weeds in sri lankaa
DESCRIPTION
Matara Sri lankaTRANSCRIPT
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•WEEDS
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Wathupalu
BOTANICAL NAME : Mikania micranthaFAMILY : Asteraceae
COMMON NAME : WathupaluHABIT : Herb
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HulanthalaBOTANICAL NAME : Agerotum conyzoidesFAMILY : CompositaeCOMMON NAME : Hulanthala
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Pethi thora
• BOTANICAL NAME : Cassia toraFAMILY : FabaceaeCOMMON NAME : Pethi ThoraHABIT : Herb
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Karal Haba
• BOTANICAL NAME : Achyranthus asperaFAMILY : AmaranthaceaeCOMMON NAME : Karal HabaHABIT : Herb
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Wal penela
• BOTANICAL NAME : Cardiospermum halicacabumFAMILY : SapindaceaeCOMMON NAME : Wal PenelaHABIT : CreeperLIFE CYCLE : Annual
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Balu naguta
• BOTANICAL NAME : Stachytarpheta indicaFAMILY : VerbenaceaeCOMMON NAME : Balu NagutaHABIT : Herb
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Apala
• BOTANICAL NAME : Urena lobataFAMILY : MalvaceaeCOMMON NAME : ApalaHABIT : Herb
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• BOTANICAL NAME : Alternanthera sessilisFAMILY : AmaranthaceaeCOMMON NAME : MukunuwennaHABIT : Herb
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• BOTANICAL NAME : Celosia asiaticaFAMILY : AmaranthaceaeCOMMON NAME : Walraja PohottuHABIT : HerbLIFE CYCLE : Annual
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• BOTANICAL NAME : Lantana camaraFAMILY : VerbinaceaeCOMMON NAME : GandapanaHABIT : HerbLIFE CYCLE : Perennial
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• BOTANICAL NAME : Scoparia dulcisFAMILY : ScrophulariaceaeCOMMON NAME : Wal KoththamalliHABIT : HerbLIFE CYCLE : Annual
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• BOTANICAL NAME :Sida occutaFAMILY : Heen BabilaCOMMON NAME : Malvaceae
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• BOTANICAL NAME : Clemoe viscosaFAMILY : CapparidaceaeCOMMON NAME :Wal Aba (Kurunagala)Walwela (Kaluthara)HABIT : HerbLIFE CYCLE : Annual
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Clemoe spinosa
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• BOTANICAL NAME :Tridax procumbensFAMILY : AsteraceaeCOMMON NAME : Kurunegala DesiHABIT : HerbLIFE CYCLE : Annual Plant
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• BOTANICAL NAME :Centella asiaticaCOMMON NAME : GotukolaLIFE CYCLE : Annual Plant
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• BOTANICAL NAME : Vernonia ceneriaFAMILY : AsteraceaeCOMMON NAME : MonerekudumbiyaHABIT : HerbLIFE CYCLE : Annual
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• Wal Rubber • BOTANICAL NAME : Euphorbia heterophylla
FAMILY : Euphorbiaceae
COMMON NAME : Wal Rubber
HABIT : Herb
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Sudupitawakka
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redroot pigweed•
• Showing newest posts with label Amaranthaceae. Show older posts • Showing newest posts with label Amaranthaceae. Show older posts• Friday, December 14, 2007• Kurathampala • BOTANICAL NAME : Amaranthus viridis
FAMILY : Amaranthaceae
COMMON NAME : Kurathampala
HABIT : Herb
LIFE CYCLE : Pale green
MORPHOLOGICAL CHARACTERS :Flowers are Pale green. Branched errect Herb. Floweringthroughout the year. Top root system.
AGRICULTURE IMPORTANCE :valuable medicine. Nutritious food contain iron. A harmless weed.
PROPAGATION METHOD : By seeds
METHOD OF CONTROL : By Hand weeding or herbicides.
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• BOTANICAL NAME : Desmodium triflorum
FAMILY : Fabaceae
COMMON NAME : Heen Undupiyaliya
HABIT : Creepy Herb
MORPHOLOGICAL CHARACTERS : Flowers are bright purple. Sub arial stem& runners run and spread all over theland. This herb creeping along the nodes.Leaves are like conic trilateral. Side isbeing consisted of a leaf is attached to thestalk.
