different sucrose solutions. The following data was observed and collected throughout the experiment. Observations: -Qualitative: The potatoes were: Tubed shaped Yellow in color Initially hard in texture -Quantitative: Table 1: Weight of the potato in grams before and after placed in a different concentrations of sucrose solutions. Sucrose solution (M) Weight Before (g) ± 0.01 (A) Weight After (g) ± 0.01 (B) 0 4.56 4.31 0.2 4.22 4.28 0.4 4.13 4.08 0.6 4.57 4.45 0.8 4.60 4
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original state‚ after the removal of thedenaturing agent‚ except when they are degraded multiple levels. Methods: 1.Peel a fresh potato tuber and cut the tissue into small cubes.2.Weigh out 50 grams of tissue.3.Place the tissue‚ 50 mL of cold distilled water‚ and a small amount of crushed ice in a prechilled blender.4.Homogenize for 30 seconds at high speed.5.Filter the potato extract using cheesecloth.6.Pour the filtrate into a 100 mL graduated bylinder and add cold distilled water to bring upthe final
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SST 242: PRINCIPLES OF SEED PRODUCTION Lecture Two Title: Vegetative Propagation Introduction Man has propagated plant material almost as long as he has cultivated the land to produce food. For a long time‚ plant material was propagated mainly by using the seeds of existing plants. Better methods were discovered over time‚ methods that allowed the farmer to retain the desirable qualities of the plant material‚ while eliminating some of the less desirable qualities. Through these methods‚ the
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inexpensive source for these immunotherapeutic molecules. Various antigens and antibodies have already been expressed successfully in plants and have been shown to retain their native functional forms. Edible plant vaccine against diarrhoea‚ expressed in potato‚ and antibody against dental caries‚ expressed in tobacco‚ is already in pre-clinical human trials. Attempts are being made to express many proteins of immunotherapeutic use at high levels in plants and to use them as bio-reactors of the modern era
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Cited: Vincent Lebot ( 2009‚ tropical root and tuber crops. CABI: Wallingford Oxfordshire 77‚153-159 ) (Bradbury and Holloway 1988; Wanasundera and Ravindran 1994; Agbor Egbe and Treche 1995) (Practically Edible the Web’s Biggest Food Encyclopedia‚ 2009). James A. Duke ( 2005‚ genetic resources and tuber crops evolution: Nigeria‚ 52 755-763 ) (Lebot 2009). (Bradbury and Holloway 1988; Wanasundera and Ravindran 1994; Agbor Egbe
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| Q4. Give examples of plants‚ which reproduce by: - a) Spore formation – Bread Mould‚ Ferns or Mosses. b) Fragmentation – Spirogyra c) Vegetative propagation by roots – Sweet Potato‚ Dahlia or asparagus. d) Vegetative propagation by Stems – Potato‚ Ginger‚ Sugarcane. e) Vegetative
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Potatoes The initial weights of the potato cubes ranged from 0.93-1.04 grams from the solutions containing AgNO3 (Table 1). Graph one depicts the correlation of percent change in weight for each sucrose concentration with AgNO3 added. The initial length of the potato cylinders were 2cm as depicted in table two. Graph two depicts the correlation of percent change in length in different sucrose concentrations. The initial weights for the solutions lacking AgNO3 ranged from 1.0-1.7grams (Table 3)
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thee?" In the beginning was the potato. How it found its way from the South American highlands into those little sacks of McDonald’s fries is a long‚ adventurous tale‚ involving Conquistadors‚ Marie Antoinette‚ and Thomas Jefferson. Millionaires have been made and millions more have died from dependence on that simple‚ innocent potato. Here‚ then‚ is the story of the spud‚ which reached its crowning achievement only once it had been paired with oil. The potato seems to us today to be such a staple
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sodium and copper salts. In presence of simple sugars‚ the blue solution changes color to either green‚ yellow or brick-red‚ depending on the amount of sugar. Method 1) Mix smalls amount of each food sample (i.e.‚ Egg lumen‚ cylindrical piece of potato tuber‚ bread crump and crisps) in different test tubes with distilled water to make a liquid test. Take another test tube with glucose solution to act as a control so as to compare the difference in color after the completion of the experiment. 2) Label
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leaf blight. These include: P. infestans on potato and tomato; P. palmivora on a large number of tropical fruit species including rubber‚ durian and macadamia; and P. colocasiae on taro. These blights on leaves are first seen as small flecks but within 3-5 days they expand to produce large lesions. Initially‚ infected tissue is water soaked but becomes necrotic (brown or black) in a few days. Often the lesions are surrounded by a halo of light green tissue. Spores appear as white velvety growth at
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