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Principles of Plant Genetics and Breeding

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Boswell, V.R. 1961. The importance <strong>of</strong> seeds. In: Seeds: The<br />

yearbook <strong>of</strong> agriculture, 1961. USDA, Washington, DC.<br />

Duvick, D.N. 1977. Genetic rate <strong>of</strong> gain in hybrid maize yield<br />

during the past 40 years. Maydica 22:187–196.<br />

Part A<br />

Please answer the following questions true or false:<br />

Outcomes assessment<br />

1 Farmers plant registered seed.<br />

2 Seed certification in the USA is conducted by the AOSCA.<br />

3 The breeder seed has the highest genetic purity <strong>of</strong> any class <strong>of</strong> seed.<br />

Part B<br />

Please answer the following questions:<br />

1 What does the acronym AOSCA st<strong>and</strong> for?<br />

2 Give the class <strong>of</strong> commercial seed that is released to farmers.<br />

3 A white seed tag identifies a certified seed.<br />

4 Give two specific pieces <strong>of</strong> information found on a seed tag.<br />

Part C<br />

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

SEED CERTIFICATION AND COMMERCIAL SEED MULTIPLICATION 449<br />

References <strong>and</strong> suggested reading<br />

1 Discuss the commercial classes <strong>of</strong> pedigreed seed.<br />

2 Discuss the commercial production <strong>of</strong> hybrid seed.<br />

3 Discuss the international role in seed certification.<br />

4 Discuss the role <strong>of</strong> multinational corporations in the seed industry.<br />

Fern<strong>and</strong>ez-Cornejo, J. 2004. The seed industry in US<br />

agriculture. Agriculture Information Bulletin No. 786.<br />

USDA/ERS, Washington, DC.

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