AGRICULTURE IMPORTANCE : Compete with crops for essentialrequirements. Valuable Medicine.Animal Feed. Gives Nitrogen to soil.
PROPAGATION METHOD : By seeds or runners.
METHOD OF CONTROL : By mammoting.
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• BOTANICAL NAME : Euphorbia hiria
FAMILY : Euphorbiaceae
COMMON NAME : Kapumkeeriya
HABIT : Herb
LIFE CYCLE : An annual plant.
MORPHOLOGICAL CHARACTERS :Flowers are White. Branched up words from the group level.Reddish or purple edge. When the plant is broken milkyjuice comes out.
AGRICULTURE IMPORTANCE :Compete with crops for essential requirements.
PROPAGATION METHOD : By seeds
METHOD OF CONTROL : By mammoting or harrowing.
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• BOTANICAL NAME : Mimosa pudicaFAMILY : FabaceaeCOMMON NAME : NidikumbaHABIT : HerbLIFE CYCLE : Perennial
•MORPHOLOGICAL CHARACTERS :
• Occationaly climbs up by nodules stem isBrownish in colour. Covered with hairs.Prickless leaves. It has more thorns.
•AGRICULTURE IMPORTANCE :
• Compete with crops for essentialrequirements. Can be seen in all partsof the country.
•PROPAGATION METHOD : By seedsMETHOD OF CONTROL : By ploughing & harrowing.
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693 × 457 - Amaranthaceae: Gomphrena globosa
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• BOTANICAL NAME : Leucas zelanicus
FAMILY : Labiatae
COMMON NAME : Gata Thumba
HABIT : Herb
MORPHOLOGICAL CHARACTERS : Flowers are White. Flowers are lingks inshape. Leave & Stems having small hairs.Leafs are long and thin. Plant has a toproot system. Contain small fruits.
AGRICULTURE IMPORTANCE : Compete with crops for water, Nutrient &Space. It has rapped growth rate.
PROPAGATION METHOD : By seeds
METHOD OF CONTROL : By manual weeding or uprooting.
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Kadupahara• BOTANICAL NAME : Emilla sonchifolia
FAMILY : Asteraceae
COMMON NAME : Kadu Pahara
HABIT : Herb
LIFE CYCLE : An annual plant.
MORPHOLOGICAL CHARACTERS : Flowers are pink. Contain lot of branches. Smooth leaves.1.5 inch long & hairly stem.
AGRICULTURE IMPORTANCE : Compete with crops like Rubber, Coconutfor requirements. Not very harmful.
PROPAGATION METHOD : By seeds or stolons. METHOD OF CONTROL : By plaughing, hand weeding or mammoting.
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• BOTANICAL NAME : Commelina beghalensis
FAMILY : Commelinaceae
COMMON NAME : Maha Girapala
HABIT : Runners
LIFE CYCLE : An annual or perennial plant.
MORPHOLOGICAL CHARACTERS : Flowers are Blue. Flowers can be seen inthe season. Leaves are wide. Plant has wideroot system. Contain small fruits.
AGRICULTURE IMPORTANCE : Compete with crops for essentialrequirements. They can prevent soilerosion because spread allover the groundcovers it very well.
PROPAGATION METHOD : By seeds or stolons.
METHOD OF CONTROL : By manual weeding, uprooting,mammoting & using herbicides .
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Wel karabu
• Ludwigia perenis L
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Wel karabu-Ludwigia octovalvis
• Onagraceae
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Monochoria vaginalis—Diya habarala
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eichhornia crassipes
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limnocharis flava
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Maha girapala
http://butterflies.heuristron.net/pictures/mainPage/plants/host/DSC09292.JPG
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Heen girapala
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sphaeranthus indicus L.
sphaeranthus indicus L.
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Wel siyabala
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Wel anoda
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Eclipta alba
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Salvineae
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Common purslane( Genda pala)
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marsilea quadrifolia
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Common purslane( Genda pala)
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Tobacco
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Thunbergia grandiflora
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Thunbergia alata
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Thunbergia erecta