Enwere ike iji sodium o-nitrophenolate mee ihe dị ka onye na-arụ ọrụ mkpụrụ ndụ ihe ọkụkụ, nke nwere ike ịbanye ngwa ngwa n'ime ahụ osisi, na-akwalite mgbasa nke protoplasm cell, ma mee ngwa ngwa ngwa ngwa nke osisi.

Ụdị isi nke mgbọrọgwụ osisi na ihe ndị na-emewanyewanye ihe na-agụnye chlorformamide na choline chloride / naphthyl acetic acid.

Choline chloride bụ ihe na-ahụ maka uto osisi sịntetik nke nwere ike ịkwalite mgbasawanye ngwa ngwa nke mgbọrọgwụ n'okpuru ala na tubers, meziwanye mkpụrụ na mma. . Ọ nwekwara ike ịhazi photosynthesis nke akwụkwọ ma gbochie photorespiration, si otú ahụ na-akwalite mgbasawanye nke tubers n'okpuru ala.

Ndị na-ahụ maka uto osisi na-akwalite ntozu nke ihe ọkụkụ n'oge na-agụnye ụdị ndị a: Gibberellic Acid (GA3): Gibberellic acid bụ onye na-ahụ maka uto ihe ọkụkụ nke nwere ike ịkwalite uto na mmepe nke ihe ọkụkụ, mee ka ha tozuo n'oge, na-amụba ihe ọkụkụ, ma kwalite mma. Ọ dabara maka ihe ọkụkụ dị ka owu, tomato, osisi mkpụrụ osisi, poteto, ọka wit, soybean, ụtaba, na osikapa.

Ịgba mgbọrọgwụ osisi bụ otu n'ime usoro dị mkpa nke itolite osisi ma bụrụkwa nnukwu uru maka uto, mmepe na mmeputakwa nke osisi. Ya mere, otu esi akwalite mgbọrọgwụ osisi bụ ihe dị mkpa na ịkụ ihe ọkụkụ. Isiokwu a ga-atụle otu esi akwalite mgbọrọgwụ osisi site na akụkụ nke ọnọdụ nri, ihe gbasara gburugburu ebe obibi, na usoro ọgwụgwọ.