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About the Participant

Your Name: Christopher Bonelli
School: Queens College
City: Bayside State: NY
Grade Level(s): Subject(s): Science
Email address: ChrisB1179@aol.com


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About the Experiment

Experiment Title: What parts of a seed are necessary for growth?

Conditions:

  1. soaked embryo with half of cotyledon
  2. soaked embryo by itself

Experimental Predictions:

The embryo with half of cotyledon should grow. Embryo by itself should grow as well. Roots should develop quicker and plants should sprout.

 

Experiment Methods and Procedure:

One plastic cup filled with soil. Three holes punched on bottom in triangular fashion. All four beans were planted in soil of same cup. The half beans on one side the embryo's alone on the other side. The beans were already soaked so a little water was added to the soil to make it moist enough to start germination. Cup was labeled placed into paper bag and sealed for 1 week. After 1 week was over cups were removed and placed under plant lights. Measure height of plants with ruler in centimeters.


Results and Conclusions:

One half bean with embryo grew the other was killed by mold. Embryos alone rotted away. Beans need at least half of cotlyledon in order to germinate properly. Next experiment I will try using whole soaked seed with out seed coat, the half of soaked bean with embryo, and whole dry bean.

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