4. Economic Importance of Plant Viruses Viruses cause serious disease of crop plants reducing both quality and quantity of final produce. A few species of lichens have been used in the medieval times as a cure for jaundice, fevers, diarrhoea, epilepsy and various skin diseases. Organisms in the kingdom Fungi are eukaryotic, comprised of hyphae or yeast cells, and reproduce by sexual or asexual spores ( Figure 2) dispersed by rain splash, wind, humans, animals, seed, and soil movement. White rust is a minor disease of sweetpotato, present only on certain cultivars. Plant body is filamentous, coenocytic and branched. Economic importance of any organism refers to the advantages and disadvantages of that organism to nature, the humans and the environment. They are distributed in humid temperate and tropical rain forests. 1. 1 Food plant Musa paradisiaca. Bacteria are economically important as these microorganisms are used by humans for many purposes. Genus Vaucheria Tahir Shahzad (02) B.S Botany 5th (Reg) 2. The type species of the genus is Vaucheria disperma. However, it is an established fact that they are excellent sources of vitamins and minerals. Here are your notes on Genus Vaucheria! Some of the important viral diseases are: Tobacco mosaic virus, Tomato mosaic, Tomato spotted wilt, Potato leaf roll, Potato virus X and Y in Potato, Papaya [] Above all, it is pleasing to know that Mushrooms grow on clean, but otherwise water material. Important plant diseases of Bihar, Etiology, symptoms and control of the following diseases: (a) Late blight of potato (b) Loose smut of wheat Unicellular forms are absent. (b) Differentiate between the following (ii) (iii) (iv) Heartwood and Sapwood Protoxylem and Mata xylem Typically, the method is by means of large multi-flagellate zoospores, each being formed singly within a club-shaped zoosporangium developed at the apex of a branch. Algae Examples with What is a Cell, What is DNA, Carbon Cycle, Human Digestive System, Human Heart, Transpiration, Animal Cell, Biomolecules, Biofertilizers etc. It has antihepatotoxic (Raghavendra Rao et al., 2004), anticoagulant (Nisizawa, 2002), analgesic and anti-inflammatory (Hong et al., 2011) effects, which, if exploited, can be a potential source of pharmaceutically important compounds. Ceramiales Family. India has a huge acreage of susceptible B. juncea and some other oilseed crucifers and is the world's hottest spot for the disease caused by A. candida. The body consists of a branched filamentous structure in lower forms (e.g., Ectoearpus) and parenchymatous structure in higher forms (e.g., Sargassum, Laminaria, Fucus, Macrocystis). But it is not a durable timber and is readily attacked by wood borers, white ants and decay. Genus Selaginella . e.g. An official website of the United States government. Meaning of Algae: Although Linnaeus (1753) first introduced the name Algae, but by Algae he meant the Hepaticae. (12h) UNIT II: Fugi and Lichens: General characteristics, classification and economic importance of fungi. Economic Importance of Algae 29. Occurrence: Majority of the species of Vaucheria are either aquatic or terrestrial. They have specialized teeth. Toxins of Algae 31. 1. This economic intelligence or knowledge It is found nearly worldwide, especially in lakes, canals, and wetlands. In view of their high food value to man and their medicinal properties mushrooms can help in solving the problems of malnutrition and diseases. An official website of the United States government. 3. Vaucheria. Reproduction occurs by zoospores, aplanospores, and akinetes. Economic Importance of The Family Musaceae. Vaucheria is a chl. (ii) Uses in space research Chlorella can be used in prolonged space fight for food, oxygen, disposal of carbon dioxide, organic matter. vaucheria: [noun] a genus of green algae (family Vaucheriaceae) that have a thallus consisting of a single elongated irregularly branched multinucleate cell attached to the substratum by rhizoids, reproduce both sexually and asexually, and live in fresh or brackish water or on damp ground where they often form a green tangled mat. Vaucheria, genus of yellow-green algae (family Vaucheriaceae), found nearly worldwide. Volvox ,Oedogonium). We com monly found V. compacta in the same mud samples as V. velutina Latex rubefacient and purgative; useful in treatments for itch, rheumatism, and gum troubles. The Economic importance of Pteridophyte is given in Table 2.4 . Chara baltica grows in saline water. Studying economics also allows people to learn how