Weed Identification and Control - HerbiGuide
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Weed Identification and Control Common Weed Families Overview Classification and naming of plants. Major weeds and their families. www.herbiguide.com.au +61 8 98444064
Transcript of Weed Identification and Control - HerbiGuide
Weed Identification and ControlCommon Weed Families
OverviewClassification and naming of plants.
Major weeds and their families.
www.herbiguide.com.au+61 8 98444064
Weed Identification and Control
TaxonomyNaming of species is based on morphological characters (especially reproductive structures). Represented in a tree like structure with closely related species in groups and sub groups etc.Kingdom, order, family, (tribe), genus, species, sub species, (cultivar, form, ecotype, races).
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Weed Identification and Control
Free Living Things
Animals Plants
Fungi Algae, MossesLichens & Liverworts Vascular plants
Plant with seeds Seedless Plants(with spores)
Ferns & fern alliesConifers(Gymnosperms)
Flowering plants(Angiosperms) Cycads
Dicotyledons Monocotyledons
Grasses Lilies Rushes & Sedges etc
Kingdom
Class
Order
Subclass
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Weed Identification and Control
The species is generally characterized as the highest level at which individuals freely interbreed.Most plants are named by quoting their genus and species with the authority or the person/s who assigned that name.Capeweed is Arctotheca calendula (L.) Levyns.The L. indicates that it was Lineaus who first described the species and Levyns has since revised it. In some older books it will be called Cryptostemma calendula (L.).First collection in Australia from King Georges Sound, Albany, WA in 1833.
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Weed Identification and Control
Dicotyledons
RosalesRoses
FabalaesPeas EtcBrassicales
BrassicasAsterales
Daisy
Asteraceae
AstereaeAsters
CynareaThistlesArctotae
Arctotis Arctotheca
SenecioneaeSenecio
Berkheya
HelianthaceaeSunflowers
calendulaCAPEWEED
populifoliaBeach Daisy
InuleaeStinkworts
Family
Tribe
Genus
species
Order
Subclass
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Weed Identification and Control
Over 50% of weeds are in 6 families
Grass (Poaceae)
Iris (Iridaceae)
Pea (Fabaceae)
Daisy (Asteraceae)
Brassica (Brassicaceae)
Yorkshire Fog
Phalris
Wild Oat
Wheat
Watsonia Cape TulipOnion Grass
Dolichos PeaClover Vetch
Lupin
Gorse Lupin
Capeweed Holly-leaved Senecio
Cotula
Flatweed
FlatweedSowthistleVariegated Thislte
Wild Radish Sea Rocket Mediterranean TurnipPage15
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Weed Identification and ControlThe major weeds and their families
FernsBracken
GymnospermsPines
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Weed Identification and ControlThe major weeds and their families - Monocotyledons
Grass family
PoaceaeLong narrow leaveswith parallel veins.No showy flowers.Seeds at the ends of stems.Fibrous roots100 species commonly controlled.About a quarter of ourweeds are grasses.
African LovegrassAnnual Poa Barley Grass Brome Grass
Couch
Crabgrass
Kikuyu
Yorkshire FogPampas Grass
Wild Oat Phalaris
Paspalum Witchgrass
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Weed Identification and ControlThe major weeds and their families - Monocotyledons
Iris familyIrridaceae6 petal flowersLong narrow leaves withParallel veinsOften with corms and bulbsNo taproot
Watsonia
Cape Tulip
Onion Grass
Freesia
GladiolusCape TulipOnion Weed
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Weed Identification and ControlThe major weeds and their families - Monocotyledons
Other MonocotsJunncaceaeToad Rush, Cultivation Rush,Spiny Rush
AsparagaceaeBridal Creeper
AraceaeArum Lily
CyperaceaeNut Grass, Sedges
Toad Rush
Cultivation RushBridalCreeper
Arum Lily
Nutgrass
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Weed Identification and ControlThe major weeds and their families - Dicotyledons
Asteraceae/CompositaeDaisy familyComposite flowersBroad leaves often lobedOften rosettesTaprootOften wind dispersed seedwith parachutes (pappus)
Capeweed
CotulaFlatweed
Sowthistle
Variegated Thislte
Holly-leavedSenecio
Cudweed
Flebane
Jo-Jo – Prickle seeds
Stinkwort
SkeletonWeedSlender Thistle
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Weed Identification and ControlThe major weeds and their families - Dicotyledons
FabaceaePea familyPea flowersBroad leaves often withleafletsTaproot often with nodules Usually has podsOften roundish seed.
Clover Medic
TaylorinaSerradella
Lupins
Pea Dolichos Pea
Gorse
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Weed Identification and ControlThe major weeds and their families - Dicotyledons
BrassicaceaeBrassica family – Radish,Tunip, Mustards4 petal flowers - CrucifersBroad leaves often lobedOften rosettesTaproot Usually has podsOften roundish seed.Often has heart shapedcotyledons
Wild Radish
Sea Rocket
Mediterranean Turnip
Indian Hedge Mustard
Hedge Mustard
Turnip Weed
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Weed Identification and ControlThe major weeds and their families - Dicotyledons
PolygonaceaeDock familyTiny flowersBroad leaves with a membrane(ochrea) at the baseOften rosettesTaproot Single seeds often in casesPyrimidal seedLong thin cotyledons
Dou blegee
Dock
Sorrel
Wireweed
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Weed Identification and ControlThe major weeds and their families - Dicotyledons
Other DicotsSolanaceaeNightshade, Tomato, PotatoRosaceaeBlackberryOxalidaceaeSousob, OxalisLamiaceae – Mint familyPennyroyal, Sages, Stagger WeedCaryophyllaceaeChickweeds, Spurry, CatchflyChenopodiaceae –Saltbush familyFathen, Goosefoot, Crumbweed, KochiaMalvaceaeMallows
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