Ndị na-achịkwa uto ihe ọkụkụ nwere ike imetụta ọtụtụ ọkwa nke uto na mmepe osisi.

Na mmepụta n'ezie, ndị na-ahụ maka ihe ọkụkụ na-arụ ọrụ kpọmkwem.

Gụnyere ntinye nke callus, ịgbasa ngwa ngwa na detoxification, nkwalite nke mkpụrụ osisi, nhazi nke mkpụrụ osisi, nkwalite mgbọrọgwụ, mezie uto, na-ahazi ụdị osisi, na-edozi ọdịiche nke ifuru ifuru, na-edozi ọdịdị ifuru, na-ebute mkpụrụ na-enweghị mkpụrụ, chekwaa ifuru na mkpụrụ osisi, dị gịrịgịrị. okooko osisi na mkpụrụ osisi, na-ahazi ntozu mkpụrụ osisi, gbochie ịkụ mkpụrụ osisi, mee ka mkpụrụ osisi na mkpụrụ osisi sie ike, gbochie ebe obibi, na-eme ka nrụgide nrụgide dịkwuo elu, na ịkwalite àgwà ubi, na-amụba mkpụrụ, nchekwa na nchekwa, wdg.

Mmetụta ngwa nke ndị na-ahụ maka uto osisi metụtara teknụzụ ngwa ngwa akọwapụtara.Dịka ọmụmaatụ, iji ndị na-achịkwa auxin na obere mkpokọta nwere ike ịkwalite uto ihe ọkụkụ, ebe nnukwu mkpokọta nwere ike igbochi uto osisi.

Ndị na-ahụ maka uto ihe ọkụkụ nwere ọtụtụ ngwa, nke enwere ike kewaa n'ime mpaghara 6 ndị a:

1. A na-etinye ya na ihe ubi, dị ka osikapa, ọka wit, ọka, mmeko nwoke, ahụekere, soybean, poteto ụtọ, owu na nduku.

2. A na-etinye na akwụkwọ nri, dị ka egusi, agwa, kabeeji, kabeeji, fungi, mkpụrụ osisi solanaceous, eyịm na galik, akwụkwọ nri mgbọrọgwụ, akwụkwọ ndụ akwụkwọ ndụ akwụkwọ ndụ, wdg.

3. A na-etinye ya na osisi ndị na-amị mkpụrụ, dị ka apụl, cherị, mkpụrụ vaịn, banana, citrus, ginkgo, peach, pear, wdg.

4. A na-eji ya n'ọhịa, dị ka fir, pine, eucalyptus, camellia, poplar, rubber tree, wdg.

5. Tinyere na osisi pụrụ iche, dị ka osisi aromatic, osisi ọgwụ, sorghum dị ụtọ, sugar beet, sugar cane, ụtaba, osisi tii, wdg.

6. A na-etinye ya na osisi ịchọ mma, dị ka ifuru ahịhịa, succulents, osisi osisi, wdg.