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Kelp’s main phytohormones are auxin, gibberellin and cytokinin.—Jeff Lowenfels, Anchorage Daily News, 20 Apr. 2023 More important, however, are the phytohormones contained in kelp.—Jeff Lowenfels, Anchorage Daily News, 20 Apr. 2023
Word History
Etymology
borrowed from German Phytohormon, from phyto-phyto- + Hormonhormone
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