to manage and most effectively use scare and finite resources Vaucheria exhibits apical growth from the tip of filaments forming mats in either terrestrial or freshwater environments. The algae were fed, multiplied, and observed daily for eight weeks. Asexual reproduction: By a variety of motile or non-motile spores. Vaucheria de Candolle 1801 ( Fig. According to Williams, Hanatsche and Gross the life cycle of Vaucheria is haplontic, the oospore being the only diploid structure in life cycle (Figs. Vegetative reproduction: Cell division, fission, fragmentation, Hormogonia, formation of adventitious branches, tubers, buddings etc. Economic Importance. Starch Ensete ventricosum. Economic Importance Mushrooms are popular for their delicacy and flavor rather than food. It is one of only two genera in the family Vaucheriaceae. Culturing of algae 30. a and c containing coenocytic tip-growing alga. The processing of sugar-based solutions and creates ethyl ethanol and carbon dioxide. Vaucheria 3. It is also used in the winemaking or brewing industries to make alcohol and other by-products like carbon dioxide. Scytonema. Industrial Importance of bacteria and fungi. 5. Consequently, this results in the formation of zygotes. It is one of only two genera in the family Vaucheriaceae. World production of cassava root was estimated to be 184 million tonnes in 2002, rising to 230 million tonnes in 2008 (FAO). Economic importance of crop pest simple refers to the impacts of pest to crops, farmers and the nation at large. The psbA-rbcL spacer, upstream of the rbcL gene, and the RUBISCO 14DK) Vaucheria is commonly known as water felt; the sparsely branched or unbranched coenocytic filaments often form feltlike mats. 8, 9). Some algae are marine, e.g. The thallus is often encrusted with calcium and magnesium carbonate. Animesh Sahoo. The actual delimitation of a group of plants from their macroscopical features and naming as Algae was done by A. L. De Jussieu (1789). 2. Fungi are an important group of plant pathogens that cause a high proportion of plant diseases. 9. *It is majorly used in Ayurvedic medicine. Branching is monopodial but appears dichotomous 3. Beneficial Roles or Useful Activities. Oscillatoria and Simonsiella live as mild parasites in the intestine of man and other animals. *Fever can be eliminated by taking it. 1. This oogonium contains a single egg. Describe different kinds of stele. Plant body of Vaucheria (a) What are different types of Lichens? GROUP-B 8. The chromatoplasts are green-yellow, but not truly yellow. ii) Fungi are used in laboratory. The beneficial uses of bacteria include the production of traditional foods such as fudge, yogurt, cheese, and vinegar. Only few species are found as plankton in sea water. E. Subashini, 18PY16, I PG (Micrbiology) 2. Species of the algal genus Vaucheria routinely leave seed banks of propagules in riparian sediments for regrowth during optimal conditions in the habitat. Vaucheria is a genus of Xanthophyceae or yellow-green algae. Before 1899 there were so few species known that they were categorized with the Chlorophyta (green algae). Microbes are also important in agriculture for the compost and fertilizer production. Journal History This article was published in the Botanical Gazette (1876-1991), which is continued by International Journal of Plant Sciences (1992-present). paper discusses the techno-economics of various cultivation systems, as well as the importance of community empowerment, as a guide to the form ulation of a roadm ap for the int egration of seaweed Majority of the brown algae are marine. 6. Order Charales . Algae, are also found on bark of trees, walls and stones etc. Zoospore, aplanospore, hypnospore, tetraspore, Some species live as aerophytes in humid places, on branches or in between mosses, or with other algae in the soil. 1. Medicinal plant. Find the perfect Embedded in the wall black & white image. The complete rbcL gene was sequenced for 21 species and 32 strains of Vaucheria and for five other Xanthophyceae (Asterosiphon dichotomus (Ktzing) Rieth, Botrydium becharianum Vischer, B. cystosum Vischer, B. stoloniferum Mitra, Tribonema intermixtum Pascher). Important plant diseases of Bihar, Etiology, symptoms and control of the following diseases: (a) Late blight of potato (b) Loose smut of wheat M. O. P. Iyengar, Professor F.E. 6. Please read on the prevention and control of crop pests here . A. candida has a worldwide distribution but is of significant economic importance only in certain countries on certain