Browsing by Author "6805cc70-f0a6-4e1f-9f8a-c6a4b6ee7b8d"
Now showing items 81-90 of 90
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Villagra, Cristian A.; Pennacchio, Francesco; Niemeyer, Hermann M. (2007)The relevance of the integration of preimaginal and eclosion experiences on the subsequent habitat preferences and mate finding by the adult has been rarely tested in holometabolous insects. In this work, the effect of ...
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Ramírez, Claudio C.; Niemeyer, Hermann M. (2000)It was hypothesized that (1) previous experience of aphids on a host plant leads to differences in their feeding behavior relative to aphids without previous experience on it and that (2) a change in the physiological state ...
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Argandoña, Víctor H.; Corcuera, Luis J.; Niemeyer, Hermann M.; CAMPBELL, BRUCE C. (1983)2,4‐Dihydroxy‐7‐methoxy‐1,4‐benzoxazin‐3‐one (DIMBOA), the main hydroxamic acid isolated from maize extracts, increased the mortality of Schizaphis graminum when fed in artificial diets. Electrically‐monitored feeding ...
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Cabezas, Nancy J.; Urzúa, Alejandro M.; Niemeyer, Hermann M. (2009)
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Andreo, Carlos S.; Orellano, Elena G.; Niemeyer, Hermann M. (1984)The indol alkaloid gramine inhibited photophosphorylation, Pi-ATP exchange reaction and proton gradient, and enhanced electron transport in spinach thylakoids with I50 around 0.2 m M.It thus behaves as a typical uncoupler ...
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Echeverría, Javier; Espinoza, Sergio M.; Niemeyer, Hermann M. (Taylor and Francis Ltd., 2017)© 2016 Informa UK Limited, trading as Taylor & Francis Group.Two unusual caprolactam alkaloids, 3-(dimethylamino)hexahydro-2H-azepin-2-one and 3-(methylamino)-hexahydro-2H-azepin-2-one, were isolated from the aerial parts ...
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Gianoli, Ernesto; Caillaud, Claudia M.; Chaubet, Bernard; Di Pietro, Jean Paul; Niemeyer, Hermann M. (Entomological Society of America, 1997)Aphid genotype has been shown to be a source of variability in the induction of phytochemical responses in wheat after aphid infestation as well as in their performance on wheat lines. Two clones of the aphid Sitobion ...
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Espinoza, Javier; Echeverría, Javier; Urzúa, Alejandro; Niemeyer, Hermann M. (2012)A new withanolid amine was isolated from Dunalia spinosa (Solanaceae). Its relative stereochemistry was determined using FT-IR, 1H and 13C NMR spectroscopies and high resolution mass spectrometry. Nicotine was also isolated; ...
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Gianoli, Ernesto; Ríos, Jenny M.; Niemeyer, Hermann M. (Birkhauser Verlag Basel, 1999)The among-leaves allocation of DIBOA, a hydroxamic acid associated with plant resistance, in the shoot of rye (Secale cereale) was evaluated over the vegetative development of the plant. The appropriateness of using the ...
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Aguilera-Olivares, Daniel; Palma-Onetto, Valeria; Flores-Prado, Luis; Zapata, Víctor; Niemeyer, Hermann M. (Blackwell Publishing Ltd, 2017)© 2017 The Netherlands Entomological Society Investment in soldier production in eusocial lineages involves a trade-off between maintenance costs and defense benefits. Termites are eusocial insects that live in colonies ...