Eminyakeni yamuva nje, kuye kwaba nezithelo eziningi eziphuma enkathini, futhi ekuqaleni kwentwasahlobo, ama-strawberries amasha namapentshisi azovela emakethe.Lezi zithelo zivuthwa kanjani ngaphandle kwesizini?Ngaphambili, abantu bebengacabanga ukuthi lesi yisithelo esitshalwe ku-greenhouse.Kodwa-ke, ngokuqhubeka nokuvezwa kwama-strawberry angenalutho, amagilebhisi angenambewu, namakhabe akhubazekile eminyakeni yamuva nje, abantu sebeqale ukungabaza ukuthi lezi zithelo ezibonakala zizinkulu futhi ezintsha eziphuma esikhathini sonyaka zimnandi ngempela yini?Ingabe ziphephile ngempela?
Ukubonakala kwalezi zithelo ezimise okwenqaba kwakhanga ngokushesha ukunaka kwabantu.Amahomoni nawo angenile embonweni wabantu.Abanye abantu, ukuze bafinyeze umjikelezo wokukhula kwezitshalo futhi bathole inzuzo enkulu, basebenzisa amahomoni ezithelo nemifino eminingi ephelelwe yisikhathi ukuze bafinyelele ukuvuthwa ngokushesha.Yingakho ezinye izithelo zibukeka zizinhle kodwa zinambitheka kabi kakhulu.
Ukuziphatha kwabathengisi abangathembekile abangezela amahomoni emifino nasezithelo kwenze abantu abaningi bangawathandi amahomoni, futhi isilawuli sokukhula kwezitshalo esineshwa asithandwa ngabantu ngenxa yemiphumela yaso efanayo kumahomoni.Ngakho-ke yini ngempela isilawuli sokukhula kwezitshalo?Ingabe ihlobene nama-hormone?Inobudlelwano obunjani?Okulandelayo, ake sikhulume ngokuthi siyini isilawuli sokukhula kwezitshalo futhi iyini imisebenzi yaso?
Isilawuli sokukhula kwezitshalo siwukwenziwa (noma ngokwemvelo esikhishwe kumagciwane) izinhlanganisela eziphilayo ezinomthetho wokukhula nokuthuthukiswa okufana ne-hormone yezitshalo yemvelo.Kuyinto yokwenziwa esetshenziswa ekukhiqizweni kwezolimo ngemva kokuba abantu beqonde ukwakheka kanye nendlela yokusebenza ye-hormone yezitshalo zemvelo, ukuze kulawulwe ngempumelelo inqubo yokukhula kwezilimo, kuzuzwe inhloso yokusimamisa isivuno nokwandisa isivuno, ukuthuthukisa ikhwalithi, nokuthuthukisa. ukumelana nezitshalo.Izilawuli ezivamile zokukhula kwezitshalo zihlanganisa i-DA-6, i-Forchlorfenuron, i-sodium nitrite, i-brassinol, i-gibberellin, njll.
Izilawuli zokukhula kwezitshalo zinokusetshenziswa okuningi futhi ziyahlukahluka phakathi kwezinhlobonhlobo nezitshalo ezihlosiwe.Ngokwesibonelo:
Lawula ukuhluma nokulala;khuthaza ukuqothula;ukukhuthaza ukunwetshwa kwamangqamuzana nokuhlukana;lawula ihlumela elingemuva noma ukulima;Lawula uhlobo lwesitshalo (ukuvimbela indawo yokulala efushane neqinile);lawula ukuqhakaza noma ubulili bowesilisa nowesifazane, faka izithelo ezingenabantwana;Vula izimbali nezithelo, lawula ukuwa kwezithelo;lawula ukuma noma isikhathi sokuvuthwa kwesithelo;thuthukisa ukumelana nokucindezeleka (ukumelana nezifo, ukumelana nesomiso, ukumelana nosawoti kanye nokumelana neqhwa);Thuthukisa ikhono lokumunca umanyolo;ukwandisa ushukela noma ukushintsha i-acidity;ngcono ukunambitheka nombala;Thuthukisa ukukhiqizwa kwe-latex noma i-resin;ukuwohloka kwamaqabunga noma ukulinganisa (kusiza ukuvuna ngomshini);ukulondolozwa, njll.
NgokweMithethonqubo Yokuphathwa Kwezibulala-zinambuzane, izilawuli zokukhula kwezitshalo ziyingxenye yesigaba sokuphathwa kwezibulala-zinambuzane, futhi uhlelo lokubhalisa nokuphathwa kwezibulala-zinambuzane luzosetshenziswa ngokuvumelana nomthetho.Zonke izilawuli zokukhula kwezitshalo ezikhiqizwayo, ezithengiswa futhi zisetshenziswa eShayina kufanele zibhaliswe njengezibulala-zinambuzane.Lapho sisebenzisa izilawuli zokukhula kwezitshalo, kufanele sizisebenzise ngokuhambisana ngokuqinile nemiyalelo futhi sithathe izinyathelo zokuvikela ezinhle zokuvikela ukuphepha kwabantu, imfuyo namanzi okuphuza.
Isikhathi sokuthumela: Jun-08-2023