crops. Here are your notes on Genus Vaucheria! There are about 40 species in this genus. Majority of them are fresh water in habit and about half a dozen are marine. Majority of the species of Vaucheria are either aquatic or terrestrial. The terrestrial species are found upon damp soils and muds in yellowish green velvet-like carpets. A Major Source of Revenue for the Nation. Outlined below are some benefits of crude oil in Nigeria. Legumes provide many benefits including: food; fodder; forage; soil stabilization and improvement; timber and wood products; industrial products; Vaucheria has made for itself a lasting place as an important type for study in the laboratory. Vaucheria: Salient Features, Occurrence, Thallus Structure, Reproduction. Fritsch 32. Order Selaginellales . Economic Importance. Economic Value U. reticulata has a range of potential nutritional and health benefits. Bees are not only important for ecological reasons, but also for social and economic development of rural and urban communities. Origin and Evolution of Sex in Algae 28. Xanthophyceae (Yellow-green algae) occur mostly in fresh water, especially at the surface or as epiphytes. Login . *Blood can be purified by its use. The algae can be found in almost any wetland habitat, including mudflats, salt marshes, estuaries, wet farmlands, and pond fringes. Food obtained from Laminaria saccharine is known as kombu. Family Characeae . The majority of production in 2002 was in Africa, where 99.1 million tonnes were grown; 51.5 million tonnes were grown in Asia and 33.2 million tonnes in Latin America and the Caribbean. Economists provide data and forecasting to help businesses and policymakers make better decisions. Selaginella . Nemalionales Family. Vaucheria de Candolle 1801 ( Fig. Translate PDF. Vaucheria thallus is haploid. Fermentation of Alcohol. Heres how you know The supposed medicinal benefits of lichens are now known to have no scientific basis. What does vaucheria mean? Legumes are the second only to cereal grains (grasses) in importance for human nutrition. Despite the fact that some bacteria cells play harmful roles, such as causing disease and spoiling food, the economic importance of bacteria includes both their useful and harmful aspects. Economic importance. There are various methods of asexual reproduction. Honey 2. Heres how you know Economic Importance. Typically, the method is by means of large multi-flagellate zoospores, each being formed singly within a club-shaped zoosporangium developed at the apex of a branch. 2. Vaucheria reproduces both asexually and sexually. Crude oil production accounts for 90% of the nations export revenues. The edible brown algae are also used as fodder. Parts of Asia, Caribbean, Europe, Pacific Islands, South America and North America. The economic impact of Echinoderms is primarily local. Vaucheria is a freshwater green alga of the class Xanthophyceae. Figures 2c-f This species was previously reported in New England from Massachusetts (Blum and Conover, 1953; Webber, 1975) and Connecticut (as Vaucheria piloboloides, Collins 1900). 9. Beneficial effects of Bacteria: Bacteria play important roles in different fields such as agriculture, industry Reproduction in algae: Algae reproduce by three methods: (1). 1.1 (Vaucheria) 1.2 (Systematic Position) : Notes. They have hair on the body. Vaucheria compacta (Collins) Collins ex W. R. Taylor 1937, p. 226. It remains attached to the substratum by rhizoids. 3. 5. Yellow green filamentous alga 2. Eg. Economics and economic education are important for providing people with valuable insight into how foreign and domestic markets operate, which allows them to make reasoned and rational choices for short-term and long-term financial benefits. They have mammary glands. Pechay has 30 percent of the average daily value for vitamin C in a 3 oz serving, C, you need more laborer to do the work and they can also earn money, K, This is use as main ingredients in cooking foods, vegetables are the main source of our food. are russet potatoes good for stew; approved general business courses lsu; smugglers' notch november; inav position hold tuning Microbial degradation of agricultural produce in storage. Department of Environmental and Plant Biology, Ohio University, Athens, OH Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. Family Selaginellaceae . Vaucheria is a genus of Xanthophyceae or yellow-green algae. (37-47%) and less seed (17-32%). Wax *Honey is very nutritious food that has medicinal value. There are about 600 species of Xanthophyceae, all but three (Botrydium, Tribonema and Vaucheria) of the species are very rare. A number of brown algae are used as food in some countries, e.g., Laminaria, Macrocystis, Sargassum, Alaria, Durvillea, Pelvettia, etc. (a) What do you know about Stellar System? Around 50,000 tons of sea urchins are captured each year, the gonads of which are consumed particularly in Japan, Peru and in France. Algae are found inside the soil upto one metre depth. Check back soon for updates! This page is under construction. Essay # 1. 