Loaʻa nā Hormones Cell Division Plant i ka 6-BA, GA3, IAA, 2-IP a me nā mea ʻē aʻe. ʻO nā hormones mea kanu (ʻike pū ʻia ʻo phytohormones) nā kinikona e hoʻoponopono i ka ulu ʻana o nā mea kanu. ʻO nā hormones mea kanu he mau molekala hōʻailona i hana ʻia i loko o ka mea kanu, a loaʻa i nā haʻahaʻa haʻahaʻa loa. Hoʻoholo pū nā hormones kanu i ka hoʻokumu ʻana o nā pua, nā ʻōpala, nā lau, ka hoʻoheheʻe ʻana o nā lau, a me ka ulu ʻana a me ka oʻo ʻana o nā hua. ʻAʻole like nā mea kanu, ʻaʻole like me nā holoholona, ​​​​ʻaʻole i loaʻa i nā gland e hana a huna i nā hormones.