Mmachibido iwu EU na iji chlorpropham dị ka ihe na-egbochi mpụta nke tubers nduku na-arụ ọrụ kemgbe afọ gara aga. N'ọnọdụ a, ndị ọkachamara Europe na-ekwu na ịnọgide na-enwe ọnọdụ okpomọkụ na iru mmiri dị mma na ebe nchekwa bụ ihe ngwọta kasị mma.
tuber nduku bụ ihe dị ndụ nke na-eme ụfọdụ usoro physiological na biochemical. Ihe e kere eke nke ọnọdụ nchekwa na-ezighị ezi na-eduga ná nnukwu ọnwụ na ibu tuber. Ka anyị tụlee n'ọnọdụ ebe tubers na-anọ ogologo oge.
Ozugbo owuwe ihe ubi n'ubi, a ga-ahazi nduku iji wepụ ala na tubers butere, nke nwere ike ibute ọrịa nje na fungal.
Mgbe ahụ, ihe dị ka izu 1-2 mgbe nchekwa, poteto na-agafe oge nkwadebe maka dormancy, n'oge usoro iku ume na evaporation ka na-eme, na-ebute mfu nke starch, mmiri na vitamin. A na-eji plọg kpuchiri epidermis, mmebi arụrụ arụ kpatara n'oge owuwe ihe ubi na-agwọkwa ya. Ka usoro a gaa n'ihu n'ụzọ ziri ezi, ọ dị mkpa ịnọgide na-enwe okpomọkụ nke 10-18 Celsius C na iru mmiri ikuku nke 90-95%.
Akụkụ ọzọ nke tubers na-abanye n'oge nchekwa bụ jụrụ oyi, ebumnuche bụ isi bụ ịkwadebe tubers maka dormancy. Ntu oyi na-ewe ihe dị ka izu atọ ma mejupụtara iweda ikuku ikuku ruo 2-10 Celsius C (dabere n'ụdị nduku na ntụzịaka nke ojiji) yana idobe iru mmiri n'ogo dị ka ọkwa gara aga.
Naanị ihe fọrọ nke nta ka ọ bụrụ otu ọnwa mgbe etinye tubers na ebe nchekwa nduku ka ha na-abanye na oge ezumike zuru ezu. N'ihe banyere ụdị tebụl dị iche iche, okpomọkụ kachasị mma bụ: 4-6 Celsius C, poteto mkpụrụ: 2-4 Celsius C, poteto ezubere maka ụlọ ọrụ nri: 6-8 Celsius C, na tubers ezubere maka nhazi ụlọ ọrụ na-echekwa nke ọma. na 2-4 Celsius C. Iru mmiri ikuku akwadoro bụ 85-90%. Ogologo oge nke dormancy bụ mkpụrụ ndụ ihe nketa ma dị iche iche dabere na ụdị dịgasị iche iche, ma ọ bụrụ na a na-agbaso usoro nchekwa akwadoro, enwere ike ịchekwa tubers ruo ọnwa asatọ.
Idokwa ọnọdụ nchekwa kwesịrị ekwesị dị oke mkpa iji nọgide na-enwe ogo akụrụngwa. Na iru mmiri dị n'okpuru ọkwa a tụrụ aro, tubers na-efunahụ ngwa ngwa ma kpọọ nkụ, na iru mmiri dị elu, usoro ire ere na-amalite.
Ikuku okpomọkụ nwere mmetụta dị ịrịba ama na ike nke tuber respiration Filiks - ọ bụrụ na okpomọkụ dị oke elu, ha na-eku ume ọzọ ike, nke na-eduga ná ọnwụ nke tuber uka. Okpomọkụ dị elu na-enyekwa aka na mmepe nke ọrịa fungal.
Oke ala okpomọkụ adịghị mma, n'ihi na ọ na-eduga ná mmebi nke uto na mmụba nke ọdịnaya nke ibelata sugars na tubers.
N'afọ a, ọtụtụ ndị na-emepụta nduku Europe nwere ike inwe nsogbu nchekwa n'ihi ịhapụ chlorpropham. Kama nke ahụ, ndị na-emepụta ngwaahịa nchebe ihe ọkụkụ na-enye ihe mgbochi ndị ọzọ dabere na ihe ndị sitere n'okike, dị ka: maleic acid hydrazide n'ụdị nnu choline, mmanụ pepemint, mmanụ oroma ma ọ bụ 1,4-dimethylnaphthalene.
Mmanụ oroma nwere mmasị pụrụ iche n'ihi na ọ na-egbochi germination ruo izu atọ (ogologo oge maka ihe mgbochi eke). Enwere ike ree nduku ozugbo etinyere ngwaahịa ahụ; ọ nweghị oge nchere. Usoro a tụrụ aro bụ 100 ml / 1000 n'arọ nke tubers nduku. Onye nrụpụta ahụ na-atụ aro iji ọgwụ ahụ ozugbo ome mbụ pụtara. Ekwesịrị ịme usoro ahụ n'etiti ụbọchị 21.
Ọgwụ ọzọ kwesịrị nlebara anya bụ 1,4-dimethylnaphthalene, hormone nke na-agbatị oge ezumike nke tubers. Oke kachasị nke ọgwụ ahụ bụ 20 ml kwa 1 ton nduku tubers, enwere ike iji ya ozugbo etinyere tubers na nchekwa. Onye nrụpụta na-atụ aro ka ịme usoro na etiti oge ma ọ dịkarịa ala ụbọchị 28 na ọnụọgụ ọgwụgwọ kachasị - 6 n'oge oge nchekwa niile. N'adịghị ka mmanụ oroma, ihe a nwere oge nchere ụbọchị iri atọ. A na-eji ngwaahịa abụọ a na-emepụta ikuku aerosol na ebe nchekwa ikuku mmanye.