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41 Cards in this Set
- Front
- Back
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Promotes stem elongation at low concentrations, bud growth at lower, and root elongation at lowest
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Auxin
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Stimulates vascular cambium to do more secondary growth
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Auxin
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Promotes formation of adventitious roots
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Auxin
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Encourages fruit growth
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Auxin
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Inhibits abscission
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Auxin
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Primary mediator of apical domincance
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Auxin
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Mediates phototropism, gravitropism, and thigmotropism repsonses
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Auxin
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High IAA/low CK promotes root organogenesis in culture
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Auxin
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Induces epinasty
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Auxin
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Induces flowering in pineapple
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Auxin
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Favors female flower reproduction
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Auxin
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Promotes cell division
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Cytokinins
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Promotes DNA and protein synthesis
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Cytokinins
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Serves as an anti-aging hormone
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Cytokinins
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Mobilizes nutrients for transport (may cause effect c)
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Cytokinins
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Helpts to maintain apical dominance
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Cytokinins
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Promotes cell expansion
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Cytokinins
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Promotes greening of tissue even without light exposure
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Cytokinins
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Low IAA/high CK promotes shoot organogenesis in culture
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Cytokinins
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Phenomenal elongation of stem cells
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Gibberellins
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Bolting
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Gibberellins
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Aids auxin in fruit set
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Gibberellins
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Parthenocarpic fruit development encouraged
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Gibberellins
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Stimulates alpha-amylase production in grains to promote germination
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Gibberellins
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Can break bud and seed dormancy
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Gibberellins
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Maintain bud and seed dormancy
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Abscisic Acid
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Inhibits vascular cambium activity
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Abscisic Acid
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Promotes stomatal closure
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Abscisic Acid
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Reversal of many promotory hormone functions
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Abscisic Acid
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Promotes senescence
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Ethylene
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Promotes abscission
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Ethylene
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Promotes fruit ripening
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Ethylene
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Interferes with auxin basipetal polar transport
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Ethylene
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Promotes flowering in pineapples and mangos
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Ethylene
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Can induce female flowers in some species of monoecious plants
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Ethylene
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Causes epinasty
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Ethylene
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Triple response
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Ethylene
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derived from tryptophan (amino acid)
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Auxin
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derives from mevalonic acid
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Giberellic Acid and Cytokinins
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derives from carotenoid pigments
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abscisic acid
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derives from methionine (amino acid)
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ethylene
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