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Transcript of Seed Germination
Germination is a process where plants and other organisms emerge from gymnosperm/angiosperm seeds and start their growth.
Gymnosperms are seeds that are not protected by a ovule, known as the naked seed. Angiosperms vascular plants that grow fruit and flowers, which seed is protected by ovule.
Sprouting of a seedling from a seed is an example of germination.
Fully developed seeds contain an embryo, which store food reserves and is wrapped in the seed coat.
Factors of successful germination include water, oxygen, temperature, type of soil, and light intake.
Interpretation of Experiment..
Did the presence of soil stimulate germination?
o Yes the presence of soil did stimulate germination. In sandy soil it germinated the most than in acidic and regular.
Did all of the ones with soil germinate and the one with no soil remain the same?
o All of the ones with soil germinated and so did the one with no soil.
How much water was added and did that increase germination?
o 50 drops of water were added so it did help increase germination but the main factor was the type of soil that stimulated germination.
How frequently were they watered?
o They were watered 5 out of 7 days of the week.
Were the seeds kept in the light or the dark?
o They were kept under the UV light.
Materials & Methods
Type of soil [Sandy, Acidic, Regular]
Type of Seed [Radish, Corn, or Soybean]
1.) Construct a hypothesis and predictions that determine which factors will impact seed germination.
2.) Collect materials listed to begin experiment.
3.) Place each soil in the 4-square seed container and plant the soybean seed in each one. (It is beneficial to label the squares to monitor them more effectively).
4.) Decide which conditions the seeds will be in to impact seed germination (sunlight, darkness, wind, etc.). In this case, seeds were exposed to UV sunlight.
5.) Water soybean seeds with 10 drops of water from regular pipette five out of seven days of the week.
6.) Measure the plant growth and keep record for concise results.
Hypothesis & Predictions..
If the soybean is planted in normal soil, then the soybean will promote higher germination growth rate compared to the soybeans in other soils.
Depict whether or not the hypothesis was right or wrong.
Visualize what factors had a major impact on seed germination within the experiment.
Others will be able to use data gathered about seed germination in this experiment in the future.
Construct an experiment that will test a hypothesis regarding seed germination.
Look at different factors and observe the different conditions that will or will not have an effect on seed germination.
Water: Regular v. Distilled
Light: Sunlight v. Darkness
Soil: Sandy, acidic or regular
Temperature & Wind
Type of seed: radish, soybean or pea
What are some factors and conditions that will have an effect on seed germination?
~ The soybean seeds will have a greater growth rate in regular soil as compared to the soybeans in the other soils.
~ The normal soil will promote the highest growth rate to soybeans in the experiment.
~ Soybean planted in the acidic soil will have the lowest growth rate compared to the soybeans in the other soils.
~ Independent: Soil type
~ Dependent: Growth rate of soybean plant
~ Control: Use of no soil; 10 drops of water added on weekdays.