economic importance of cyperus iria

Cyperus iria is a weed of rice with widespread occurrence throughout the world. Cyperus difformis, Cyperus iria and Fimbristylis miliacea are troublesome annual sedges of rice grown in many countries. The biology, economic importance and medicinal properties of purple nutsedge are discussed. The weed has a well-developed underground system. For documenting flora of India that is being discussed on efloraofindia google e-group along with supplementing the working of the group. CIPA has been fundamental towards this trend. encycl. Tiger nut or tigernut (Cyperus esculentus L.) is an edible perennial grass-like plant native to the Old World, and is a lesser-known vegetable that produces sweet nut-like tubers known as “earth almonds”. 1:146. Google Scholar. Constituents of Aerial Parts of Cyperus capitatus L. and Cyperus difformis L. Grown Wild in Egypt, Journal of Essential Oil Bearing Plants, 20:6, 1659-1665, DOI: 10.1080/0972060X.2017.1413956 1977), and is widespread in the southeast United States (Godfrey and Wooten 1979), where it is sometimes a pest of wet fields, lawns, and irrigation ditches (Holm et al. Jump to: Common Names Economic Importance Distributional Range References Other Web References: Taxon: Cyperus eragrostis Lam. Because of concerns about excessive and injudicious use of herbicides, cultural weed management approaches that are safe and economical are needed. It therefore grows in a variety of different habitats and environments. It is principally a weed of rice around the world but Holm et al. Despite recent advances in molecular phylogenetic studies, deep evolutionary relationships in Cyperaceae are still not entirely resolved. Thanks to its antioxidant properties, antimicrobial abilities, and more, this herbal powerhouse may actually hold the key to many diseases and health niggles you’re dealing with. Dept of Pharmacology, Maratha Mandal’s College of Cyperus iria is a tufted weed with a yellowish brown to greenish crowded inflorescence (IRRI). 4(Heft 101): 151. INTRODUCTION. This plant is native to southern Europe, most of Africa, Asia, and Australia, and it is naturalized in other areas of the world (Holm et al., 1991). Tiger nut is also known by various other names as chufa (in Spanish), earth nut, yellow nut sedge, groundnut, rush nut, and edible galingale. It is the world worst weed native to India. the most important weeds are those that have the greatest economic impact through reduction in crop yield, interference, or reduced efficiency or quality of harvest. Common name. Cyperus iria forma chrysomelinus Cyperus iria Linnaeus, forma chrysomelinus (Link) Kükenthal, in Engler, Pflanzenr. It is also a weed of sugarcane in Australia (Holm et al. The tubers of Eleocharis tuberosa are also edible. INTRODUCTION Cyperus iria L. commonly known as rice fl at sedge, is principally a weed of rice (Oryza sativa) through out the world. Small flower umbrella plant (Cyperus difformis) produces large quantities of seed and can complete life cycle in about 30 days. Pedology is the scientific study of soil properties. ix CONTENTS Guide to Weed Species Listed. 1977). 2. Simpson DA and Inglis CA 2010 Cyperaceae of Economic, Ethnobotanical and Horticultural Importance: A Checklist bublication Kew Bulletin 56 257-360. Cyperaceae. Latin name. C. alulatus can be seen 15 cm to 100 cm tall bearing spikes , in C. iria I am yet to see a less than 30 cm plant with spike. Genus: Cyperus: Family: Cyperaceae: Subfamily: Cyperoideae: Tribe: Cypereae: Nomen number: 400180: Place of publication: Tabl. Chlorocyperus iria (L.) Rikl, Cyperus microiria Steud., C. microlepis Baker, C. panicoides Lam., C. santonici Rottb. More than 1800 plant species were reported as weeds of rice in Asia according to Moody (1989). Post-emergent application of imazethapyr is effective against nutsedge with almost 70 % efficiency. Millions of people living in the vicinity of Papyrus swamps depend on Papyrus for their livelihood, Morrison et al., 2011. Further, Criconemella onoensis is a rice nematode which uses C. iria … Ricefield flatsedge (Cyperus iria L.), a troublesome weed in rice production, actively adapts to ecological niches. The wide occurrence of these species enforces the need to intensify research efforts on the economic values and niche preferences of these individual belonging to taxonomically difficult but highly interesting plant family. Economic Value & Uses Local uses . Also occurs in bananas, cassava, groundnuts, maize, pastures, pineapples, sweet potatoes, tea and vegetables. The tubers yield 25 to 30% oil of pleasant taste. It grows in small clump up to 100cm