Christian Ulrichs
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Publications of Christian Ulrichs (48 listed):
Journal of Plant Diseases and Protection (2021) 128, 865-870
J. Sauer, A. Dewert, P. Hondelmann, R. Meyhöfer, M. Hommes, H. Buck, C. Ulrichs and U. Vogler (2021)
Exceeding the threshold value for Trioza apicalis Förster 1848 in carrot fields did not cause damage as revealed during monitoring in Germany from 2017–2020
Experimental and Applied Acarology (2020) 82, 243-254
Christian Ulrichs, Young Jong Han, Magdi T. Abdelhamid and Inga Mewis (2020)
Management of the poultry red mite, Dermanyssus gallinae, using silica-based acaricides
Entomologia Experimentalis et Applicata (2019) 167, 118-128
Charles Adarkwah, Daniel Obeng-Ofori, Emmanuel Opuni-Frimpong, Christian Ulrichs and Matthias Schöller (2019)
Predator-parasitoid-host interaction: biological control of Rhyzopertha dominica and Sitophilus oryzae by a combination of Xylocoris flavipes and Theocolax elegans in stored cereals
Journal of Applied Entomology (2019) 143, 1182-1192
Allan Mweke, Komivi Senyo Akutse, Christian Ulrichs, Komi Kouma Mokpokpo Fiaboe, Nguya Kalemba Maniania and Sunday Ekesi (2019)
Efficacy of aqueous and oil formulations of a specific Metarhizium anisopliae isolate against Aphis craccivora Koch, 1854 (Hemiptera: Aphididae) under field conditions
Journal of Economic Entomology (2018) 111, 1587-1594
Allan Mweke, Christian Ulrichs, Paulin Nana, Komivi Senyo Akutse, Komi Kouma Mokpokpo Fiaboe, Nguya Kalemba Maniania and Sunday Ekesi (2018)
Evaluation of the entomopathogenic fungi Metarhizium anisopliae, Beauveria bassiana and Isaria sp. for the management of Aphis craccivora (Hemiptera: Aphididdae)
Journal of Plant Diseases and Protection (2017) 124, 255-267
Charles Adarkwah, Daniel Obeng-Ofori, Christian Ulrichs and Matthias Schöller (2017)
Insecticidal efficacy of botanical food by-products against selected stored-grain beetles by the combined action with modified diatomaceous earth
International Journal of Tropical Insect Science (2017) 37, 243-258
Charles Adarkwah, Daniel Obeng-Ofori, Vanessa Hörmann, Christian Ulrichs and Matthias Schöller (2017)
Bioefficacy of enhanced diatomaceous earth and botanical powders on the mortality and progeny production of Acanthoscelides obtectus (Coleoptera: Chrysomelidae), Sitophilus granarius (Coleoptera: Dryophthoridae) and Tribolium castaneum (Coleoptera: Tenebrionidae) in stored grain cereals
Journal of Chemical Ecology (2016) 42, 748-755
Franziska Beran, Guillermo H. Jiménez-Alemán, Mei-ying Lin, Yun-Che Hsu, Inga Mewis, Ramasamy Srinivasan, Christian Ulrichs, Wilhelm Boland, Bill S. Hansson and Andreas Reinecke (2016)
The aggregation pheromone of Phyllotreta striolata (Coleoptera: Chrysomelidae) revisited
Journal of Pest Science (2016) 89, 107-116
Agnes Flore Ndomo-Moualeu, Christian Ulrichs and Cornel Adler (2016)
Behavioral responses of Callosobruchus maculatus to volatile organic compounds found in the headspace of dried green pea seeds
Gesunde Pflanzen (2015) 67, 183-190
Audrey Errard, S. Baldermann, S. Kühne, I. Mewis, J. Peterkin and C. Ulrichs (2015)
Interspecific interactions affect pests differently
Journal of Chemical Ecology (2015) 41, 1155-1162
Stefanie Schläger, Franziska Beran, Astrid T. Groot, Christian Ulrichs, Daniel Veit, Christian Paetz, Bhanu R.M. Karumuru, Ramasamy Srinivasan, Monika Schreiner and Inga Mewis (2015)
Pheromone blend analysis and cross-attraction among populations of Maruca vitrata from Asia and West Africa
Bulletin of Entomological Research (2014) 104, 534-542
