Occurrence of Neophytes in Agrophytocoenoses – Field Survey in the Czech Republic

Autor: Michaela Kolářová, Luděk Tyšer, Hansjörg Krähmer

Publikováno v: Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, Vol 65, Iss 2, Pp 661-668 (2017)

Neophytes belong to a group of non‑native plants, which were introduced by man either intentionally or unintentionally in different ways. The discovery of America is a historical milestone for non-native plant research. Most scientists use the term

Externí odkaz: https://doaj.org/article/1ff06c0641094dedb1a6ddd1cdaf2775

Early ontogeny defines the diversification of primary vascular bundle systems in angiosperms

Autor: Hansjörg Krähmer, Regine Claßen-Bockhoff, Doris Franke

Publikováno v: Botanical Journal of the Linnean Society. 195:281-307

Understanding vascular bundle systems in angiosperms is a challenge. On the one hand, the vascular tissue is extremely important in reconstructing the evolution and survivability of plants, but on the other hand, it forms a complicated three-dimensio

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::406b3d228e4e4b3a3183b52565cab1d3
https://doi.org/10.1093/botlinnean/boaa084

Rhizomes : Hidden Stems with Unknown Diversity

Autor: Hansjoerg Kraehmer, Linnea Hesse

Comprehensive reference on the characteristics of rhizomes, stems growing roughly horizontally below ground level, important for perennial and hard-to-control weeds and for the propagation of some commercially important crops. Rhizomes describes and

Weed surveys and weed mapping in Europe: state of the art and future tasks

Autor: Silvia Panozzo, Robert Novák, Garifalia Economou-Antonaka, Hansjörg Krähmer, Dionissios Kalivas, Ineta Vanaga, Guillaume Fried, Maurizio Sattin, Gyula Pinke, J. Holec, Michaela Kolářová, Edita Štefanić, Jukka Salonen, Christian Andreasen

Publikováno v: Crop protection (2020). doi:10.1016/j.cropro.2019.105010
info:cnr-pdr/source/autori:Krähmer H., Andreasen C., Economou-Antonaka G., Holec J., Kalivas D., Kolárová M., Novak R., Panozzo S., Pinke G., Salonen J., Sattin M., Stefanic E., Vanaga I., Fried G/titolo:Weed surveys and weed mapping in Europe: state of the art and future tasks/doi:10.1016%2Fj.cropro.2019.105010/rivista:Crop protection/anno:2020/pagina_da:/pagina_a:/intervallo_pagine:/volume

Long-term national European weed surveys, large scale classical phytosociological programs and camera-based documentation systems lead to results which can be documented in form of maps. Comparisons of these visual representations of relative weed po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44910104e34c48d3e90476094a68be22

Grasses : Crops, Competitors, and Ornamentals

Autor: Hansjoerg Kraehmer

Combines new findings on morphological aspects, the latest data on gene function in grasses, and the interaction of grasses with their habitats 45% of all arable land is covered by five grass crops: wheat, maize, rice, barley and sugar cane. This boo