Results 211 to 220 of about 6,270,003 (252)

Seed Bank Dynamics of Common Ragweed (Ambrosia Artimisiifolia L.)

2023
The term seed bank is used herein to refer to the store of seeds buried in the soil (Harper 1977) both in the general sense referring to all species and in a restricted sense referring only to the propagules of a species. The seed bank is a dynamic entity that varies in composition, size, and distribution.
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Soybean and common ragweed (Ambrosia artemisiifolia) growth in monoculture and mixture

Weed technology, 2019
Understanding how plants alter their growth in response to interplant competition is an overlooked but complex problem. Previous studies have characterized the effect of light and water stress on soybean or common ragweed growth in monoculture, but no ...
Ethann R. Barnes, A. Jhala, S. Knezevic, P. Sikkema, J. Lindquist   +4 more
semanticscholar   +1 more source

Ambrosia artemisiifolia Linnaeus, common ragweed (Asteraceae, Magnoliophyta)

2009
Chapter 13: Species Accounts of 100 of the Most Invasive Alien Species in Europe ; International ...
Bretagnolle, François, Chauvel, Bruno
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Common Ragweed (Ambrosia artemisiifolia) Control in Soybeans

2019
Discusses common ragweed and its negative impacts on soybean crop yield, problems with herbicide resistance, and also notes other means of control.
Scruggs, Eric, Beam, Shawn, Flessner, Michael L.   +2 more
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Common ragweed national maps & public policies in France

2014
Common ragweed (Ambrosia artemisiifolia L.) has been detected in France in the middle of the XIXth century. It has spread throughout the territory during the XXth century with a critical evolution. Public policies have not been able to contain this spread at the moment, and it is now difficult to find ways to tackle the invasion.
Mandon-Dalger, Isabelle, Just, A., Martinez, Quentin, Chauvel, Bruno   +3 more
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Common ragweed growth under different level of competition

2013
L’ambroisie à feuilles d’armoise (Ambrosia artemisiifolia L.) peut coloniser différents types d’habitats. De mi-mai à septembre 2012, la croissance et le développement de différentes plantes ont été suivis dans quatre type d’habitats. Les principales étapes de développement ont été observées et une biomasse aérienne finale a été mesurée.
Martinez, Quentin, Chauvel, Bruno
openaire   +1 more source

DORMANCY AND GERMINATION OF COMMON RAGWEED SEEDS IN THE FIELD

American Journal of Botany, 1975
Common ragweed (Ambrosia artemisiifolia) seeds were stored under natural environmental conditions by placing them at three soil levels (surface, 5 cm, and 15 cm) in the field on November 1, 1972. Germination tests at 4‐week intervals indicated that dormancy was broken by the end of January.
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Economics of monitoring and surpression of common ragweed

2008
Integrated approach of weed control could provide a significant improvement in surpression of ragweed.
Štefanić, Ivan, Štefanić, Edita
openaire   +1 more source

Allergy to common ragweed: What means for checking its invasion?

2013
Common ragweed (Ambrosia artemisiifolia L.) is spreading over the French territory and has become a public health issue. In order to reinforce coordination of the means of fighting against this annual plant, a source of allergenic pollen, the French Ministry of Health and the French National Institute for Agricultural Research (Inra) set up the French ...
Chauvel, Bruno, Martinez, Quentin
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THE BITTER PRINCIPLE OF COMMON RAGWEED.

Journal of the American Chemical Society, 1914
Burt E. Nelson, George W. Crawford
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