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The Fruit Factor

CSEF · 2013 Plant Biology

Marvia P. Cunanan, Caitlin R. Land · Westfield School, Porterville, Tulare County

Overview

Objectives/Goals Will a wounded avocado produce more ethylene gas than an avocado simply left alone? Methods/Materials 4 Kitagawa tubes 1 Kitagawa aspiration pump 4 unripe bright green Haas avocados Small notebook Pencil 4 plastic large airtight snapware containers Methods: Wound 2 avocados and leave 2 unwounded. All 4 avocados were placed in containers for 24 hours. After 24 hours, use Kitagawa tubes with aspiration pump to measure ethylene gas produced. Results Wounded avocados produce less ethylene gas than non-wounded avocados. Conclusions/Discussion Based on research, avocados are major ethylene producers and we hypothesized that wounded avocados would produce more ethylene gas than non-wounded avocados, because wounded fruits are supposed to produce ethylene faster than non-wounded fruits. However, our results proved otherwise. Thus, it is important to protect avocados during transport so they can produce more ethylene gas.

Summary statement

Wounded avocados produce less ethylene gas.

Help received

Friend helped lend Kitagawa aspiration pump.

Competition history

  • CSEF 2013 Plant Biology · Entry J1904

Resources

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