4-Chlorophenoxyacetic acid nwere ike ịkwalite biosynthesis na ndu nyefe na osisi. Ọ nwere ike ọ bụghị naanị igbochi ifuru na idobe mkpụrụ osisi, mee ka ọnụ ọgụgụ mkpụrụ osisi abawanye, mee ka uto mkpụrụ osisi na-eto eto, kwalite ntozu oke oge, kamakwa mezuo ebumnuche nke imeziwanye ogo osisi, ọ nwekwara ọrụ nke ahihia. A na-ejikarị ya eme ihe na tomato, mkpụrụ vaịn, akwụkwọ nri, iji melite mkpụrụ na ogo nke ihe ọkụkụ, ma nwee nnukwu uru bara uru.

4-Chlorophenoxyacetic acid bụ phenoxy osisi uto regulator na auxin ọrụ. Ọ na-etinye obi gị dum site na mgbọrọgwụ, ị ga, epupụta, okooko osisi na mkpụrụ osisi, na ndu ndu dịruru ruo ogologo oge. Ya physiological utịp yiri nke endogenous auxin. Ọ na - eme ka nkewa sel na iche iche dị iche iche, na - eme ka ovary gbasaa, na - eme ka otu mkpụrụ, mepụta mkpụrụ na - enweghị mkpụrụ, na - akwalite ntọala mkpụrụ na ịmụba mkpụrụ, na-ebute mkpụrụ na-enweghị mkpụrụ, na-egbochi ifuru na mkpụrụ osisi, na-akwalite mmepe mkpụrụ osisi, tozuo na mbụ, na-abawanye mkpụrụ, melite ogo, wdg.

A na-ejikarị ya eme ihe maka tomato iji gbochie ifuru na mkpụrụ osisi ịda. E nwekwara ike iji ya mụbaa mmepụta na ego nke ihe ubi dị iche iche dịka eggplant, ose, grape, citrus, osikapa, ọka wit na ihe ndị ọzọ.

O nwekwara ike ịkwalite storability ma belata defoliation nke akwụkwọ nri n'oge nchekwa