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The biology of invasive alien plants in Canada. 9. Impatiens glandulifera Royle.
Impatiens glandulifera Royle (Himalayan balsam) is an invasive alien annual up to 3 m in height with showy flowers that are generally pink or purplish. Native to the Himalayan region, I. glanduliferaExpand
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TILLAGE EFFECTS ON WEED SEED RETURN AND SEEDBANK COMPOSITION
Weed seed return and seedbank composition, with particular reference to common lambsquarters, were studied in four tillage systems established on a site near Fingal, Ontario. The tillage treatmentsExpand
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Adaptability of plants invading North American cropland
Abstract Invasive species have received considerable attention in recent years, but research has primarily focused on invasive species of natural habitats. Furthermore, cropland weeds have often beenExpand
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Promotion of weed species diversity and reduction of weed seedbanks with conservation tillage and crop rotation
Abstract In a 6-yr study on four farms (36 fields) in Ontario, Canada, we tested the effects of tillage (moldboard, chisel plow, no tillage) and crop rotations (continuous corn, corn-soybean,Expand
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The biology of Canadian weeds. 112. Ulex europaeus L.
Gorse (Ulex europaeus L.) is a leguminous shrub native to western Europe and North Africa. During the past century it has greatly expanded its adventive range in Australia, New Zealand, Chile andExpand
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Energy analysis of tillage and herbicide inputs in alternative weed management systems
Abstract In view of the movement toward alternative weed management systems in crop production, the authors analyzed the energy efficiency of tillage practices and herbicide use in alternativeExpand
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Management Strategies for Invasive Plants in Pacific Northwest Prairies, Savannas, and Oak Woodlands
Abstract Invasion by non-native plant species is one of the greatest threats to prairie, savanna, and oak woodland habitats of the Willamette Valley-Puget Trough-Georgia Basin (WPG) ecoregion.Expand
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Recent improvements in the energy efficiency of agriculture: Case studies from Ontario, Canada
Abstract Energy used (GJ) per tonne of crop produced defines energy efficiency. Low energy use/tonne of crop produced indicates higher energy efficiency. Because of improved crop breeding (moreExpand
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Climate change and weed adaptation: can evolution of invasive plants lead to greater range expansion than forecasted?
Clements DR & Ditommaso A (2011). Climate change and weed adaptation: can evolution of invasive plants lead to greater range expansion than forecasted? Weed Research51, 227–240. Summary InvasiveExpand
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PREDATORY BEHAVIOR AND PREY-STAGE PREFERENCES OF STIGMAEID AND PHYTOSEIID MITES AND THEIR POTENTIAL COMPATIBILITY IN BIOLOGICAL CONTROL
Comparaison du comportement predateur et des preferences pour un stade de developpement de leurs proies chez 2 especes. La consommation d'oeufs d'une espece de predateur par l'autre semble etre laExpand
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