The natural plant hormones were first isolate | vedclass

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(D) The discovery of plant growth regulators involved several key findings:$1$. Auxins were first isolated from human urine by $F.W. Went$ and others.

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Human urine and rice seedlings

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(D) The discovery of plant growth regulators involved several key findings:$1$. Auxins were first isolated from human urine by $F.W. Went$ and others.$2$. Gibberellins were first discovered by $E. Kurosawa$ from the fungus $Gibberella$ $fujikuroi$ (which causes 'bakanae' disease in rice seedlings).$3$. Cytokinins were first isolated from autoclaved herring sperm $DNA$,and later from corn germ oil (zeatin).Therefore,the historical isolation of these natural plant hormones is primarily associated with human urine and rice seedlings (in the context of the discovery of gibberellins).

The natural plant hormones were first isolated from:

Similar Questions

What are plant hormones?

Mention the characteristics and types of plant growth regulators.

In animals,there are special glands secreting hormones,whereas there are no glands in plants. Where are plant hormones formed? How are the hormones translocated to the site of activity?

Who for the first time speculated the presence of organ-forming substances in plants,now called hormones?

Which of the following techniques is employed for the separation and identification of phytohormones?

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