what is chemotropism explain with an example
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The growth movement in plants in response to chemical stimuli is known aschemotropism. For example, the growth of pollen tube towards the ovule in the ovary (through the stigma and style) is an example of positivechemotropism.
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Define chemotropism.
A directional movement due to Chemical change.
Ex: Pollen tube toward 0vule.
The growth of pollen tube towards ovule induced by chemical (stigmatic fluid).
Pollen tube grow down the style due to chemical substance produced by ovule during fertilisation.
Positive: Towards stimulus
Negative: Away from stimulus
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