Results 31 to 40 of about 809 (166)

Gatunki inwazyjne w dolinie środkowej Warty

open access: yesBiuletyn Uniejowski, 2018
Analizą objęto inwazyjne gatunki roślin w środkowym odcinku doliny Warty. Badania prowadzono metodą transektów. Stwierdzono 21 gatunków roślin inwazyjnych.
Błażej Chmielecki, Leszek Kucharski
doaj   +1 more source

A NEW FUROCLERODANE FROM ERIGERON CANADENSIS L.

open access: yesZagazig Journal of Pharmaceutical Sciences, 1993
The re-investigation of Erigeron canadensis L. (Conyza canadensis L.) afforded Two conycephaloid derivatives, in addition to B-sitosterol, stigmasterol, caryophyllene epoxide and oleanolic acid. The structures of these compounds were established on basis
Sameeh El-Dahmy
doaj   +1 more source

Resistência ao glyphosate em biótipos de Conyza bonariensis e Conyza canadensis no Estado do Rio Grande do Sul, Brasil Resistance to glyphosate in Conyza bonariensis and Conyza canadensis biotypes in Rio Grande do Sul, Brazil

open access: yesPlanta Daninha, 2008
Experimentos de curva de dose-resposta foram conduzidos para avaliar a ocorrência de resistência ao glyphosate em biótipos de Conyza canadensis e Conyza bonariensis oriundos de municípios do Rio Grande do Sul.
F.P. Lamego, R.A. Vidal
doaj   +1 more source

Conyza canadensis Cronquist

open access: yes, 2021
Conyza canadensis (L.) Cronquist Kanadisches Berufkraut Art ISFS: 119300 Checklist: 1013070 Asteraceae Conyza Conyza canadensis (L.) Cronquist Bestimmungsschlüssel Zusammenfassung Artbeschreibung (nach Lauber & al. 2018): 20-80(-120) cm hoch, +/- rauhaarig. Blätter lanzettlich, ganzrandig oder gezähnt. Gesamtblütenstand schmal zylindrisch. Hülle 3-4 mm
openaire   +2 more sources

Identification of a Cd accumulator Conyza canadensis

open access: yesJournal of Hazardous Materials, 2009
One of key steps of phytoremediating heavy metal contaminated soils is still the identification of hyperaccumulator and accumulator. In a former published article, Conyza canadensis L. Cronq. expressed some basic properties of Cd-hyperaccumulators.
Key Laboratory of Terrestrial Ecological Process, Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, PR China ( host institution )   +7 more
openaire   +3 more sources

Essential Oil Compositions of Three Invasive Conyza Species Collected in Vietnam and Their Larvicidal Activities against Aedes aegypti, Aedes albopictus, and Culex quinquefasciatus

open access: yesMolecules, 2020
Mosquito-borne infectious diseases are a persistent problem in tropical regions of the world, including Southeast Asia. Vector control has relied principally on synthetic insecticides, but these have detrimental environmental effects and there is an ...
Tran Minh Hoi   +9 more
doaj   +1 more source

Comparison of basic photosynthetic characteristics between exotic invasive weed Solidago canadensis and its companion species

open access: yes浙江大学学报. 农业与生命科学版, 2007
Photosynthetic indices of Solidago canadensis and its companion species were determined using LCA-4 portable photosynthesis and transpiration system (ADC, England). Results were as follows: (i) The actual maximal net photosynthetic rate of S.
HU Tian-yin   +3 more
doaj   +1 more source

Species Identification of Conyza bonariensis Assisted by Chloroplast Genome Sequencing

open access: yesFrontiers in Genetics, 2018
Flaxleaf fleabane (Conyza bonariensis [L.] Cronquist) is one of the most difficult weeds to control worldwide. There are more than 150 Conyza species in the world and eight species in Australia.
Aisuo Wang   +5 more
doaj   +1 more source

Historical evidence for context-dependent assessment of Erigeron canadensis invasions in an 18th-century European landscape [PDF]

open access: yesNeoBiota, 2023
Understanding the historical roots of invasion science provides insights into early perceptions of invasive species, allows us to trace the evolution of the discipline over time, and helps contextualize modern research.
Ingo Kowarik
doaj   +3 more sources

Anatomical variations in stomatal attributes of selected species of family Asteraceae

open access: yesCommunications in Plant Sciences, 2016
In order to document stomatal characters which are significant in taxonomy, a detailed microscopic study on leaf epidermis of the selected taxa from Asteraceae was carried out. The plant species were Sonchus oleraceus, Bidens bipinnata, Centaurea iberica,
Muhammad Asif Tahir   +4 more
doaj   +1 more source

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