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Principles of Plant Genetics and Breeding

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Part B<br />

Please answer the following questions:<br />

1 Give the four species <strong>of</strong> cotton that produce economic seed fibers.<br />

2 Distinguish between Old <strong>and</strong> New World cotton groups.<br />

3 Discuss the importance <strong>of</strong> G. hirsutum in cotton production.<br />

Part C<br />

Please write a brief essay on each <strong>of</strong> the following topics:<br />

1 Discuss the American upl<strong>and</strong> cotton types grown in the US.<br />

2 Discuss pollination <strong>of</strong> cotton in breeding.<br />

3 Discuss the key breeding objectives <strong>of</strong> cotton relating to lint yield <strong>and</strong> quality.<br />

BREEDING COTTON 555

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