C. Adarkwah, C. Ulrichs, S. Schaarschmidt, B.K. Badii, I.K. Addai, D. Obeng-Ofori and M. Schöller (2014)
Potential of Hymenopteran larval and egg parasitoids to control stored-product beetle and moth infestation in jute bags
Proceedings of the National Academy of Sciences of the United States of America (2014) 111, 7349-7354
Franziska Beran, Yannick Pauchet, Grit Kunert, Michael Reichelt, Natalie Wielsch, Heiko Vogel, Andreas Reinecke, Ales Svatos, Inga Mewis, Daniela Schmid, Srinivasan Ramasamy, Christian Ulrichs, Bill S. Hansson, Jonathan Gershenzon and David G. Heckel (2014)
Phyllotreta striolata flea beetles use host plant defense compounds to create their own glucosinolate-myrosinase system
Journal of Pest Science (2014) 87, 285-294
Benjamin K. Badii, Charles Adarkwah, Daniel Obeng-Ofori and Christian Ulrichs (2014)
Efficacy of diatomaceous earth formulations against Callosobruchus maculatus (F.) (Coleoptera: Bruchidae) in Kersting's groundnut (Macrotyloma geocarpum Harms): influence of dosage rate and relative humidity
Parasitology Research (2014) 113, 3167-3175
Johanna Schulz, Jutta Berk, Johanna Suhl, Lars Schrader, Stefan Kaufhold, Inga Mewis, Hafez Mohammed Hafez and Christian Ulrichs (2014)
Characterization, mode of action, and efficacy of twelve silica-based acaricides against poultry red mite (Dermanyssus gallinae) in vitro
Gesunde Pflanzen (2013) 65, 15-20
Vanessa Hörmann, Monika Goßmann, Carmen Büttner and Christian Ulrichs (2013)
Lignin als biologische Barriere gegen Schimmelpilze in Innenräumen
[Lignin as a biological barrier against mould fungi inside buildings]
Journal für Kulturpflanzen - Journal of Cultivated Plants (2013) 65, 118-122
Christian Ulrichs and Inga Mewis (2013)
Nanostrukturierte Silikate - Insektizide Wirkung und neue Entwicklungen
[Nanostructured silicas - Insecticidal effect and new developments]
Journal of Phytopathology (2012) 160, 106-111
Bettina Gramberg, Spiridon Kintzios, Uwe Schmidt, Inga Mewis and Christian Ulrichs (2012)
A basic approach towards the development of bioelectric bacterial biosensors for the detection of plant viruses
Chemoecology (2011) 21, 171-180
Franziska Rohr, Christian Ulrichs, Monika Schreiner, Chau Nhi Nguyen and Inga Mewis (2011)
Impact of hydroxylated and non-hydroxylated aliphatic glucosinolates in Arabidopsis thaliana crosses on plant resistance against a generalist and a specialist herbivore
Chemoecology (2011) 21, 235-242
M.A.M. Khan, Christian Ulrichs and Inga Mewis (2011)
Water stress alters aphid-induced glucosinolate response in Brassica oleracea var. italica differently
Journal of Chemical Ecology (2011) 37, 85-97
Franziska Beran, Inga Mewis, Ramasamy Srinivasan, Jirí Svoboda, Christian Vial, Hervé Mosimann, Wilhelm Boland, Carmen Büttner, Christian Ulrichs, Bill S. Hansson and Andreas Reinecke (2011)
Male Phyllotreta striolata (F.) produce an aggregation pheromone: Identification of male-specific compounds and interaction with host plant volatiles
HortScience (2010) 45, 1349-1356
Tanja Mucha-Pelzer, Reinhard Bauer, Ekkehard Scobel and Christian Ulrichs (2010)
Insecticidal effects of different application techniques for silica dusts in plant protection on Phaedon cochleariae Fab. and Pieris brassicae L.
Journal of Pest Science (2010) 83, 105-112
Md. Saiful Islam, Md. Mahbub Hasan, Chaoliang Lei, Tanja Mucha-Pelzer, Inga Mewis and Christian Ulrichs (2010)
Direct and admixture toxicity of diatomaceous earth and monoterpenoids against the storage pests Callosobruchus maculatus (F.) and Sitophilus oryzae (L.)
