conditions: A comparative study based on agronomic performance and physicochemical traits
(2007)This study targeted to assess the yield components and physicochemical traits of eight common bean landraces versus four commercial cultivars widely grown in Greece. The genotypes were cultivated for two growing seasons ... -
Life cycle variation of Myzus persicae (Hemiptera : Aphididae) in Greece
(2002)During the years 1995-1999 the life cycle category of 2797 clones of Myzus persicae (Sulzer) was examined. The clones originated from primary and secondary hosts from different localities of North and Central Greece and ... -
Molecular epidemiology and evolutionary dynamics of Echovirus 3 serotype
(2015)Echovirus 3 (E3) serotype has been related with several neurologic diseases, although it constitutes one of the rarely isolated serotypes, with no report of epidemics in Europe. The aim of the present study was to provide ... -
Performance of Myzus persicae (Hemiptera : Aphididae) clones on different host-plants and their host preference
(2003)The performance of eighteen clones of Myzus persicae (Sulzer) on pepper and tobacco plants at 20degreesC and L16:D8 and the choice of young adult apterae between tobacco and pepper leaf-discs were examined. The clones were ... -
Performance of the tobacco aphid Myzus persicae (Hemiptera : Aphididae) on Oriental and Virginia tobacco varieties
(2003)1 The life parameters of one red and one green clone of Myzus persicae reared on 11 Oriental tobacco type varieties (KP7, K63, KZ10/z, MA13/b, BX2/a, N34/4, KP14/a, Kolindros, S79, TA21 and BX81) and on five Virginia ones ... -
Phylogeography of the brown hare (Lepus europaeus) in Europe: a legacy of south-eastern Mediterranean refugia?
(2009)We analysed the population genetics of the brown hare (Lepus europaeus) in order to test the hypothesis that this species migrated into central Europe from a number of late glacial refugia, including some in Asia Minor. ... -
Physicochemical and sensory analysis of dry bean landraces in conjunction with multivariate analysis: an exploratory approach
(2007)Five landraces of Greek common dry bean (Phaseolus vulgaris L.), were analysed for thirteen physico-chemical and eighteen sensory variables. Brightness, acceptance, odour and hardness were the most important sensory variables ... -
Ranking and classification of fishing areas using fuzzy models and techniques
(2010)P>Fuzzy-logic-based methods and fuzzy logic formalism have been demonstrated as appropriate to address the uncertainty and subjectivity in complex environmental problems. This study investigates the use of three fuzzy logic ...