Results 201 to 210 of about 2,567 (236)
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Allergie a Panonychus ulmi (Koch)
Revue Française d'Allergologie et d'Immunologie Clinique, 1977Resume Des manifestations respiratoires, oculaires et dermatologiques de type allergique enregistrees chez des pomiculteurs durant des saisons estivales particulierement chaudes et seches ont incite a invoquer la responsabilite d'un acarien parasite du pommier, Panonychus ulmi (Koch) . Les donnees cliniques (atteinte des parties du corps accessibles
J.C. Marty +6 more
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Panonychus ulmi . [Distribution map].
Distribution Maps of Plant Pests, 2005Abstract A new distribution map is provided for Panonychus ulmi (Koch) ( Metatetranychus pilosus [Panonychus ulmi] (C. & F.)) (Acarina, Tetranychidae) (European or Fruit Tree Red Spider Mite). Host Plants: Deciduous fruit and forest trees. Information is given on the
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Systematic and Applied Acarology, 2021
The European red mite, Panonychus ulmi (Acari: Tetranychidae) is an important pest species on deciduous plants in Turkey, especially on apple. In this study, development, survival, and reproduction of European red mite, P. ulmi were studied on different host plants under laboratory conditions (25±2 °C,% 60±10 RH and16:8 L:D photoperiod).
Ismail Kasap, Remzi Atlihan
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The European red mite, Panonychus ulmi (Acari: Tetranychidae) is an important pest species on deciduous plants in Turkey, especially on apple. In this study, development, survival, and reproduction of European red mite, P. ulmi were studied on different host plants under laboratory conditions (25±2 °C,% 60±10 RH and16:8 L:D photoperiod).
Ismail Kasap, Remzi Atlihan
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Techniques and Methods Used in Studies of Resistance to Panonychus ulmi in Apple Varieties
International Journal of Tropical Insect Science, 1985Distinct differences in Panonychus ulmi population densities on various apple cultivars have been observed under natural field infestations. Various laboratory techniques may be used to determine the differences in susceptibility or resistance to P. ulmi of different apple cultivars. The lowest variation in P.
B. Bielak, Z. T. Dabrowski
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Effects of Gibberellin on Nutrition of the Mites, Tetranychus telarius and Panonychus ulmi
Journal of Economic Entomology, 1961Dwarf Horticultural beans and Delta Pine cotton grown in artificial culture in the greenhouse were treated with gibberellin at the rates of 1, 2 and 3 micrograms per plant. Close apple trees grown in semi-field conditions were sprayed with an emulsifiable concentrate of gibberellin at 7- to 10-day intervals during the season at the rates of 10, 50, 100,
J. G. Rodriguez, Milton J. Campbell
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Experimental and Applied Acarology, 2020
The European red mite, Panonychus ulmi (Koch), is one of the most important apple orchard pests worldwide. Fenpyroximate, a mitochondrial electron transport inhibitor of complex I (METI-I), is a commonly used acaricide to control this pest. In this study, we determined fenpyroximate resistance levels for 11 P.
Razieh Yaghoobi +5 more
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The European red mite, Panonychus ulmi (Koch), is one of the most important apple orchard pests worldwide. Fenpyroximate, a mitochondrial electron transport inhibitor of complex I (METI-I), is a commonly used acaricide to control this pest. In this study, we determined fenpyroximate resistance levels for 11 P.
Razieh Yaghoobi +5 more
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SOME ASPECTS OF SEX IN THE EUROPEAN RED MITE, PANONYCHUS ULMI
The Canadian Entomologist, 1970AbstractThe proportion of females of the European red mite, Panonychus ulmi (Koch), reared from periodic samples of larvae and nymphs from a peach orchard averaged about 75% with little seasonal variation. A male can copulate at least 11 times in 2 hr, and inseminate at least 26 females during its life span, but many later copulations inseminate the ...
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Crop Protection, 2004
Abstract Two laboratory experiments using a leaf-dip technique evaluated the effect of two detergents, Quix and Nobla, on Panonychus ulmi and P . citri . Fenazaquin 0.01% a.i. was used on P . ulmi as a standard. Mortality increased with higher concentrations in both mite species. In addition, detergent treatments also dislodged P .
Jaime E. Araya, Tomislav Curkovic
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Abstract Two laboratory experiments using a leaf-dip technique evaluated the effect of two detergents, Quix and Nobla, on Panonychus ulmi and P . citri . Fenazaquin 0.01% a.i. was used on P . ulmi as a standard. Mortality increased with higher concentrations in both mite species. In addition, detergent treatments also dislodged P .
Jaime E. Araya, Tomislav Curkovic
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IL PANONYCHUS ULMI (KOCH) NEI VIGNETI DELL'ETNA
2016Entomologica, Vol 3 (1967)
Alfio Nucifora, Renato Inserra
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Some observations on diapause in winter eggs of Panonychus ulmi (Koch) (Tetranychidae)
1991Some observations are presented on factors influencing winter-egg laying density in autumn, and environmental requirements to break diapause of winter eggs in the European red mite, Panonychus ulmi (Koch), on apple. In our field trial, the presence of phytoseiid mites in the autumn had a decisive influence on the winter-egg density.
Francisco Ferragut +3 more
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