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Pteridophytes commonly known as Vascular Cryptogams, are the seedless vascular plants that evolved after bryophytes. (iv) Flowers arranged in compound strobili or inflorescence, (v) Embryo with 2 Cotyledons. Botanical Journal of the Linnean Society 118: 123-137. Gnetum africanum Welw. Title: Economic Importance Of Gymnosperms 1 Economic Importance Of Gymnosperms Submitted By Dr. Madhumita Bhattacharjee Assis tant Professor (Botany) Govt. This trade has recently increased drastically into a multimillion dollar trade involving a wide range of people resulting in significant increased in the demand for the species from the wild. The Pteridophytes are an economically important group of plants. The leaves contain high nutritional values as both species contain eight essential amino acids in significant quantities (Mialoundama 1993). Economic Importance of Gnetum: 1. In a single local market in Limbe, Cameroon, Gnetum trade has an annual turnover of over one hundred thousand US dollars. There are two gametes in male gametophyte of Gymnosperms, but only one of the gamete is functional. This is mainly as a result of poor harvesting practices, over-exploitation, and the gradual replacement of the habitat in which the species thrive. Economic importance of gymnosperm. Economic Importance. Economics teaches us the importance of economic activities by which resources in the form of goods and services are produced for the satisfaction of wants. Podocarpus sp. It is widely distributed in tropical and sub tropical region of eastern hemisphere of the world. and G.buchholzianum Engl.) The non-wood Forest Products of Central Africa: Current Research Issues and Prospects for Conservation and Development. There are several economic Importance of algae such as they are used as a food source, a fodder, in fish farming, as a fertilizer and they also used in medical industries. There are uses for all parts of the Ginkgo tree. Pteridophytes are also used as a medicine. and G. buchholzianum Engl.) At each pilot farm a propagator was constructed to produce seedlings to serve a number of farmers. Uses of Gymnosperms.  young leaves of Cycas cooked as vegetables. Ephedra, Gnetum and Welwitschia. Journal History This article was published in the Botanical Gazette (1876-1991), which is continued by International Journal of Plant Sciences (1992-present). Nigeria Field 49 (1-4). The emphasis of the domestication process was to develop a technology that can be integrated into the existing farming systems. . Fatty oils. The strongest Indian coniferous wood is used for making Railway slippers is deodar wood obtained from Cedrus Deodara. Nigeria, Cameroon, Central African Republic (CAR), Gabon, Congo, Democratic Republic of Congo and Angola (Lowe 1984, Mialounda 1993). If nothing is done, Gnetum will not continue to be a source of livelihood to thousands of people, most of whom are women. Gnetum is a family of gymnosperms, the sole genus in the family Gnetaceae and order Gnetales. Economic importance includes a traditional use as a tea (Mormon tea) in s.w. . It is used widely in Kerala and Assam. This paper focuses on the species diversity and economic importance (e.g. The harvesting of the leaves involves cutting the whole plant from the base, or completely uprooting, and then the vines are pulled down from the canopy. Gnetum is very important in terms of its social, cultural, medicinal, nutritional and, above all, economic values. kaffir bread’ prepared from the stem … It provides jobs for the youths that are involved at all stages of the process - harvesting, loading, transportation etc. Kew. It is prepared into flour and cooked before … Gnetum montanum possesses pesticidal properties. 1. Essential Oils ; Medicinal Uses . 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January 9, 2021