Zobrazeno 1 - 10
of 125
pro vyhledávání: '"Johnnie Van den Berg"'
Autor:
Noémie M. C. Hévin, Gael J. Kergoat, Alberto Zilli, Claire Capdevielle-Dulac, Boaz K. Musyoka, Michel Sezonlin, Desmond Conlong, Johnnie Van Den Berg, Rose Ndemah, Philippe Le Gall, Domingos Cugala, Casper Nyamukondiwa, Beatrice Pallangyo, Mohamedi Njaku, Muluken Goftishu, Yoseph Assefa, Onésime Mubenga Kandonda, Grégoire Bani, Richard Molo, Gilson Chipabika, George Ong’amo, Anne-Laure Clamens, Jérôme Barbut, Bruno Le Ru
Publikováno v:
Arthropod Systematics & Phylogeny, Vol 82, Iss , Pp 447-501 (2024)
In this study, we reassess the phylogenetic relationships of the genus Sesamia Guenée, 1852 and examine in more detail the members of the nonagrioides species group, for which three distinct species complexes are identified. The calamistis subgroup
Externí odkaz:
https://doaj.org/article/0943851f3d894138ac6dff8ee5313823
Publikováno v:
Biodiversity Data Journal, Vol 11, Iss , Pp 1-39 (2023)
The previous species list of South African Mantodea, published in 1998, was largely compiled from the literature and did not incorporate data from the many insect museum collections available in the country. It is estimated that approximately 120 spe
Externí odkaz:
https://doaj.org/article/50d6676e420d46e1997f7623adc1db1b
Autor:
André Felipe Lohn, Miluse Trtikova, Ignacio Chapela, Johnnie van den Berg, Hannalene du Plessis, Angelika Hilbeck
Publikováno v:
Environmental Sciences Europe, Vol 35, Iss 1, Pp 1-20 (2023)
Abstract Background Decades after their first commercial release, many theoretical assumptions are still taken for granted in the deployment of genetically modified (GM) crops. Theoretically, in the case of maize, active transcription of the cry1Ab t
Externí odkaz:
https://doaj.org/article/87c862fcc81b4f269d53123b447172c5
Publikováno v:
Insects, Vol 14, Iss 10, p 813 (2023)
Cryptic feeding inside maize whorls makes it difficult to control fall armyworm (FAW). Smallholder farmers use alternative methods of control, of which the efficacy is uncertain. We determined the efficacy of wood ash and soil for the control of FAW
Externí odkaz:
https://doaj.org/article/824677381b3b4e4a9b01df26270f188e
Autor:
Rodney N. Nagoshi, Georg Goergen, Djima Koffi, Komi Agboka, Anani Kossi Mawuko Adjevi, Hannalene Du Plessis, Johnnie Van den Berg, Ghislain T. Tepa-Yotto, Jeannette K. Winsou, Robert L. Meagher, Thierry Brévault
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-12 (2022)
Abstract The fall armyworm, Spodoptera frugiperda (J.E. Smith) is native to the Americas and a major pest of corn and several other crops of economic importance. The species has characteristics that make it of particular concern as an invasive pest,
Externí odkaz:
https://doaj.org/article/8462b67b4dfd4b43b08f56525294a4ff
Publikováno v:
Journal of Orthoptera Research, Vol 30, Iss 1, Pp 17-26 (2021)
The false flower mantid is the common name for the Mantodea species Harpagomantis tricolor (Linnaeus, 1758). This species uses camouflage as a defense mechanism. Limited information (Kaltenbach 1996, 1998) exists on its distribution in southern Afric
Externí odkaz:
https://doaj.org/article/76df69c1beb246b4b830c02218f47c7e
Autor:
Joseph Gichuhi, Fathiya Khamis, Johnnie Van den Berg, Samira Mohamed, Sunday Ekesi, Jeremy K. Herren
Publikováno v:
BMC Microbiology, Vol 20, Iss 1, Pp 1-11 (2020)
Abstract Background Symbiotic interactions between insects and bacteria have been associated with a vast variety of physiological, ecological and evolutionary consequences for the host. A wide range of bacterial communities have been found in associa
Externí odkaz:
https://doaj.org/article/d106b3ab446a4bc6ab1609bbc15fe3a0
Autor:
Joseph Gichuhi, Subramanian Sevgan, Fathiya Khamis, Johnnie Van den Berg, Hannalene du Plessis, Sunday Ekesi, Jeremy K. Herren
Publikováno v:
PeerJ, Vol 8, p e8701 (2020)
Background The invasive fall armyworm, Spodoptera frugiperda (J.E. Smith) is a polyphagous pest that causes widespread damage particularly to maize and sorghum in Africa. The microbiome associated with S. frugiperda could play a role in the insects
Externí odkaz:
https://doaj.org/article/8bd2b08dc6da43ddaf2be84d6163b20e
Autor:
André Felipe Lohn, Miluse Trtikova, Ignacio Chapela, Johnnie Van den Berg, Hannalene du Plessis, Angelika Hilbeck
Publikováno v:
PLoS ONE, Vol 15, Iss 9, p e0238523 (2020)
Brazil and South Africa, countries with economies in transition, are characterized by a dual agrarian structure co-occurring, sometimes, alongside in the same region. Large-scale commercial farming produces crops for export to global markets on the o
Externí odkaz:
https://doaj.org/article/7ea03f1a02d245bb881d4e70bbcc20b0
Publikováno v:
Agriculture, Vol 11, Iss 9, p 826 (2021)
Fall armyworm (FAW), Spodoptera frugiperda (Lepidoptera: Noctuidae), is a major pest of maize. Yield losses between 30 and 70% in the Americas and between 11 and 100% in Africa have been reported. Little information exists on the effect of pest damag
Externí odkaz:
https://doaj.org/article/5cf5371505ee44bcb1dd3c77655a4713