describe an experiment which demonstrates that growth stimulating hormone is produced at the tip of coleoptile.
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In 1928, Went developed a method of quantifying this plant growth substance. His experiment showed that a chemical messenger diffuses from coleoptile tips and causes it to grow towards the light. He later proposed that the messenger substance is a growth-promoting hormone, which he named auxin.
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In 1928, Went developed a method of quantifying this plant growth substance. His experiment showed that a chemical messenger diffuses from coleoptile tips and causes it to grow towards the light. He later proposed that the messenger substance is a growth-promoting hormone, which he named auxin
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