Izaqathi zingalawulwa ekuqhakazeni ngokusebenzisa uhlobo lwe-malonylureaizilawuli zokukhula(ukugxila ku-0.1% - 0.5%) noma izilawuli zokukhula kwezitshalo ezifana ne-gibberellin. Kudingekile ukukhetha izinhlobonhlobo zezidakamizwa ezifanele, ukugxila, futhi uphathe isikhathi esifanele sokufaka isicelo kanye nendlela.
Izaqathi ziwuhlobo olujwayelekile lwemifino, olucebile ngemisoco futhi luthandwa kakhulu ngabantu. Kodwa-ke, phakathi nenqubo yokulima, izaqathe zingase zibe ne-bolting, ezithinta isivuno kanye nekhwalithi. Ukulawula ngempumelelo ukubopha izaqathi, abalimi bavame ukukhetha ukusebenzisa izilawuli zokukhula kwezitshalo.
I. I-Maleic Hydrazide Growth Regulators
Izilawuli zokukhula kwe-Maleic hydrazide zingenye yezidakamizwa ezisetshenziswa kakhulu ukulawula ukubhowulwa kwezaqathi. Alawula amazinga e-hormone emzimbeni wesitshalo, avimbele ukunwebeka kwesiqu, futhi ngaleyo ndlela abambezele isikhathi sokubopha izaqathi. Indlela eqondile yokufaka isicelo imi kanje: Ngesikhathi sokukhula kwezaqathi, ukufafaza u-0.1% kuya ku-0.5% izilawuli zokukhula kwe-maleic hydrazide zingalawula ngempumelelo i-bolting phenomenon. Kodwa-ke, kuyadingeka ukuthi uqaphe lapho uwasebenzisa futhi ugweme ukusetshenziswa ngokweqile ukuvimbela ukukhula okungavamile kwezaqathi.
II. Plant Growth Regulators ezifanaAma-Gibberellins
Ngaphandle kwezilawuli zokukhula kohlobo lwe-malonylhydrazine, ama-gibberellins nezinye izilawuli zokukhula kwezitshalo nazo zingasetshenziswa ukuvimbela ukubholthwa kwezaqathi. I-Gibberellins ingakhuthaza ukukhula kwezitshalo ze-carrot ngenkathi ivimbela ukukhula kweziqu, ngaleyo ndlela ivimbele ukuvela kwe-bolting. Lapho uzisebenzisa, kuyadingeka ukukhetha izinhlobonhlobo zezidakamizwa ezifanele kanye nokugxila ngokusekelwe esimweni sangempela, futhi uphathe isikhathi esifanele sokufaka isicelo kanye nendlela. Ngokuvamile, ukufafaza ngesikhathi sesigaba sokuqala sokukhula kwesanqante noma ngaphambi kokubopha kuphumelela kakhulu.
III. Ukubaluleka Kwezinyathelo Zokuphatha Eziphelele
Nakuba ukusetshenziswa kwezilawuli zokukhula kwezitshalo kungalawula ngempumelelo ukuhluma kwezaqathi, izinyathelo zokuphatha eziphelele zibaluleke ngokufanayo. Abalimi kufanele bakhethe izinhlobo ezimelana ngokuqinile nokumila ukuze zitshalwe, futhi baqinise ukuphathwa kwensimu ngokugcina umswakama wenhlabathi kanye namazinga okushisa afanelekile. Ukwengeza, ukususwa ngesikhathi kwezinambuzane nezifo nakho kungenye yezinyathelo ezibalulekile zokuvimbela ukuhluma kwezaqathi.
Ekuphetheni, ukulawula ukubopha kwizaqathi, izilawuli zokukhula ezifana ne-malonylurea noma i-gibberellins zingasetshenziswa. Kubalulekile ukunaka ukukhethwa kwezidakamizwa, ukugxila kwazo, isikhathi sokufaka isicelo, kanye nezindlela zokufaka isicelo. Ngesikhathi esifanayo, ukuqinisa izinyathelo zokuphatha eziphelele kuyindlela ebalulekile yokuvimbela ukubopha izaqathi. Ngokuphathwa kwesayensi kanye nokusetshenziswa kwezidakamizwa okunengqondo, abalimi bangakwazi ukwandisa ngempumelelo isivuno kanye nekhwalithi yezaqathi.
Isikhathi sokuthumela: Oct-29-2025