Search Results - "Gruppe, A"

Short rotation plantations of aspen and balsam poplar on former arable land in Germany: defoliating insects and leaf constituents by Gruppe, A, Fußeder, M, Schopf, R

“…Damage by herbivorous insects to fast-growing clones of aspen ( Populus tremula × P. tremuloides, clone Astria) and balsam poplars ( Populus trichocarpa, clone…”
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Aphidophagous insect communities in tree crowns of the neophyte Douglas-fir [Pseudotsuga menziesii (Mirb.) Franco] and Norway spruce (Picea abies L.) by Gossner, M, Gruppe, A, Simon, U

“…:  Number of specimens and species as well as structure of aphidophagous communities in tree crowns of Douglas‐fir (Pseudotsuga menziesii) and Norway spruce…”
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The implementation of Natura 2000 in forests: A trans- and interdisciplinary assessment of challenges and choices by Winkel, Georg, Blondet, Marieke, Borrass, Lars, Frei, Theresa, Geitzenauer, Maria, Gruppe, Axel, Jump, Alistair, de Koning, Jessica, Sotirov, Metodi, Weiss, Gerhard, Winter, Susanne, Turnhout, Esther

“…•This paper analyses the implementation of Natura 2000 in forests.•An inter- and transdisciplinary approach is used.•Five important challenges and five…”
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Observation of a Peak Structure in Positron Spectra from U+Cm Collisions by Schweppe, J., Gruppe, A., Bethge, K., Bokemeyer, H., Cowan, T., Folger, H., Greenberg, J. S., Grein, H., Ito, S., Schule, R., Schwalm, D., Stiebing, K. E., Trautmann, N., Vincent, P., Waldschmidt, M.

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Anomalous positron peaks from supercritical collision systems by Cowan, T, Backe, H, Begemann, M, Bethge, K, Bokemeyer, H, Folger, H, Greenberg, JS, Grein, H, Gruppe, A, Kido, Y, Klüver, M, Schwalm, D, Schweppe, J, Stiebing, KE, Trautmann, N, Vincent, P

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Hymenopteran specificity of Bacillus thuringiensis strain PS86Q3 by Porcar, Manuel, Gómez, Francesc, Gruppe, Axel, Gómez-Pajuelo, Antonio, Segura, Inmaculada, Schröder, Roland

“…The biological activity of Bacillus thuringiensis (Bt) strain PS86Q3 against five Hymenopteran species was determined by means of bioassays adapted to each…”
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The effect of ants on development and dispersal of Myzus cerasi F. (Hom., Aphididae) on cherry trees by Gruppe, A. (Giessen Univ. (Germany). Inst. fuer Phytopathologie und Angewandte Zoologie)

“…The Black Cherry Aphid Myzus cerasi F. lives in trophobiosis with different ant species. The association is not obligatory, thus there are also unattended…”
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On the resistance of cherry hybrids to the black cherry aphid, Myzus cerasi F by Gruppe, A. (Giessen Univ. (Germany). Inst. fuer Phytopathologie und Angewandte Zoologie)

“…In a field study, the infestation of cherry hybrids by Myzus cerasi F. was investigated during 4 years. The maximum infestation is judged as a parameter for…”
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Mode of action of Bacillus thuringiensis PS86Q3 strain in hymenopteran forest pests by Garcia-Robles, Inmaculada, Sánchez, Jorge, Gruppe, Axel, Martı́nez-Ramı́rez, Amparo Consuelo, Rausell, Carolina, Real, Marı́a Dolores, Bravo, Alejandra

“…The mode of action of Cry toxins has been described principally in lepidopteran insects as a multistep process. In this work we describe the mode of action of…”
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Short rotation plantations of aspen and balsam poplar on former arable land in Germany : defoliating insects and leaf constituents: Short Rotation Forestry in Central and Northern Europe by GRUPPE, A, FUSSEDER, M, SCHOPF, R

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Beobachtungen zur Entwicklung der Frühjahrspopulationen vonMetopolophium dirhodum (Wlk.) auf dem Winterwirt by Gruppe, A.

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Untersuchungen zur Resistenz von Kirsch-Hybriden gegenüber der Schwarzen Kirschenblattlaus Myzus cerasi F. / On the resistance of cherry hybrids to the black cherry aphid, Myzus cerasi F by Gruppe, A.

“…In einer Freilanduntersuchung wurde bei Kirschhybriden der Befall durch die Blattlaus Myzus cerasi F. in 4 aufeinanderfolgenden Jahren bonitiert. Der maximale…”
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Untersuchungen zur Bedeutung von Ameisen für die Entwicklung und Ausbreitung der Schwarzen Kirschenblattlaus Myzus cerasi F. (HOM., APHIDIDAE) / The effect of ants on development and dispersal of Myzus cerasi F. (Hom., Aphididae) on cherry trees by Gruppe, A.

“…Die Schwarze Kirschenblattlaus Myzus cerasi F. lebt mit verschiedenen Ameisenarten in Trophobiose. Die Assoziation ist nicht obligatorisch, so daß auch…”
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