Common Name: variable flatsedge. Family Name: Cuscutaceae Species Code: CYDI Native Range: Southern Europe, Africa, Asia, and. Whole plants, Roots fibrous; tubers dark brown to black, irregularly shaped, cm long when fully grown. Each tuber has an apical bud and several lateral buds . Plants also recover quickly after fire and can tolerate at least several weeks of deep flooding (Cook et al., ). Currently, C. dactylon is listed.
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Variation in susceptibility to graminicides within populations of Cynodon dactylon L. Revista Brasileira de Zootecnia, 32 1: Clarke Cyperus herbicavus Melliss Cyperus hexastachyos Rottb. Evans also notes that several pathogens are damaging to C. Title Shoot and inflorescence. Influence of purple nutsedge on growth and yield of taro. Contaminated soil in nursery stock is an avoidable but common method of dispersal. Establishment of Cynodon dactylon from stolon and rhizome fragments.
Morita H, Nakayama S, Plant Disease, 81 8: Cyperus melanorhizus Delile Cyperus nervosus Bertol.
Competitive effects of three perennial weeds, Cynodon dactylon L. Mangoesoekarjo compared a range of annual crops for their susceptibility to competition from C. Australian Government Publishing Service.
US Fish and Wildlife Service, b. Invasive Species Specialists Group.
Competition between Cyperus rotundus L. Agricultural importance An important and widespread weed in South and Southeast Asia. Cyperus iria is a tufted weed with a yellowish brown to greenish crowded inflorescence IRRI.
The decline of a yellow nutsedge Cyperus esculentus L. Parsons and Cuthbertson claim that C. Interference and interaction of purple and yellow nutsedges Cyperus rotundus and C. International Rice Research Institute. More information about modern web browsers can be found at http: Veterinaria, Argentina, 15 Curepe, Trinidad and Tobago: The effects of addition of urea on herbicides have been tested by El-Quesni et al.
Environmental weeds and exotic plants on Christmas Island, Indian Ocean. However, in eastern Africa there is frequent confusion with C. Apart from direct effects on yield, Mangoesoekarjo notes how the rhizomes and tubers of C. Title Shoot Caption Shoot of C.
Alismataceae to Orchidaceae Monocotyledones.
The plant can quickly regenerate if a single tuber is left in place. Weed management in direct-seeded rice. Seed Biology An annual tufted plant propagates by seeds. Growth, tuber formation and spread of Cyperus rotundus L. Chorizococcus rostellum attacked leaves and roots of C. The runners spread horizontally and bear nodes with internodes of about 10 cm length.
Journal of Agricultural and Food Chemistry.
Cpyerus was used by ancient Greek physicians TheophrastusPliny the Elderand Dioscorides as both medicine and perfume. Shanghai Science and Technology Public Company. Cyperus heermannii Buckley Cyperus helodes Schrad.
Tubers and, indeed, living shoots can be dispersed in soil attached to transplanted material, such as trees taken from a nursery.
Weeds reported in Rice in South and Southeast Asia. Also cultivators, chisels and drilling equipment allow runners and rhizomes to be distributed away from a given source.
Descriptions of the biology and ecology of C. Roots fibrous; tubers dark brown to black, irregularly shaped, cm long when fully grown. Covas G, Salvai AF, Australian Cyperhs for International Agricultural Research, pp.
Lifespan the plant lives more than two years Underground organs the plant has a rhizome a horizontal underground stem with roots growing from it the plant has one or more swollen storage organs underground, such as bulbs or tubers. Confusion commonly occurs with C.
At flowering, the achenes of C. Biomarkers and microscopic evidence fyperus C. Growth response to trichloroacteic acid and 2,2-dichloropropionic acid. Cotton may be seriously affected Sierra and Mercado,