PLANT PEOPLE INTERACTIONS EXAM

PLANT PEOPLE INTERACTIONS EXAM - PLANT PEOPLE INTERACTIONS...

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PLANT PEOPLE INTERACTIONS EXAM #2 LEGUMES AND OILS Legumes - second only to grains in importance to humans - usually combined with grains for proper nutrition - rice and soybeans - corns and beans - barley and lentils - these combinations provide complete amino acid sets Legume structure - Legume means member of the bean family  Fabaceae - Also means dry, simple fruit which splits along 2 seams to release seeds - They are dehiscent - Pulse = edible, dried legume seed Nitrogen fixation - plants need nitrogen - atmospheric nitrogen is unusable by plants - the plants form a symbiotic association in roots with nitrogen-fixing  bacteria - bacteria infect the root, causing a swollen area called a nodule - bacteria live in nodules and get carbohydrates
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- then they convert nitrogen to a useable form Legumes have high yields because - Non-shattering fruits - Larger seed size - Uniform fruit maturation - Lack of dormancy Soybeans - The most important legume -
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This note was uploaded on 04/17/2008 for the course BIO_SCI 114 taught by Professor Russin during the Winter '08 term at Northwestern.

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PLANT PEOPLE INTERACTIONS EXAM - PLANT PEOPLE INTERACTIONS...

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