Intermediate-Level Science Projects

Creating New Plants Through Cross-Pollination

The process of cross-pollinating occurs all the time in nature. Pollen is exchanged from one flower to another via butterflies, bees, and wind. In addition, botanists work closely with cross-pollination as a means of altering plants.

You can try to find out what happens when you cross-pollinate—or remove pollen from one type of flower and put it onto another type. It's not difficult to do this, but you'll need to have a basic understanding about the male and female parts of a flower, and on which part of a flower the pollen must be placed in order to result in fertilization, and ultimately, a seed.

Standard Procedure

To learn more about the genetics of plants, read about the work of Gregor Mendel, known as the father of genetics. Mendel, who lived from 1822 until 1884, conducted many experiments dealing with genetics and heredity. His most famous experiments were conducted using pea plants.

Flowers contain both male and female parts, and often pollinate themselves as pollen moves within the flower from the male part to the female part. You can, however, move pollen from one type of flower onto another, essentially creating a new type of plant.

If you're interested in botany and this project, begin by researching the anatomy of flowers, and the processes of pollination and cross-pollination. You can use any flowers you want, but be sure to leave plenty of time, as you may have to repeat the experiment.

Once you put pollen from one flower on another, you'll have to hope that fertilization occurs. If not, you'll need to try again.

book cover

Excerpted from The Complete Idiot's Guide to Science Fair Projects © 2003 by Nancy K. O'Leary and Susan Shelly. All rights reserved including the right of reproduction in whole or in part in any form. Used by arrangement with Alpha Books, a member of Penguin Group (USA) Inc.

To order this book direct from the publisher, visit the Penguin USA website or call 1-800-253-6476. You can also purchase this book at Amazon.com and Barnes & Noble.

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