Entomologia Experimentalis et Applicata (2010) 137, 229-236
M.A.M. Khan, Christian Ulrichs and Inga Mewis (2010)
Influence of water stress on the glucosinolate profile of Brassica oleracea var. italica and the performance of Brevicoryne brassicae and Myzus persicae
Apidologie (2009) 40, 535-548
Sven Buchholz, Katharina Merkel, Sebastian Spiewok, Jeff S. Pettis, Michael Duncan, Robert Spooner-Hart, Christian Ulrichs, Wolfgang Ritter and P. Neumann (2009)
Alternative control of Aethina tumida Murray (Coleoptera: Nitidulidae) with lime and diatomaceous earth
Journal of Pest Science (2009) 82, 47-53
Julia Janke, Martina Bandte, Christian Ulrichs, Giselher Grabenweger, Barbara Jäckel, Hartmut Balder and Carmen Büttner (2009)
Serological marking of Pnigalio agraules (Hymenoptera: Eulophidae) for field dispersal studies
Gesunde Pflanzen (2008) 60, 15-21
Bettina Welke, Inga Mewis, Tanja Mucha-Pelzer, Arunava Goswami and Christian Ulrichs (2008)
Stammapplikationen im Obstbau mit nanostrukturierten Silikaten gegen die Blutlaus Eriosoma lanigerum (Hausm.) und den Gemeinen Ohrwurm Forficula auricularia L.
[Fine silica particles applied onto fruit tree stems against Woolly apple aphid, Eriosoma lanigerum (Hausm.) and the Europaen earwing, Forficula auricularia L.]
Journal of Pest Science (2008) 81, 79-84
Christian Ulrichs, Inga Mewis, Sujit Adhikary, Atanu Bhattacharyya and Arunava Goswami (2008)
Antifeedant activity and toxicity of leaf extracts from Porteresia coarctata Takeoka and their effects on the physiology of Spodoptera litura (F.)
BioControl (2008) 53, 881-894
Christian Ulrichs and Keith R. Hopper (2008)
Predicting insect distributions from climate and habitat data
Gesunde Pflanzen (2008) 60, 23-28
Tanja Mucha-Pelzer, Nitai Debnath, Arunava Goswami, Inga Mewis and Christian Ulrichs (2008)
Bekämpfung von Epilachna vigintioctopunctata (F.) und Spodoptera litura (F.) mit Silikaten
[Applications of different silica's on the plant insect pests Epilachna vigintioctopunctata und Spodoptera litura F.]
Gesunde Pflanzen (2008) 60, 29-34
Christian Ulrichs, Tanja Mucha-Pelzer, Ekkehard Scobel, Lothar Kretschmer, Reinhard Bauer, Erich Bauer and Inga Mewis (2008)
Silikate im Pflanzenschutz: Elektrostatische Applikation und Abhängigkeit der Wirksamkeit von der Schichtdicke
[Plant protection with silica particles: Electrostatic application and impact of particle layer density on the insecticidal efficacy]
Gesunde Pflanzen (2006) 58, 173-181
Christian Ulrichs, S. Entenmann, A. Goswami and Inga Mewis (2006)
Abrasive und hydrophil/lipophile Effekte unterschiedlicher inerter Stäube im Einsatz gegen Schadinsekten am Beispiel des Kornkäfers Sitophilus granarius L.
[Abrasive and hydrophilic/lipophilic effects of different inert dusts used as insecticide against the stored insect pest Sitophilus granarius L.]
Gesunde Pflanzen (2005) 57, 73-80
A. Wudtke, H.E. Hummel and C. Ulrichs (2005)
Der Westliche Maiswurzelbohrer Diabrotica virgifera virgifera LeConte (Col.: Chrysomelidae) auf dem Weg nach Deutschland
[The Western corn rootworm Diabrotica virgifera virgifera LeConte en route to Germany]
Gesunde Pflanzen (2005) 57, 110-116
Christian Ulrichs, Dominika Dolgowski, Tanja Mucha, Christoph Reichmuth and Inga Mewis (2005)
Insektizide und phytotoxische Wirkung von Steinkohlenflugasche
[Insecticide and phytotoxic effects of hard coal fly ash]
Journal of Applied Entomology (2004) 128, 426-431
Ch. Ulrichs and I. Mewis (2004)
Evaluation of the efficacy of Trichogramma evanescens Westwood (Hym., Trichogrammatidae) inundative releases for the control of Maruca vitrata F. (Lep., Pyralidae)
Mitteilungen der deutschen Gesellschaft für allgemeine und angewandte Entomologie (2001) 13, 535-538
Inga Mewis, Christian Ulrichs and Wilfried H. Schnitzler (2001)
Ovipositionspräferenz des Südeuropäischen Kruziferenzünslers: Hellula undalis (Fabricius) (Lepidoptera: Pyralidae)
Mitteilungen der deutschen Gesellschaft für allgemeine und angewandte Entomologie (2001) 13, 273-278
Inga Mewis, Christian Ulrichs and Wilfried H. Schnitzler (2001)
