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Chapter X: Productive Potential of Fenugreek (Fabaceae: Trigonella Foenum-Graecum L

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Chapter X: Productive Potential of Fenugreek (Fabaceae: Trigonella Foenum-Graecum L AMERICAN OPEN ACCESS JOUROF SOCIAL ISSUES AND HUMANITIESNAL PRODUCTIVE POTENTIAL OF FENUGREEK (FABACEAE: TRIGONELLA FOENUM-GRAECUM L.) IN VENEZUELA Judith Petit-Aldana1*, Eliana Noguera-Savelli2, William Cetzal-Ix3, Francisco Solorio-Sanchez4 and Angel Infante-Cruz5 1Universidad de Los Andes (ULA), Facultad de Ciencias Forestales, Escuela Técnica Superior Forestal, Av. Chorros de Milla, Núcleo Forestal. Edf. A. Mérida 5101, Mérida, Venezuela. *[email protected]; 2El Colegio de la Frontera Sur (ECOSUR), División de Conservación de la Biodiversidad, Departamento de Ecología y Sistemática Terrestre, San Cristóbal de Las Casas 29290, Chiapas, México; 3Herbario CICY, Centro de Investigación Científica de Yucatán, A. C., Calle 43. No. 130. Col. Chuburná de Hidalgo, 97200 Mérida, Yucatán, México; 4Universidad Autónoma de Yucatán, Campus de Ciencias Biológicas y Agropecuarias Km. 15.5 Carretera Mérida-Xmatkuil, C.P. 97100. Mérida, Yucatán, México 5Fundación para el Desarrollo de la Ciencia y la Tecnología del estado Mérida (Fundacite- Mérida). Avenida Alberto Carnevali. La Hechicera. Mérida, 5101 Venezuela; Abstract A bibliographical review about fenugreek (Trigonella foenum-graecum L.) botanical description, growth, and production was carried out, as well as its chemical composition, forage and medicinal quality with the goal to evaluate adaptation possibilities of this species to some ecoregions of Venezuela. Descriptions related to climate, vegetation, slope types and soils in Venezuela have been made, which are compared to fenugreek adaptation in other regions of the world. According to morphological characteristics and suitable conditions of altitude to introduce this species as a crop, it is necessary to identify seed sources more reliable and carry out quality site studies that identify appropriate areas to establish this species under crop production. Keywords: Fenugreek, Trigonella foenum-graecum L., medicinal, forage, Venezuela Abbreviations: ADF: Acid detergent fiber; DM: dry matter; CP: crude protein; IVDMD: in vitro digestibility of dry matter; NDF: neutral detergent fiber; SEM: standard error of the mean. INTRODUCTION for animals and wild life in the planet [1]. Plants are worldwide recognized as a vital Genetic diversity provides with species the component of biological diversity and world capability to adapt to different sustainability. Thousands of wild plants environments, including new pests and have a great economic and cultural diseases [2], as well as to new climatic importance, providing food, medicine, fuel, conditions and stress factors [3, 4]. clothing and shelter for human beings. They Phytogenetic resources provide raw material also play a role in maintaining to cultivate new crop varieties [5, 4]. These, environmental equilibrium of the Earth and at the same time, provide with a basis for ecosystem stability, providing with habitat production system more capable and AJSIH | ISSN: 2276 – 6928 Fenugreek Special Issue Mar/Apr 2014 | Editors: S. K. Basu & G. Agoramoorthy | 96 AMERICAN OPEN ACCESS JOUROF SOCIAL ISSUES AND HUMANITIESNAL resistant which faces pests and diseases, as species, in this sense Tutin and Heywood well as drought conditions and overpasture, [23] considered the genus into three among others [6, 7]. Fenugreek (Trigonella subgenera: Trigonella, Trifoliastrum, and foenum-graecum L.) is an annual Foenumgraecum. These subgenera are leguminous plant whose seed is traditionally recognized with based on characters of the used for condiments, artificial flavoring and shape and outline of calyx and pod. On the hormone production [8-15]. The crop is other hand, Furry [24] divided cultivated currently developed in India and places of species according to corolla color and calyx West Asia, North of Africa, Mediterranean characteristics. Ingham [25] created three Europe, Australia, Argentina, United States groups within Trigonella, based on its of America and Canada [11]. Additionally, capability results to release cumarine in fenugreek presents a set of characteristics macerated tissues. However, these suitable for rapid adaptation to different soil classifications do not permit understanding and climatic conditions, growth, potential of the genus natural history, for that reason resistance to drought and local diseases, is necessary phylogenetic systematic studies which become an interesting species from an for knowledge of species and their utilization point of view as a “forage crop”. relationships. Several authors have studied The objective of this review has been to the taxonomy of the genus for regions or investigate botanical, agronomic, countries [18, 26, 27] as well as