Révision de L'arrêté sur les graines de mauvaises herbes - Modifications proposées
8.0 Graines de mauvaises herbes dans les semences importées, 2001-2008

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Impuretés trouvées dans les échantillons de semences importées
Le tableau ci-dessous présente une liste des impuretés trouvées dans les échantillons de semences importées et le nombre total d'impuretés trouvées par espèce, entre 2001 et 2008.
Les mots entre crochets ont été ajoutés par souci de clarté.
Espèces Total
Agrostis sp. 1
Alfalfa (Medicago sativa) 11
Allium sp. 1
Alopecurus Species 1
Alophia sp. 1
Ammi sp. 1
Arnica sp. (Arnica sp.) 1
Asteraceae species (Asteraceae sp.) 1
Barley (Hordeum vulgare) 2
Barley, Wild (Hordeum jubatum) 5
Beet (Beta vulgaris) 1
Black Medick (Medicago lupulina) 4
Black nightshade (Solanum nigrum) 1
Bluegrass (Poa sp.) 2
Bluegrass Annual (Poa annua) 10
Bluegrass, Big (Poa ampla) 3
Bluegrass, Bulbous (Poa bulbosa) 10
Bluegrass, Annual (Poa annua) 21
Bluegrass, Fowl (Poa palustris) 3
Bluegrass, Kentucky (Poa pratensis) 17
Bluegrass, Canada (Poa compressa) 4
Bluegrass (Poa sp.) 2
Bluegrass, Rough (Poa trivialis) 10
Bluegrass, Sandberg  (Poa secunda) 1
Bluestem (Andropogon sp.) 1
Bluestem, Big (Andropogon gerardii) 1
Bluestem, Little (Androgogon scoparius) 1
Brassica sp. 5
Bromegrass (Bromus sp.) 12
[Brome] Chess 2
Brome, Downy (Bromus tectorum) 4
Brome, Japanese (Bromus japonicus) 11
Bromegrass, Mountain (Bromus marginatus) 1
Bromegrass, Sweet (Bromus carinatus) 2
Bromus hordeaceus 1
Buckwheat, Wild (Polygonum convolvulus) 7
Canarygrass, Reed (Phalaris arundinacea) 5
Carex Sp. ( ) 2
Carrot (Daucus carota) 3
Carrot, Wild (Daucus carota) 2
Catchfly, Night-Flowering (Silene noctiflora) 6
Catchfly, Small flowered  1
Cat's Ear 1
Chamomile, Scentless (Matricaria perforata) 3
Chenopodium sp. 7
Chess, Australian (Elymus elymoides) 1
Chess, Soft (Bromus mollis) 2
Chickweed, Common (Stellaria media) 17
Chicory (Cichorium intybus) 1
Cinquefoil (Potentilla sp.) 2
Cleavers (Galium aparine) 7
Clover, Alsike (Trifolium hybridum) 25
Clover, Hop (Trifolium aureum) 7
Clover, Ladino 3
Clover, Persian (Trifolium resupinatum) 5
Clover, Red (Trifolium pratense) 16
Clover, Small Hop (Trifolium dubium) 6
Clover, Strawberry (Trifolium fragiferum) 3
Clover, Sweet 7
Clover, White (Trifolium repens) 19
Corn Spurrey (Spergula arvensis) 1
Cockle, White (Silene pratensis) 6
Cress, Marsh Yellow (Rorippa islandica) 1
Crested Dogtail (Cynosurus cristatus) 1
Death camas (Zigadenus gramineus) 1
Dill (Anethum graveolens) 1
Dock (Rumex sp.) 14
Dock, Golden (Rumex maritimus) 1
Dodder (Cuscuta sp.) 3
Echinochloa sp. 1
Ergot Bodies (Claviceps purpurea) 50
Euphorbiaceae Family 1
European Pasqueflower (Anemone pulsatilla) 1
Fall Dandelion 1
Fescue (Festuca sp.) 3
Fescue, Red (Festuca rubra) 17
Fescue, Squirreltail (Vulpia bromoides) 1
Fescue, Tall (Festuca arundinacea) 16
Fescue, Rat's-Tail( ) 4
Fiddleneck (Phacelia tanacetifolia) 2
Fireweed (Epilobium angustifolium) 1
Foxtail, Creeping (Alopecurus arundinaceus) 1
Foxtail, Green (Setaria viridis) 17
Foxtail, Meadow (Alopecurus pratensis) 1
Foxtail, Water (Alopecurus geniculatus) 8
Foxtail, Yellow (Setaria glauca) 15
Garden Rocket 3
Geranium, Spotted (Geranium maculatum) 1
Glyceria Species (Glyceria sp.) 3
Grass, Alkali (Puccinellia sp.) 5
Grass, Annual Hair (Deschampsia danthonioides) 3
Grass, Barnyard (Echinochloa crusgalli) 8
Grass, Bent (Agrostis sp.) 6
Grass, Bermuda (Cynodon dactylon) 2
Grass, Black (Alopecurus myosuroides ) 3
Grass, Couch (Agropyron repens) 7
Grass, Green Needle (Stipa viridula) 1
Grass, Indian (Sorghastrum nutans) 1
Grass, Johnson (Sorghum halepense) 1
Grass, Manna (Glyceria sp.) 6
