Biochemical and nutritional studies were carried out to evaluate the potential of azolla azolla. Azolla is a floating aquatic fern, having amazing capacity for concentrating toxic heavy metals. Azolla technology combines the best of both macro fodder and single cell protein without their shortcomings and thus can be called poor mans spirulina 17. The plants are small usually only a few cm across and float, but can be very abundant and form large mats. Azolla anabaena symbiosis is the only plantcyanobacterial symbiosis used as biofertilizer in agriculture. The mosquito larvae are unable to come up for air because of the dense layer of azolla on the water surface. It is particularly common on farm dams and other still water bodies. Azolla filiculoides red azolla is the only member of this genus and of the family azollaceae in tasmania. They can be used with either curtain poles or tracks, ensuring a great fit for any window area.
Azolla pinnata spreads rapidly by vegetative growth and can form dense mats, interfering with boating, fishing and swimming. A study on the nutritive value of azolla pinnata jakraya. Azolla pinnata feathered mosquitofern is a small, nonnative, freefloating fern. Azolla growth in farm dams technical resources farm water. Lazolla faussefougere a ete introduite en europe au 19eme siecle dans. Apr 24, 2017 azolla can be fed to the livestock either in fresh or dried form. By the process of nitrogenfixation the alga is capable of fulfilling the n requirements of the association. Such low levels of gs have been suggested as a biochemical mechanism 2. Riceduck azolla system it was developed by a japanese farmer mr.
In terms of nutritive value, azolla contained 9mjme, 18% crude protein, 46% ndf, allowing the plant to fall into the forage category of feedstuffs and therefore comparable to silage and hay samples. The growth of azolla is typically reduced above 35 o c and no species can survive if temperatures remain above 45 o c for prolonged periods of time. Under optimum conditions, azolla s growth spreads across the. Azolla is a symbiotic superorganism that captures all the nitrogen fertilizer it needs to grow from the air around it. Azolla pinnata ufifas center for aquatic and invasive plants. Pdf biodiesel production from azolla filiculoides water fern. Mixture rphrases none the substancemixture is nondangerous in accordance with directives 67548eec with amendments andor 199945ec with amendments hazardous ingredients do not contain hazardous substance nor substance with european workplace exposure limits in concentration above regulatory thresholds. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. This ability stems from a symbiotic relationship azolla has. The dry matter dm content of sun dried azolla meal was 89. An azolla plant consists of a short, branched, floating stem, bearing roots which hang down in the water.
Une variete est parfois decrite, azolla filiculoides var. Utilization of azolla microphylla as feed supplement for. Azolla nutritional values the following nutritional values for fresh and dry azolla as a livestock feed are from feedipedia. Azolla, food supplementary for your animals or pets for free. The azolla group, which contains only 6 or 7 species, are the smallest ferns in the world. Asias farmers have long known this, growing azolla together with rice to provide a natural fertilizer to bolster rice productivity. Azolla is also able to tolerant a wide range of temperatures and some species can survive in temperatures as low as 5 o c. Sun dried azolla sample was analyzed for proximate principles. Azolla azolla caroliniana azolla pond plants online. Azolla large 12 lb portions covers approximately 2 sq. Environmental requirements azolla is found in ponds, ditches, and wetlands of warmtemperate and tropical regions throughout the world. Azolla has also proved useful in the biological control of mosquitos.
Azolla grows very quickly in ponds and buckets, and in makes an excellent fertilizer green manure and garden mulch. It is a very common native aquatic plant in tasmania. Riceduckazolla system it was developed by a japanese farmer mr. Nobanis invasive alien species fact sheet azolla filiculoides author of this species fact sheet. Azolla is an unusual fern in being both aquatic and having a nitrogenfixing endophyte figure 1b. Azolla, mosquito fern, floating plant, identification, identify, characteristics, photo, picture, scientific name, description, range, distribution, map, invasive. Azolla filiculoides water fern is a species of azolla, native to warm temperate and tropical regions of the americas as well as most of the old world including asia and australia. Efektivitas pengelolaan pupuk organik, npk, dan pupuk. Azolla definition is a genus of minute water ferns family salviniaceae having a sporophyte consisting of pinnately branching stems with small distichous 2lobed leaves. Azolla an alternate and sustainable feed for livestock 1155 8.