1. DIVERSITY OF MAMMALS Modern mammals have following characteristics: 1. 1. Genus Chara Chara is commonly called as stone wort It is a submerged aquatic freshwater alga growing attached to the mud of the lakes and slow running streams. The often macroscopic cells contain a large number of discoid plastids, with or without pyrenoids. They are described as below. Aquatic as well as terrestrial 2. Various kinds of algae grow on damp soil, e.g. & Miller, E. J. The terrestrial species remain attached to the substratum by colorless rhizoids. Root cathartic. 3. Economic importance of chlorophyceae-. Mushrooms and Morels. Les espces de Vaucheria (Xanthophyceae) provenant du Plateau de Cracovie-Czestochowa (Pologne) Mots-cls : Vaucheria, Plateau de Cracovie-Czestochowa, Pologne, source, ruisseau, rivire, tang, sol. They reduce the quality of crop produce. Used mainly for heavy packing cases, agricultural implements, posts, scantlings, rafters and inferior construction, besides it is used for fuel. Bacteria, a prokaryote and microscopic organism, have the following economic importance: 1. Estimated Reading Time: 2 mins. Special Characteristics Classification Economic importance 25. There are various methods of asexual reproduction. Vis, M. L., Hall, M. M., Machesky, N. J. Economic Importance of Fungi Fungi have both positive ad negative roles in our daily life. i) Fungi are used as food. Grows in the form of dense tufts on walls,damp garden soil, moist stagnant ponds, ditches etc. e.g. So they are our friends as well as foes (enemy). The division of an oogonial mother results in the formation of a swollen oogonium. 4. Please read on pest of agricultural importance and crops attacked here. Class Chlorophyceae . The often macroscopic cells contain a large number of discoid plastids, with or without pyrenoids. There are no records about the importance of the disease on yield. Selaginella is commonly called spike moss. Reproduction occurs by zoospores, aplanospores, and akinetes. There are about 40 species in this genus. Rhodomelaceae: Polysiphonia 27. Aquatic or terrestrial Terrestrials damp soils, Aquatic half of he dozen marine, majority in fresh water If fresh water aerated water. The type species of the genus is Vaucheria disperma. 2. Give in detail methods of reproductions in Lichens, Describe in delailThe economic importance Of fungi. Batrachospermaceae: Batrachospermum 26. Economic Importance: Bark is used as a stimulant, in decoction used as a purgative, febrifuge, and emmenagogue; also used in dropsical and venereal affections and said to be a powerful anti-herpatic. GROUP-B 8. Pechay or Bok choy. They have heterodont dentition 4. Most species occur in fresh water, though some are marine. February 17, 2022. 3. Leave a Comment / BSC, Botany, BSc 1st Year, Diversity Of Alage, Lichens And Bryophytes. Class Ligulopsida . 1. are the important vegetative reproduction methods in algae. Contents [ hide] 1 Vaucheria BSc 1st Year Botany Question Answer Notes. 14DK) Vaucheria is commonly known as water felt; the sparsely branched or unbranched coenocytic filaments often form feltlike mats. Economic importance of bacteria. 3. Chara. It may also be termed as the effects of crop pest. 5. Fungi. Sargassum and Fucus. Economic Importance. 7. They can tolerate desiccation and commonly serve to stabilize exposed mud. The terrestrial species are found upon damp soils and muds in yellowish green velvet-like carpets. 4. Economic Importance of Fungi in Industry. Pronunciation of Vaucheria with 2 audio pronunciations, 1 meaning and more for Vaucheria. Fucus and Laminaria are rich sources of iodine. The chief among them were Peltigera comana, lobaria pulmonaria and Everina. Important features and life histories of members of Xanthophyceae (Vaucheria) Phaeophyceae (Ectocarpus, Sargassum), Rhodophyceae (Batrachospermum, Polysiphonia). Division Lycophyta . 1.3 The Economic Importance of Bacteria comes from the fact that bacteria may be used by humans in a variety of useful ways.