Explain how the first Cytokinin  was discovereD?

Dear student,                     
​Please find below the links to the asked query     

​Kinetin was the first cytokinin to be discovered.

https://www.meritnation.com/ask-answer/question/what-is-kinetins/plant-growth-and-development/3128932

https://www.meritnation.com/ask-answer/question/what-is-autoclaved-herring-sperm-dna/plant-growth-and-development/1634063

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