Grass, Orchard (Dactylis glomerata) 9
Grass, Prairie June 1
Grass, Slough (Beckmannia syzigachne) 1
Grass, Spear 2
Grass, Tickle 1
Grass, Velvet (Holcus lanatus) 3
Grass, Weeping alkaligrass 2
Groundsel 1
Hawk's-beard (Crepis sp.) 1
Heal-all (Prunella vulgaris) 6
Hedge Parsley (Torilis nodosa) 2
Henbit (Lamium amplexicaule) 1
Hyssop Loosestrife 1
Hyssop-Leaved Loosestrife (Lythrum hyssopifolia) 1
Juncus species 1
Kanpweed, Russian (Acroptilon repens) 1
Knotweed (Polygonum sp.) 2
Kochia (Kochia sp.) 9
Lamb's-quarters (Chenopodium album) 41
Lamiaceae Family 1
Lentil (Lens culinaris) 1
Lettuce (Lactuca sativa) 4
Locoweed (Oxytropis sp.) 1
Lolium sp. (Lolium sp.) 2
Lotus sp. (Lotus sp.) 3
Madder, Field (Sherardia arvensis) 4
Mallow (Malva sp.) 1
Mayweed 2
Mayweed, Stinking (Anthemis cotula) 9
Millet Crown 1
Millet, Foxtail (Setaria italica) 1
Millet, Proso (Panicum miliaceum) 3
Millet, Siberian (Setaria italica) 1
Mustard, Brown 1
Mustard, Hoary (Hirschfeldia incana) 1
Mustard, Tumble (Sisymbrium altissimum) 3
Mustard, Wild (Sinapis arvensis) 3
Mustard, Wormseed (Erysimum cheiranthoides) 1
Needle spike-rush (Eleocharis acicularis) 1
Nipplewort (Lapsana communis) 4
Nothing Found 142
Oat (Avena sp.) 1
Oat, Wild (Avena fatua) 5
Oatgrass, Hooker's (Helictotrichon hookeri) 2
Oatgrass, Tall (Arrhenatherum elatius) 2
Onagraceae Family 1
Oregano (Origanum vulgare) 1
Ox-Eye Daisy (Chrysanthemum leucanthemum) 1
Panicum bergi 1
Panicum Species 6
[Panicum] Switchgrass (Panicum virgatum) 2
[Panicum] Witchgrass (Panicum capillare) 3
Parsley (Petroselinum crispum) 1
Peppergrass, Common (Lepidium densiflorum) 1
Persicaria lapathifolia 1
Pigweed (Amaranthus sp.) 15
Pigweed, Redroot (Amaranthus retroflexus) 5
Pigweed, Russian (Axyris amaranthoides) 2
Plantain (Plantago sp.) 2
[Plantain] Ribgrass (Plantago lanceolata) 11
Polygonaceae sp. (Polygonaceae sp.) 2
Polygonum Species 7
[Polygonum] Prostrate Knotweed (Polygonum aviculare) 4
[Polygonum] Smartweed (Polygonum sp.) 4
Radish (Raphanus sativus) 1
Radish, Wild (Raphanus raphanistrum) 2
Ragweed, Common (Ambrosia arteisiifolia) 1
Ragweed, Giant (Ambrosia trifida) 1
Rapeseed, Argentine 7
Rapeseed (B. napus) (Brassica napus) 2
Rudbeckia sp. 1
Rye (Secale cereale) 1
Ryegrass (Lolium sp.) 39
Scarlet Pimpernel (Anagallis arvensis) 1
Setaria sp. 1
Sheep Sorrel (Rumex acetosella) 11
Shepherd`s-purse (Capsella bursa-pastoris) 2
Side-oats grama (Bouteloua Curtipendula) 1
Solanaceae sp. 1
Sorghum (Sorghum bicolor) 1
Sow Thistle, Annual (Sonchus oleraceus) 4
Sow Thistle, Spiny Annual 7
Soybean (Glycine max) 2
St John`s-wort (Hypericum perforatum) 1
Starthistle (Centaurea sp.) 1
Stinkweed (Thlaspi arvense) 6
Stork's-bill (Erodium cicutarium) 4
Thistle, Canada (Cirsium arvense) 5
Thistle, Russian (Salsola pestifer) 3
Thistle, Yellow Star 1
Timothy (Phleum pratense) 24
Tomato (Lycopersicon esculentum) 1
Tomato, Wild (Solanum triflorum) 1
Trefoil, Big (Lotus pedunculatus) 2
Trefoil, Bird's-foot (Lotus corniculatus) 5
Trefoil, Large Bird's-Foot 6
Velvetleaf (Abutilon theophrasti) 1
Ventenata dubia 4
Vetch, Four-seeded (Vicia tetrasperma) 1
Vicia sp. 1
Viola Species 5
Vulpia sp. (Vulpia sp.) 23
Vulpia Species 3
Wheat (Triticum aestivum) 5
Wheatgrass (Agropyron sp.) 1
Wheatgrass, Bluebunch 1
Wheatgrass, Crested 2
Wheatgrass, Northern (Agropyron dasystachyum) 1
Wheatgrass, Pubescent (Agropyron trichophor) 1
Wheatgrass, Slender (Agropyron trachycaulum) 4
Wildrye, Dahurian (Elymus dahuricus) 2
Windgrass (Apera spica-venti) 11
Wiregrass (Ventenata dubia) 2
Wood-Sorrel (Oxalis stricta) 1
Woolly Cupgrass (Eriochloa villosa) 1
Yellow Daisy 1
Yellow Rocket (Barbarea vulgaris) 1
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