Πλοήγηση ανά Συγγραφέα "Tsitsipis, J. A."
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First record of the grapevine aphid Aphis illinoisensis in the island of Kriti, Greece
Tsitsipis, J. A.; Angelakis, E.; Margaritopoulos, J. T.; Tsamandani, K.; Zarpas, K. D. (2005)The grapevine aphid Aphis illinoisensis was recently recorded in several areas on grapevine in the island of Kriti in Greece. It was found in Greece less than three years after the first record of the aphid outside the ... -
Genetic variation among Mediterranean populations of Sesamia nonagrioides (Lepidoptera : Noctuidae) as revealed by RFLP mtDNA analysis
Margaritopoulos, J. T.; Gotosopoulos, B.; Mamuris, Z.; Skouras, P. J.; Voudouris, K. C.; Bacandritsos, N.; Fantinou, A. A.; Tsitsipis, J. A. (2007)Restriction fragment length polymorphism analysis of two segments of mitochondrial DNA (COI and 16S rRNA) was used to examine genetic variation in Sesamia nonagrioides (Lefebvre) populations from the Mediterranean basin. ... -
Genetic variation in Myzus persicae populations associated with host-plant and life cycle category
Zitoudi, K.; Margaritopoulos, J. T.; Mamuris, Z.; Tsitsipis, J. A. (2001)Random amplified polymorphic DNA (RAPD) analysis was applied on 96 clones of Myzus persicae (Sulzer) (Homoptera: Aphididae) representing seven populations collected from different host-plants and regions of Greece. Ten ... -
Genetic variation of Marchalina hellenica (Hemiptera: Margarodidae) sampled from different hosts and localities in Greece
Margaritopoulos, J. T.; Bacandritsos, N.; Pekas, A. N.; Stamatis, C.; Mamuris, Z.; Tsitsipis, J. A. (2003)Random amplified polymorphic DNA (RAPD) analysis was applied to 120 individuals of Marchalina hellenica (Gennadius) representing six populations collected in northern, central and southern mainland Greece. One population ... -
The grapevine aphid, Aphis illinoisensis: thermal requirements for development and its performance on six grapevine cultivars
Moraiti, C. A.; Margaritopoulos, J. T.; Zarpas, K. D.; Tsitsipis, J. A. (2012)The grapevine aphid, Aphis illinoisensis (Shimer), has invaded various regions in the Mediterranean basin. The aim of this study was to determine the thermal requirements for aphid development and to assess its performance ... -
Host selection by winged colonisers within the Myzus persicae group: A contribution towards understanding host specialisation
Margaritopoulos, J. T.; Tsourapas, C.; Tzortzi, M.; Kanavaki, O. M.; Tsitsipis, J. A. (2005)1. Myzus persicae sensu lato demonstrates considerable genetic variation in respect to adaptation to host plants. The subspecies M. persicae nicotianae shows a preference for tobacco, while M. persicae sensu stricto (s. ... -
Host-correlated morphological variation of Myzus persicae (Hemiptera : Aphididae) populations in Greece
Margaritopoulos, J. T.; Tsitsipis, J. A.; Zintzaras, E.; Blackman, R. L. (2000)Morphological variation in nine characters of 157 clones of Myzus persicae (Sulzer) was examined by multivariate analysis. The clones were collected from peach, Prunus persica, the primary host and the secondary hosts ... -
Insecticide resistance status of Myzus persicae (Hemiptera : Aphididae) populations from peach and tobacco in mainland Greece
Margaritopoulos, J. T.; Skouras, P. J.; Nikolaidou, P.; Manolikaki, J.; Maritsa, K.; Tsamandani, K.; Kanavaki, O. M.; Bacandritsos, N.; Zarpas, K. D.; Tsitsipis, J. A. (2007)The susceptibility of 88 and 38 field samples of Myzus persicae (Sulzer) to imidacloprid and deltamethrin respectively was examined using the FAO dip test bioassay. The field samples were collected from tobacco and peach ... -
Insecticide resistance status of the codling moth Cydia pomonella (Lepidoptera: Tortricidae) from Greece
Voudouris, C. C.; Sauphanor, B.; Franck, P.; Reyes, M.; Mamuris, Z.; Tsitsipis, J. A.; Vontas, J.; Margaritopoulos, J. T. (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 ... -