aspects of biochemical and medicinal aspects of morphology, cytology, and pollen [16, 27- fenugreek crop with the goals to evaluate 34]. The genus Trigonella has a wide possibilities of introduction of the crop in diversity of species, including among these suitable ecoregions of Venezuela as a to T. foenum-graecum which is the most potential forage crop. popular species in the genus by its countless uses and properties. The taxonomic position TAXONOMY of this species is described below based on The genus Trigonella L. (Fabaceae) is Snehlata and Payal [35]: composed of annual or perennial herbs, with pinnate leaves, trifoliate, fragrant, and Kingdom: Plantae legumes that are characteristic of the family. Division: Magnoliophyta Trigonella species are widely distributed in Class: Magnoliopsida the dry regions around Mediterranean, West Order: Fabales of Asia, Europe, North and South Africa, Family: Fabaceae North America, and South Australia [16]. Genus: Trigonella There has been much controversy regarding Species: foenum-graecum Linn. the number of species, which includes the genus, Fazli [17] considered 97 species, This species was described by Linnaeus in Vasil’chencko [18] recognized 128 species, 1753 in his book “Species plantarum”; Hector [19] and Hutchinson [20] recorded however, after the original description were about 70 species. In recent studies, Martin et published other homonyms for this species: al. [21] included approximately 100 species 1. Trigonella foenum-graecum Suter Fl. and Govaerts et al. [22] recognized about 93 Helv. ed. Hegetschw. 2: 149. 1822; species. However, the exact number depends 2. Trigonella foenum-graecum Sibth. & Sm. on accepted synonymies. Several authors Flora Graeca 8: 48, pl. 766. 1833; have proposed artificial classifications 3. Trigonella foenum-graecum [Habl.] Desc. within the genus to recognize groups of Taur. 138. Without specific year [36]. AJSIH | ISSN: 2276 – 6928 Fenugreek Special Issue Mar/Apr 2014 | Editors: S. K. Basu & G. Agoramoorthy | 97 AMERICAN OPEN ACCESS JOUROF SOCIAL ISSUES AND HUMANITIESNAL ETYMOLOGY calcium, iron, ß-carotene and others The origin of the name Trigonella comes vitamins [42]. The petioles and the blade of from Latin that means “small triangle” in the leaflets are anthocyanin-tinged to a reference to triangular form of flowers. The varying degree of green. Flowers in leaf specific epithet foenum-graecum means axils, more rarely solitary. Calyx 6-8 mm, “Greek hay”. Romans obtained this plant soft hairy with teeth as long as the tube, half from Greece, where it was a crop very as long as the corolla. Corolla 13-19 mm common in ancient times, hence its name. It long pale yellow (white at the end of also was named “bull horn” or “goat horn” flowering period). Sometimes is lilac because of projection of pods, which hold coloured at the base. Standard tend seeds [37]. Some common names in backwards oblong emarginated at apex with different languages for this species are: bluish spots (these spots are absent from Abish, Alforva, Alholva, Boidana, some genotypes), wings half as long as the Fenegriek, Fenigrec, Fenogreco, Fenogrego, standard: keel obtuse, split at base. Pods are Fenugrec, Fenugreek, Fieno Greco, 10-18 cm long and 3.5 x 5.0 cm broad, Grezsezki, Hhelbah, Hhelbeh, Hulabah, curved, rarely straight, with transient hairs. Hulba, K’u-Tou, Khul’ba, Koroba, Methi, Before ripening the pod is green or reddish Moschositaro, Pazhitnik, Pazsitnyik, coloured, when ripe turn into light straw or Schemlit, Senegre, Shambala, Shambalilae, brown containing 10-20 seeds. Seeds vary Szeno, Tili, Tintelis, Tipilina,Trigonelle, from rectangular to rounded in outline with Trigoniskos,Tsimeni,Ul’ba [35, 37-39]. Its a deep groove between the radical and great popularity ought to that it is a species cotyledons, the length is 3.5-6.0 mm and the of medicinal plants more ancient, width 2.5-4.0 mm, light grayish, brown, particularly in India, where it is used in olive green or cinnamon coloured, with a Ayurveda medicine and Unami Systems pronounced radical that is half the length of [39], moreover, it is currently known by its the cotyledons. The seed coat characters properties for condiments, dyeing and have provided an approach to the systematic especially as a forage plant. relationships among the species of the Trigonella [43-46]. The seeds are very big MORPHOLOGY importance because contain lysine and L- The description of T. foenum-graecum is Tryptophan rich proteins, mucilaginous fiber based on Sinskaya [40], Hutchinson [20]; and other rare chemical constituents such as Tutin and Heydwood [23], Fazli and saponins, coumarin, fenugreekine, nicotinic Hardman [41], and Petropulus [38]. Stems acid, sapogenins, phytic acid, scopoletin and 20-230 cm long, straight, rarely ascending, trigonelline, which are thought to account branching, rarely simple, sparsely for many of
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