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Plants, People and the Environment > plant hormones > Flashcards

plant hormones Flashcards

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1
Q

Gibberellins

A

UP - seed germination: amylase -> glucose -> ATP; cell division/elongation; cell wall synthesis

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2
Q

Auxin

A

e.g. IAA: cell division, cell elongation, primary (vertical) growth =apical dominance

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3
Q

Cytokinins

A

cell division, coordinating root/shoot growth; fruit production; secondary (lateral) growth, branching

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4
Q

Ethylene

A

stimulates maturation, senescence; leaf abscission

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5
Q

Abscissic Acid

A

inhibits growth; stomatal closure; promotes abscission; initiates dormancy

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6
Q

plant hormones are carried in the…

A

xylem & phloem

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7
Q

allelopathic effect

A

VOCs released from one plant causes other plants to then protect selves

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8
Q

how does H2O trigger plant germination?

A

-> Gibberellic acid -> DNA -> starch -> sugar -> growth

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