An interval timer controls the production of sexual morphs in Myzus persicae (Homoptera : Aphididae)
Margaritopoulos, J. T.; Tsitsipis, J. A.; Prophetou-Athanasiadou, D. A. (2002)The interval timer mechanism was examined in two clones of Myzus persicae (Sulzer) originating from peach in Naousa, North Greece. Overwintering eggs were collected in April 1997 and after egg hatch the morphs of progeny ... -
Life cycle variation of Myzus persicae (Hemiptera : Aphididae) in Greece
Margaritopoulos, J. T.; Tsitsipis, J. A.; Goudoudaki, S.; Blackman, R. L. (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 ... -
Life histories of generalist predatory species, control agents of the Cotton aphid Aphis gossypii (Hemiptera: Aphididae)
Zarpas, K. D.; Margaritopoulos, J. T.; Tsitsipis, J. A. (2007)Biological traits of two populations of each of the predators Coccinella septempunctata Linnaeus 1758, Hippodamia convergens Guérin- Méneville 1842 (Coleoptera: Coccinellidae) and Chrysoperla carnea sl (Neuroptera: ... -
A modified method for the detection of differentially expressed mRNAs without using radioactivity
Margaritopoulos, J. T.; Kouretas, D.; Tsitsipis, J. A. (2001)We present here a modification of the original differential display approach using a single oligo(dT) primer for the reverse transcription reaction (instead of the various oligo(dT)NM primers that subdivide the pool of ... -
Molecular Analysis of the Coat Protein of Potato virus Y Isolates in Greece Suggests Multiple Introduction from Different Genetic Pools
Margaritopoulos, J. T.; Dovas, C. I.; Gounaris, J.; Skouras, P. J.; Kanavaki, O. M.; Katis, N. I.; Tsitsipis, J. A. (2010)The phylogenetic relationships among Potato virus Y (PVY) isolates from northern and southern Greece were investigated. A large part of coat protein gene of 49 tobacco isolates and three from pepper was examined. The ... -
Morphological discrimination of Aphis gossypii (Hemiptera : Aphididae) populations feeding on Compositae
Margaritopoulos, J. T.; Tzortzi, M.; Zarpas, K. D.; Tsitsipis, J. A.; Blackman, R. L. (2006)Aphis gossypii Glover is a polyphagous aphid pest with a worldwide distribution. However, there is evidence that on a global scale the name A. gossypii is being applied to a number of forms with different life cycles and/or ... -
Morphological separation of host adapted taxa within the Hyalopterus pruni complex (Hemiptera: Aphididae)
Poulios, K. D.; Margaritopoulos, J. T.; Tsitsipis, J. A. (2007)Morphometric variation of individuals in field collected samples of the Hyalopterus pruni complex from various Prunus species and regions of Greece was examined, to determine whether this variation is correlated with the ... -
Organic farming-compatible insecticides against the aphid Myzus persicae (Sulzer) in peach orchards
Karagounis, C.; Kourdoumbalos, A. K.; Margaritopoulos, J. T.; Nanos, G. D.; Tsitsipis, J. A. (2006)Three products allowed in organic farming (kaolin, mineral oil and insecticidal soap) as alternatives to chemical insecticides, were evaluated for the control of Myzus persicae (Sulzer) in a peach orchard. Their efficacy ... -
Performance of cotton aphid Aphis gossypii (Hemiptera : Aphididae) lineages on cotton varieties
Zarpas, K. D.; Margaritopoulos, J. T.; Stathi, L.; Tsitsipis, J. A. (2006)The performance of three clonal lineages of Aphis gossypii Glover originating from central Greece was studied on six commercial cotton cultivars that differ with respect to leaf pubescence traits (Zeta-2, Zeta-5, Eva, ... -
Performance of Myzus persicae (Hemiptera : Aphididae) clones on different host-plants and their host preference
Nikolakakis, N. N.; Margaritopoulos, J. T.; Tsitsipis, J. A. (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
Goundoudaki, S.; Tsitsipis, J. A.; Margaritopoulos, J. T.; Zarpas, K. D.; Divanidis, S. (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 ...