high. AN OVERVIEW OF NUT GRASS (CYPERUS ROTUNDUS) WITH SPECIAL REFERENCE TO AYUSH Abstract- Cyperus rotundus Linn belong to the family Cyperaceae. BASIONYM: Cyperus chrysomelinus Link 1827. About 8000 species, or approximately 3% of the total number of plant species worldwide, have been … 1791: Link to protologue: Name Verified on: 10-Dec-2009 by ARS Systematic Botanists. Because of concerns about excessive and injudicious use of herbicides, cultural weed management approaches that are safe and economical are needed. The most important One of the most phylogenetically informative structures in Cyperaceae are the embryos. The Cape Iria wreck, dated some time before or after 1200 B.C., contained a number of large Cypriot pithoi. Cyperus iria L. is one of the three most common weeds of rice in Sri Lanka, India, and Philippines, reported by Holm et al. Cyperus iria is a weed of rice with widespread occurrence throughout the world. Rationale Classification of weeds. recommendation of economical and environment-friendly methods of control. Geographical distribution A dominant weed in direct-seeded rice when it occurs in high plant densities; forms dense mats of vegetation in the young crop and can cause rice yield losses of 12—50%. Fodder: Many species of Cyperus are taken by cattle as fodder. Cyperus iria L. Family. Cyperus iria is an annual herbaceous sedge, tufted and tall, mainly a problem in the rice fields of Asia.This species is distinguished by its yellowish red fibrous roots; its yellowish, usually open inflorescence and by the lowest bract of the flower always being longer than the inflorescence. Food: The tubers of Cyperus esculentus (H. Kaseru) are used as food due to their high oil content. Nut grass, musta, or Cyperus rotundus is often dismissed by the untrained eye as a pesky weed. Developing such approaches will require a better understanding of weed biology and ecology, as well as of weed response to increases in crop density and nutrition. Rao, et al. Based on morphology Based on life … Cyperus difformis is a species of sedge known by several common names, including variable flatsedge and smallflower umbrella-sedge. Principally a weed of rice around the world causing 40% yield reductions; predominantly affecting lowland and irrigated rice fields, but of lesser importance in upland rice. Cyperus iria common names, economics importance, distributional range and more in the USDA GRIN website - See link. The extensive distribution of the nut-grass is due to its ability to adapt to a wide range of soil types, altitudes, temperatures, soil pH and moisture levels. Cyperus esculentus (also called chufa, tigernut, atadwe, yellow nutsedge, and earth almond) is a crop of the sedge family widespread across much of the world. 1935. Selective pre-emergence herbicides hardly control nutsedge. Cyperus iria were the most densely populated weeds in 2013. In India, the juice of C. iria is used as tonic and to treat stomach aches. C. iria is rated by Holm et al. It is found in most of the Eastern Hemisphere, including Southern Europe, Africa and Madagascar, as well as the Middle East and the Indian subcontinent. The agricultural importance of this weed is reviewed. Synonyms. But the small, aromatic tuber of this perennial herb is a potent ayurvedic and traditional medicine remedy. Rice flatsedge and umbrella sedge. 3. Cyperus iria Cyperus iria spikelets hang loose , in C. alulatus they are always stiff, perpendicular to the axis/ rachis ...both pretty common in Surat. It is a principal weed in Indonesia and Japan and a common weed in Fiji, Thailand and the USA. . Cypriot, Mycenaean and Creto-Mycenaean pottery in the cargo point to different provenances. The business services sector remains the fastest growing sector of the economy, and had overtaken all other sectors in importance. The most important weeds in the 2012 were E. colona followed by D. horizontallis and C. difformis while in 2013 the importance value index (IVI) revealed that the most important weeds within the community were D. horizontallis, E. colona and C. iria. viii. Search PubMed (US National Library of Medicine National Institutes of Health) for academic researches with the search term Cyperus iria - See link . Juvenile hormones are a group of structurally related sesquiterpenoids that regulate critical physiological processes including metamorphosis and reproduction in most insect species (Gilbert et al., 1996).Juvenile hormone III (JH III), methyl-10R,11-epoxy-3,7,11-trimethyl-2E,6E-dodecadienoate, has also been identified in the sedge Cyperus iria (Toong et al., 1988). 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