Plant Hormones Lab - Plant Hormones Lab Pathya Kunthy Bio...

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Unformatted text preview: Plant Hormones Lab Pathya Kunthy Bio Lab 2108 12-01-10 1 Abstract: The purpose of this experiment is to determine the effects of different soil types, amount of radiation, and hormone on plant growth. The hypothesis states that seeds with normal soil and high radiation will provide the best condition for seed growth. Radish seeds were planted in mini pots, exposed to light, and watered everyday for two weeks. The seeds were set to grow in acidic, basic, sandy, and normal soil. All of the seeds were pre-radiated seeds where half was 50,000 and 500,000,000 radiation unit. Also, half of the seeds were exposed to Gibberellic acid. The control was radish seeds planted in normal soil exposed to light, water, and no radiation. The results show that normal soil, low radiation, and Gibberellin help produce the most plant height. However, the seeds with acidic soil, high radiation, and no Gibberellic acid have the highest height (10.2 cm). The hypothesis was not supported. 2 Introduction: The purpose of this experiment is to determine the effects of different soil types, amount of radiation, and hormone on plant growth. It is also to look at the different combinations that will best help a plant grow. The hormone used in this experiment is called Gibberellic acid. A hormone is a substance produced in one part of an organism that has an effect, stimulatory or suppressive, on a distant part of the organism (MedicineNet, 2000). Gibberellin is a plant growth regulator naturally present in plants. It functions in stem elongation and seed germination (Kimball, 2009). The different types of soil are acidic, basic, sandy, and normal based on the pH except for sandy which is made up of sand. Different soil types exist in different areas. That is one reason why made up of sand....
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This note was uploaded on 03/21/2011 for the course BIO 2107 taught by Professor Dontknow during the Fall '11 term at Georgia State University, Atlanta.

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Plant Hormones Lab - Plant Hormones Lab Pathya Kunthy Bio...

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