Triacontanol bụ onye na-akwalite uto osisi na-eto eto nke ukwuu nke na-abawanye mkpụrụ nke akwụkwọ nri na mkpụrụ osisi dị iche iche, yana mmụba nke ihe dịka 10%.

Ịzụlite mkpụrụ osisi siri ike na igbochi ụkwụ: N'okpuru ọnọdụ ihu igwe na-adịghị mma, mkpụrụ osisi inine na-enwekarị ike ịmalite ịghọ "osisi leggy" (nke a na-eji oke steepụ elongation mara), nke na-emebi àgwà ha niile.

Ngwakọta Sodium Nitrophenolates: Ụzọ Ngwa na Dilution Ratios

Mkpụrụ kachasị mma nke Compound Sodium Nitrophenolates dịgasị iche dabere na ihe ọkụkụ a kapịrị ọnụ na ọkwa uto ya; ya mere, ndị ọrụ ga-agbasosi ike na ntuziaka ngwaahịa.

N'ebe nchekwa ihe ọkụkụ, ndị na-ahụ maka uto ihe ọkụkụ (PGR) na-enyere aka na njikwa nke pests na ọrịa site n'ịkwalite uto na mmepe ihe ọkụkụ na ịkwalite nnabata nrụgide; ha bụ otu n'ime ngwa ọrụ teknụzụ dị mkpa n'ime usoro nchekwa "Green Plant Protection".

Ọnọdụ ọjọọ ndị a na-ahụkarị n'oge ọkọchị-dị ka okpomọkụ dị elu, anwụ anwụ siri ike, na ụkọ mmiri ozuzo—na-ebutekarị uto ahịhịa (etiolation) na arụrụ ọrụ physiological n'ihe ọkụkụ. Ndị na-ahụ maka uto osisi na-edozi okwu ndị a site n'ịgbanwe nguzozi nke homonụ endogenous;

Mepiquat Chloride na Cotton: Nke a bụ ngwa ya kacha gbasaa. Mgbe etinyere ya n'oge mpụta kacha elu ruo n'oge okooko osisi, ọ na-achịkwa ịdị elu osisi nke ọma, na-egbochi oke elongation nke alaka mkpụrụ osisi, ma na-ebelata mwụda boll n'etiti na mpaghara ala nke osisi ahụ, na-ebute mmụba nke 10% ruo 20%.

Ndị na-ahụ maka uto ihe ọkụkụ bụ otu ụdị kemịkalụ-nke a na-emepụta n'ụzọ artificial ma ọ bụ nke ewepụtara n'onwe ya-nwere ike ịgbanwe usoro uto na mmepe nke osisi. Isi usoro ha ji eme ihe bụ iṅomi ma ọ bụ itinye aka na ngbanwe nke homonụ nke osisi (dịka auxins, cytokinins, na gibberellins)

dị ka onye na-ahụ maka uto osisi, Forchlorfenuron na-akpali nkewa sel na mmụba na galik. Nnwale nke ubi egosila na, mgbe etinyere ya nke ọma, ọ nwere ike ịbawanye dayameta nke galik bulbs site na 15-20% ma bulie ibu nke osisi n'otu n'otu ihe dịka 30%.

Brassinolide bụ hormone osisi steroid nke dịpụrụ adịpụ na mbụ na pollen nke rapeseed na 1979 ma ndị ọkà mmụta sayensị ghọtara na 1996 dị ka klas nke isii nke hormones osisi. Ejiri njirimara ya dị elu, nnukwu ọrụ dị iche iche