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2336617
Commercial Use of Plant Hormones
Description
Gcse Science Mind Map on Commercial Use of Plant Hormones, created by bonyadi on 22/03/2015.
No tags specified
science
b1
revision
plants
plant hormones
science
gcse
Mind Map by
bonyadi
, updated more than 1 year ago
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Created by
bonyadi
over 9 years ago
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Resource summary
Commercial Use of Plant Hormones
Weedkillers
Selective weedkillers attack some plants and not others.
Contains a growth hormone causing plants to grow too quickly and to die.
Rooting Powder
used to produce lots of clones of a really good plant very quickly
cut off part of a plant will not normally grow
rooting powder makes this possible because it contains a plant growth hormone
cut off plant starts producing roots and growing as a new plant
Controlling the ripening of fruit
Fruits are sprayed with hormones to either delay or speed up ripening so they are ready to sell.
Dormancy
plants going through certain conditions until starting to germinate, i.e. periods of cold or dryness
hormone called gibberellin overcomes this dormancy
plants can grow on times they wouldn't grow normally
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