Ergot Essay examples -- Botany

ergotErgot (Claviceps purpurea Tul.) is a savage fungus that is hazardous to animals and serviceman. It appears to be a small, hard, black, elongated structure that levys on and contaminants grains, which is called scelrotium. The appearance tends to look equal mold. When eaten in quantity or small amounts over a expiration of sentence it can be highly toxic. Further more, it is a major both(prenominal)er for humans in North America but even more complete(a) for animals. Humans are susceptible to being contaminated with this poisonous fungus because ergot can grow on mushrooms, rye, wheat, and barley. These are products that humans steep everyday. Ergot is the most notorious poison because it includes several species of ascomycete kingdom Fungi with entangled life cycles that parasitize the grains of various cultivated and wild grasses. in that locationfore, it is necessary to dispel for ergot contamination, especially if they are home-grown grains.The epidemic or sprea ding phase of the ergot fungus occurs at the same time the grasses are in flower. fungal spores contaminate the ovaries of the mature flower of the host plant. These augment mycelia (fine threadlike filaments). At this sign infection an excretion of honeydew (moist, sticky secretion) stage, develops and the mycelia continue to grow indoors the ovaries of the host and become sclerotia (fruiting bodies). A sclerotium appears as a cylindrical, triplet sided body, slightly curved, hornlike, hard, grooved on one or both sides, disastrous purple next to black that is 1/3 to 1 1/2 inches long and 1/8 to 1/4 inches wide. There is a very unpleasant aroma (odor), which is somewhat fishy. The demonstrable sclerotia finally falls to the ground to build up in the summer at at a time or may wait until after the winter and germinate the ... ...y resulting in poisoning of animals by plants, in this instance has the opposite effect. It allows vagabond grasses to develop an inflorescenc e and become potentially dangerous (86-87).REFERENCESFuller, Thomas, and Elizabeth McClintock (1986). pestilential Plants of atomic number 20. Berkley, LA University of California Press. p. 15-20.Kingsbury, legerdemain M. (1964a). Poisonous plants of the United Canada States and. Englewood Cliffs, unsanded Jersey Prentice-Hall, Inc. p. 79-86.Kingsbury, John M. (1968b). Harvest. New York, Chicago, San Francisco Holt Rinehart and Winston. P. 34-37.Morton, Julia F.D.Sc. (1977). Major Medicinal Plants phytology, Culture, and Uses. USA, Springfield Charles C. Thomas Publisher. P. 4-9.Szezawinski, Adam PhD, and Nancy J. Turner. (1991). common Poisonous Plants and Mushrooms of North America. Portland, Oregon Timber Press. p. 64-66. Ergot Essay examples -- BotanyErgotErgot (Claviceps purpurea Tul.) is a poisonous fungus that is hazardous to animals and humans. It appears to be a small, hard, black, elongated structure that grows on and contaminants grains, which is cal led scelrotium. The appearance tends to look like mold. When eaten in quantity or small amounts over a period of time it can be highly toxic. Furthermore, it is a major problem for humans in North America but even more severe for animals. Humans are susceptible to being contaminated with this poisonous fungus because ergot can grow on mushrooms, rye, wheat, and barley. These are products that humans ingest everyday. Ergot is the most notorious poison because it includes several species of ascomycete fungi with complex life cycles that parasitize the grains of various cultivated and wild grasses. Therefore, it is necessary to check for ergot contamination, especially if they are home-grown grains.The epidemic or spreading phase of the ergot fungus occurs at the same time the grasses are in flower. Fungal spores infect the ovaries of the mature flower of the host plant. These develop mycelia (fine threadlike filaments). At this initial infection an excretion of honeydew (moist, sticky secretion) stage, develops and the mycelia continue to grow within the ovaries of the host and become sclerotia (fruiting bodies). A sclerotium appears as a cylindrical, three sided body, slightly curved, hornlike, hard, grooved on one or both sides, dark purple next to black that is 1/3 to 1 1/2 inches long and 1/8 to 1/4 inches wide. There is a very unpleasant aroma (odor), which is somewhat fishy. The developed sclerotia finally falls to the ground to germinate in the summer at once or may wait until after the winter and germinate the ... ...y resulting in poisoning of animals by plants, in this instance has the opposite effect. It allows pasture grasses to develop an inflorescence and become potentially dangerous (86-87).REFERENCESFuller, Thomas, and Elizabeth McClintock (1986). Poisonous Plants of California. Berkley, LA University of California Press. p. 15-20.Kingsbury, John M. (1964a). Poisonous plants of the United Canada States and. Englewood Cliffs, New Jersey Prentice- Hall, Inc. p. 79-86.Kingsbury, John M. (1968b). Harvest. New York, Chicago, San Francisco Holt Rinehart and Winston. P. 34-37.Morton, Julia F.D.Sc. (1977). Major Medicinal Plants Botany, Culture, and Uses. USA, Springfield Charles C. Thomas Publisher. P. 4-9.Szezawinski, Adam PhD, and Nancy J. Turner. (1991). Common Poisonous Plants and Mushrooms of North America. Portland, Oregon Timber Press. p. 64-66.