Preface
Acknowledgements
Sources
Photo credits
Introduction
Intregrated Pest Management
Weed resistance to herbicides
Morphology of Dycotyledons
Identification key for Dicotyledons
Module 1 : Seedlings with orbicular cotyledons
Module 2 : Seedlings with oblong cotyledons
Module 3 : Seedlings with elongated cotyledons
Module 4 : Seedlings with linear and unusually shaped cotyledons
Module 5 : Young plants with rosette and alternate leaves
Module 6 : Young plants with opposite leaves arranged in a rosette
Module 7 : Young plants with alternate leaves on a stem
Module 8 : Young plants with opposite leaves on a stem
Dicotyledons
Amarantaceae
-Redroot amaranth
-Powell’s amaranth
-Waterhemp
-Palmer’s amaranth
-Spear saltbush
-Creeping saltbush
-Fig-leaved goosefoot
-Common lamb’s-quarters
-Oak-leaved goosefoot
-Kochia
Anacardiaceae
-Poison ivy
Apiaceae (Umbelliferae)
-Meadow cow parsnip
-Giant hogweed
-Wild carrot
-Wild parsnip
Apocynaceae
-Common milkweed
Asteraceae (Compositae)
-Common yarrow
-Biennial wormwood
-Common wormwood
-Nodding beggarticks
-Canada thistle
-Bull thistle
-Wild chicory
-Orange hawkweed
-Hairy galinsoga
-Low cudweed
-Great burdock
-Common burdock
-Great ragweed
-Common ragweed
-Field sow-thistle
-Common sow-thistle
-Prickly sow-thistle
-Prickly lettuce
-Rough cockleburr
-Autumn hawkbit
-Oxeye daisy
-Scentless chamomile
-Pineappleweed
-Common dandelion
-Meadow goatsbeard
-Sticky ragwort
-Common ragwort
-Common tansy
-Coltsfoot
-Grass-leaved goldenrod
-Canada goldenrod
-Canada horseweed
Balsaminaceae
-Purple jewelweed
Brassicaceae (Cruciferae)
-Bitter wintercress
-Common shepherd’s purse
-Common peppergrass
-Corn mustard
-Field mustard
-Wild radish
-Marsh yellowcress
-Creeping yellowcress
-Field pennycress
-Wormseed wallflower
Caryophyllaceae
-Common mouse-ear chickweed
-White campion
-Bladder campion
-Night-flowering catchfly
-Corn spurry
-Grass-leaved starwort
-Common chickweed
Convolvulaceae
-Dodders
-Field bindweed
-Hedge bindweed
Euphorbiaceae
-Sun spurge
-Common three-seeded mercury
Fabaceae (Legumes)
-Black medick
-Tufted vetch
Geraniaceae
-Common storksbill
Hypericaceae
-Common St. John’s-wort
Lamiaceae (Labiatae)
-Common hemp-nettle
Lythraceae
-Purple loosestrife
Malvaceae
-Velvetleaf
-Common mallow
Onagraceae
-Common evening-primrose (Common evening-primrose)
Oxalidaceae
-European wood-sorrel
Plantaginaceae
-Butter-and-eggs
-Common plantain
Polygonaceae
-Curled dock
-Sheep sorrel
-Pale smartweed
-Leathery knotweed
-Prostrate knotweed
-Japanese knotweed
-Eurasian black bindweed
-Spotted lady’s-thumb
-Marshpepper smartweed
Portulacaceae
-Common purslane
Renonculaceae
-Common buttercup
-Creeping buttercup
Rosaceae
-Silverweed
-Rough cinquefoil
-Sulphur cinquefoil
Rubiaceae
-Smooth bedstraw
Scrophulariaceae
-Common mullein
Solanaceae
-Hairy nightshade
-Eastern black nightshade
-Jimsonweed
Violaceae
-European field pansy
Morphology of the Poaceae (grasses)
Identification key for Poaceae (grasses)
Module 9 : Strictly annual species
Module 10 : Perennial or short-lived perennial species
Monocotyledons
Cyperaceae
-Yellow nutsedge
Annual Poaceae (grasses)
-Smooth crabgrass
-Hairy crabgrass
-Large barnyard grass
-Jointed goatgrass
-Woolly cupgrass
-Common wild oats
-Common panicgrass
-Fall panicgrass
-Proso millet
-Giant foxtail
-Yellow foxtail
-Green foxtail
Perennial Poaceae (grasses)
-Redtop
-Reed canarygrass
-Smooth brome
-Quackgrass
-Orchard grass
-Red fescue
-Common timothy
-Annual ryegrass
-Perennial ryegrass
-Rice cutgrass
-Leafy muhly
-Foxtail barley
-Annual bluegrass
-Kentucky bluegrass
-Common reed
Pteridophytes
Equisetaceae
-Field horsetail
Cultivated species
Grains
-Cultivated oats
-Common wheat
-Common barley
-Common rye
Clovers and alfalfa
-White clover
-Alsike clover
-Red clover
-Alfalfa
Rapeseed
Common buckwheat
Appendices
Seedlings with orbicular cotyledons
Seedlings with oblong cotyledons
Seedlings with elongated cotyledons
Seedlings with linear and unusually shaped cotyledons
Glossary
Index
AUTHOR OF THE SECOND EDITION
Amélie Picard, M. Sc., agr., agronomist, weed scientist, Laboratoire d’expertise et de diagnostic en phytoprotection, Direction de la phytoprotection, ministère de l’Agriculture, des Pêcheries et de l’Alimentation
REVISION
Annie Marcoux, M. Sc., agr., agronomist, weed scientist, Laboratoire d’expertise et de diagnostic en phytoprotection, Direction de la phytoprotection, ministère de l’Agriculture, des Pêcheries et de l’Alimentation
AUTHORS OF THE FIRS EDITION
Claude J. Bouchard et Romain Néron
COORDINATION, EDITING, GRAPHIC DESIGN AND LAYOUT BY THE CRAAQ
Karine Beaupré, Operations and Customer Service Coordinator
Gisèle Bertrand, Communications and Knowledge Mobilization Advisor
Lyne Lauzon, Publications Project Manager
Nathalie Nadeau, Graphic Designer
Véronique Michaud, Graphic Designer
Ce projet a été financé par l’entremise du volet 1 du programme Prime-Vert,
mis en oeuvre en vertu du Partenariat canadien pour l’agriculture, selon une entente conclue entre les gouvernements du Canada et du Québec.
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