Results 41 to 50 of about 31,109 (297)

Suitability of Selected Broad-Leaved Weeds for Survival and Growth of Two Stalk-Boring \u3ci\u3eHydraecia\u3c/i\u3e Species (Lepidoptera: Noctuidae) [PDF]

open access: yes, 2017
Third instar hop vine borer (Hydraecia immanis) and potato stem borer (H. micacea) are new pest species on corn in the Midwest. Early instar larvae feed on small-stemmed grasses, and later instar larvae switch to broad- stemmed hosts to complete ...
Giebunk, Bruce L   +2 more
core   +2 more sources

Randomized controlled trial of ragweed sublingual immunotherapy tablet in the subpopulation of Canadian children and adolescents with allergic rhinoconjunctivitis

open access: yesAllergy, Asthma & Clinical Immunology, 2021
Background Post hoc analyses of randomized placebo-controlled trials have demonstrated efficacy and tolerability of the ragweed sublingual immunotherapy (SLIT)-tablet in Canadian adults with ragweed pollen-induced allergic rhinitis/conjunctivitis (AR/C).
Anne K. Ellis   +3 more
doaj   +1 more source

Breeding of the herbifagic insect Tarachidia candefacta Hubn. on an artificial nutrient medium to suppress the development of Ambrosia artemisiifolia L plants

open access: yesTemas Agrarios, 2022
Ragweed (Ambrosia artemisiifolia L.) is an invasive plant species from the American continent, which has actively penetrated plant communities, displacing local species of cultivated and weed vegetation.
Irina S. Agasieva   +2 more
doaj   +1 more source

Preliminary Ecological Assessment of Waller Creek [PDF]

open access: yes, 1975
This report assesses the ecological character of Waller Creek. This includes a general description, its physical setting, vegetation and habitat descriptions, ecological value indexes, and other ecological metrics.Waller Creek Working ...
Espey, Huston and Associates, Inc.   +1 more
core   +1 more source

Zum Stand der Bekämpfung der Beifuß-Ambrosie (Ambrosia artemisiifolia L.) in Nordrhein-Westfalen (NRW)

open access: yesJulius-Kühn-Archiv, 2014
Since the beginning of common ragweed registration in North Rhine-Westphalia in 2007 there have been 427 ragweed records, among them 31 populations with more than 100 individuals.
Michels, Carla
doaj   +1 more source

Common Ragweed—Ambrosia artemisiifolia L.: A Review with Special Regards to the Latest Results in Biology and Ecology

open access: yesAgronomy
Weeds are responsible for a significant proportion of agricultural production losses. Common ragweed (Ambrosia artemisiifolia L.) has become the dominant weed in much of the northern hemisphere over the last century and is projected to further expand ...
Bence Knolmajer   +4 more
semanticscholar   +1 more source

Concomitant occurrence of anthropogenic air pollutants, mineral dust and fungal spores during long-distance transport of ragweed pollen.

open access: yesEnvironmental Pollution, 2019
Large-scale synoptic conditions are able to transport considerable amounts of airborne particles over entire continents by creating substantial air mass movement. This phenomenon is observed in Europe in relation to highly allergenic ragweed (Ambrosia L.)
Ł. Grewling   +8 more
semanticscholar   +1 more source

Mixed Signals: T Cells as Architects of IgE Immunity. [PDF]

open access: yesImmunol Rev
ABSTRACT Food allergen‐specific IgE can cause significant pathology, yet the pathways that generate pathogenic, high‐affinity IgE remain incompletely understood. Increasing evidence suggests that IgE responses arise from the integration of multiple, and sometimes opposing, T cell–derived cues.
Tierney AL   +3 more
europepmc   +2 more sources

Ragweed pollen and allergic symptoms in children: Results from a three-year longitudinal study.

open access: yesScience of the Total Environment, 2019
Common ragweed is a highly allergenic invasive species in Europe, expected to become widespread under climate change. Allergy to ragweed manifests as eye, nasal and lung symptoms, and children may retain these throughout life.
N. Jones   +9 more
semanticscholar   +1 more source

Dissemination of the quarantine weeds of the genus Ambrosia in the steppe zone of Ukraine

open access: yesActa Agriculturae Slovenica, 2023
The article presents the results of many years of research for the period 2003-2020, which were aimed at studying the dissemination and expansion of plant groups of quarantine species of Ambrosia weeds in the eastern steppe of Ukraine.
Yuliya GAVRILYUK   +4 more
doaj   +1 more source

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