Fraßverhalten sowie Wirtsfindung des Südeuropäischen Kruziferenzünslers: Hellula undalis (Fabricius) (Lepidoptera: Pyralidae) im Kontext zu sekundären Inhaltsstoffen der Wirtspflanze
[Feeding behaviour and host-plant finding of the cabbage webworm, Hellula undalis (Fabricius) (Lepidoptera: Pyralidae) in the context of secondary host-plant compounds]
Mitteilungen der deutschen Gesellschaft für allgemeine und angewandte Entomologie (2001) 13, 279-282
Christian Ulrichs, Inga Mewis, Wilfried H. Schnitzler and James R. Burleigh (2001)
Effektivität synthetischer Insektizide gegen Maruca vitrata F. sowie den Parasitoiden Bassus asper Chou and Sharkey in den Philippinen
[Effectivity of synthetic insecticides against Maruca vitrata F. and the parasitoid Bassus asper Chou and Sharkey in the Philippines]
Journal of Applied Entomology - Zeitschrift für angewandte Entomologie (2001) 125, 571-575
Ch. Ulrichs, I. Mewis and W.H. Schnitzler (2001)
Efficacy of neem and diatomaceous earth against cowpea aphids and their deleterious effect on predating Coccinelidae
Journal of Applied Entomology - Zeitschrift für angewandte Entomologie (2001) 125, 351-360
I. Mewis and Ch. Ulrichs (2001)
Auswirkungen von Diatomeenerde auf den Wasserhaushalt des Kornkäfers: Sitophilus granarius (L.) (Col., Curculionidae) und möglicher Einsatz innerhalb des Vorratsschutzes
[Effects of diatomoceous earth on water content of Sitophilus granarius (L.) (Col., Curculionidae) and its possible use in stored product protection]
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (2001) 74, 13-16
Inga Mewis and Christian Ulrichs (2001)
Treatment of rice with diatomaceous earth and effects on the mortality of the Red flour beetle Tribolium castaneum (Herbst)
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (2001) 74, 117-120
Ch. Ulrichs, I. Mewis and W.H. Schnitzler (2001)
Kombinierter Einsatz von synthetischen Insektiziden und Bacillus thuringiensis sowie Trichogramma evanescens gegen ausgewählte Schädlinge an Vigna sesquipedalis unter tropischen Tieflandbedingungen
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (2000) 73, 37-40
Christian Ulrichs and I. Mewis (2000)
[Treatment of rice with Neem and diatomaceous earth for controlling the stored-product Coleoptera, Sitophilus oryzae and Tribolium castaneum]
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (1999) 72, 113-121
Inga Mewis and Ch. Ulrichs (1999)
Wirkungsweise amorpher Diatomeenerden auf vorratsschädliche Insekten. Untersuchung der abrasiven sowie sorptiven Effekte
[Effect of diatomaceous earths on storage insect pests. Studies on abrasive and sorption properties]
Anzeiger für Schädlingskunde, Pflanzenschutz, Umweltschutz (1997) 70, 81-86
Ch. Ulrichs and Ch. Reichmuth (1997)
Einfluß physikalischer Parameter auf die Bekämpfung des Tabakkäfers Lasioderma serricorne Fab. (Col.: Anobiidae) mit Kohlenstoffdioxid unter Hochdruck
[Influence of physical parameters on the control of the tobacco beetle Lasioderma serricorne Fab. (Coleoptera: Anobiidae) with carbon dioxide under high pressure]
Phytoparasitica (1996) 24, p. 230 (Adler et al.)
C.S. Adler, Ch. Ulrichs and Ch. Reichmuth (1996)
On-site production of nitrogen for stored-product disinfestation
International Conference on Controlled Atmosphere and Fumigation (CAF) in Stored Products, April 21-26, 1996, Nicosia, Cyprus, lecture
Phytoparasitica (1996) 24, p. 233 (Ulrichs et al.)
Ch. Ulrichs, Ch. Reichmuth and W. Raemann (1996)
Carbon dioxide under high pressure to control the cigarette beetle, Lasioderma serricorne
International Conference on Controlled Atmosphere and Fumigation (CAF) in Stored Products, April 21-26, 1996, Nicosia, Cyprus, lecture
Phytoparasitica (1996) 24, 231-232
Ch. Ulrichs, Ch. Reichmuth, R. Tauscher and K. Westphal (1996)
Speed of gas exchange with oxygen during treatment of compressed tobacco with nitrogen or carbon dioxide for pest control
International Conference on Controlled Atmosphere and Fumigation (CAF) in Stored Products, April 21-26, 1996, Nicosia, Cyprus, lecture