Azollaanabaena symbiosisfrom traditional agriculture to. Pdf culture of azolla filiculoides in artificial conditions. Highly trended partition system for simple look and modern design. Effect of light intensity and temperature on the growth ofazolla filiculoides. L azolla faussefougere colonise les milieux stagnants ou a faible courant ou tels. Pencil pleat consists of tightly gathered folds that retain their shape by a cord being pulled on the heading tape. Yield of azolla azolla produces around 810 tonnes of green mass which is equal to 2530 kg n2 which is again equal to 5566 kg of. Azolla is a nitrogenharboring true fern and it will multiply. Nobanis invasive alien species fact sheet azolla filiculoides. Azolla pinnata est une petite fougere aquatique flottante originaire du sudest asiatique a. Telecharger le fichier original par anthony ntendele.
Azolla anabaena symbiosis cyanobacterial symbionts generally have low or undetectable levels of gs and only 10% of gs activity of the association is attributed to the endosymbiont ray et al, 1978. Feedipedia is an open access information system on animal feed resources that provides information on nature, occurrence, chemical composition, nutritional value and safe. Azolla fiche didentite, varietes, plantation, culture, entretien et. Being aquatic, it is not strictly relevant to a discussion on soils, but, as it has been and still is widely used as a nitrogen fertilizer for wetland rice, it will be mentioned. Azolla will rapidly grow and fill the pit within 1015 days and about 500 gms 600 gms of azolla can be harvested daily thereafter. Azolla caroliniana is a species of azolla it is native to america, argentina, and uruguay. Chemical composition and the feeding value of azolla azolla pinnata meal for eggtype chicks o. Plants profile for azolla filiculoides pacific mosquitofern. Azolla faussefilicule, azolla faussefougere, fougere deau, mousse des fees. Executive summary azolla plant rated against alternative stockfeed options. Biodiesel production from azolla filiculoides water fern. Pdf biodiesel production from azolla filiculoides water. The absece of needed nutritence, right temprerature and sunlight changes colour from green to the redbrown change of colour what is azolla.
Azolla is susceptible to attack by pests such as lepidopterous or dipterous insects or fungal diseases, particularly during hot, humid periods, and snails are a common pest for azolla plants grown in rice fields. Culture of azolla filiculoides in artificial conditions. It is a freshwater plant aquatic fern, with scalelike frond 510mm long, green to reddish, most often reddish in strong light and in winter. These report dealt with research on fish and domestic animals, in which normal feed protein sources have been replaced by azolla meal on an isonitrogenous basis. Azolla has several names azolla caroliniana or its more common names fairy moss or mosquito fern. Azolla concept partition office partition malaysia. The occurrence of a vigorously growing population of azolla in a farm dam generally indicates high nutrient levels in the water. Azolla, a little fern with massive green potential experiment. Pesticides different pesticides have varying effects on azolla. It can be given directly or mixed with concentrates. Iyayi department of animal science, faculty of agriculture and forestry, university of ibadan, ibadan, nigeria abstract. Azolla will turn red during the spring and again in fall when water temperatures are cooler. Two azolla species, azolla filiculoides and azolla pinnata, were used as feedstock for the production of. In vitro digestability data showed that azolla was readily degraded by rumen microorganisms and indicated its possible usefulness as a protein source for ruminants.
This floating pond plant is a true fern having leaves that are finely toothed. A mixture of 20 gms of super phosphate and about 1 kg of cow dung should be added once in 5 days. The mats that form on the waters surface can be 30cm thick, and during hot weather, can double in size in just 4 or 5 days. He has been practicing rice and hybrid duck culture. Jan 06, 2017 azolla technology combines the best of both macro fodder and single cell protein without their shortcomings and thus can be called poor mans spirulina 17. Azolla floating pond plant is also referred to as fairy moss. Andreas hussner, heinrichheineuniversitat dusseldorf, abt. Azolla has to be washed thoroughly with fresh water to remove the smell of dung. In summer weather in west bengal, india the temperature rises as high as 4045 degree celsius in some places. The reports on supplementation of azolla microphylla to cross bred cattle are scanty. Biodiversity of azolla and its algal symbiont anabaena azollae introduction azolla is a freefloating water fern that floats on the water and fixes atmospheric nitrogen in association with nitrogen fixing cyanobacterium, anabaena azollae. Under this condition in the coastal regions of purba medinipur near digha under ramnagar block the azolla pits can hardly be saved in this summer.28 1255 738 1236 838 78 1492 448 760 513 942 297 1592 724 1531 527 1112 1139 1126 282 294 289 1170 830 892 135 429 913 1290 982 26 490 747 1112 196 1144 605 87 426 547 851 1010 456 141