I-Paclobutrazol ngokuvamile iyimpuphu, engamuncwa esihlahleni ngezimpande, iziqu kanye namaqabunga ezihlahla zezithelo ngaphansi kokusebenza kwamanzi, futhi kufanele isetshenziswe ngesikhathi sokukhula. Ngokuvamile kunezindlela ezimbili: ukusabalalisa inhlabathi kanye nokufutha amaqabunga.
1. I-paclobutrazol engcwatshwe
Isikhathi esingcono kakhulu yilapho ihlumela lesibili lihluma cishe ngo-3-5 cm (lapho ophuzi ephenduka oluhlaza noma ngaphambi kokuba kube luhlaza okotshani). Ngokusho kosayizi womqhele, izinhlobo ezahlukene, kanye nenhlabathi ehlukene, kusetshenziswa amanani ahlukene e-paclobutrazol.
Ngokuvamile, inani lempahla ye-paclobutrazol lisetshenziswa ngemitha yesikwele yomqhele ongu-6-9 g, umsele noma umsele oyindilinga uvulwa ngamasentimitha angu-30-40 ngaphakathi komugqa wokuconsa noma ngamasentimitha angu-60-70 ukusuka ekhanda lesihlahla, bese umbozwa ngenhlabathi ngemva kokunisela. Uma isimo sezulu somile, Mboza inhlabathi ngemva kokunisela okufanele.
Ukusetshenziswa kwe-paclobutrazol akufanele kube kusenesikhathi noma sekwephuzile kakhulu. Isikhathi esithile sihlobene nohlobo. Kusenesikhathi kakhulu kuzoholela kalula ekuhlumeni okufushane kanye nokukhubazeka; sekwephuzile kakhulu, amahlumela esibili azothunyelwa ngaphambi kokuba amahlumela esithathu abe luhlaza ngokuphelele.
Inhlabathi ehlukene izothinta nokusetshenziswa kwe-paclobutrazol. Ngokuvamile, inhlabathi enesihlabathi inomphumela omuhle wokungcwaba kunenhlabathi yobumba. Kunconywa ukusebenzisa i-paclobutrazol kwezinye izivande zezithelo ezinobuthi obukhulu benhlabathi.
2. Ukufutha ngamahlamvu e-paclobutrazol ukulawula amahlumela
Isifutho se-paclobutrazol foliar sinomphumela othambile kuneminye imithi, futhi singanciphisa ngempumelelo umonakalo esihlahleni ngesikhathi sokulawula amahlumela. Ngokuvamile, lapho amaqabunga ephenduka aluhlaza futhi engakavuthwa ngokwanele, sebenzisa i-paclobutrazol 15% wettable powder okokuqala cishe izikhathi ezingu-600, bese ukhuphula kancane kancane inani le-paclobutrazol 15% wettable powder okwesibili. Lawula amahlumela kanye njalo ezinsukwini eziyi-10. Ngemva kokulawula amahlumela izikhathi ezingu-1-2, amahlumela aqala ukuvuthwa. Qaphela ukuthi amahlumela awakavuthwa ngokugcwele, ngokuvamile ungafaki i-ethephon, ngaphandle kwalokho kulula ukubangela ukuwa kwamaqabunga.
Uma amaqabunga ephenduka aluhlaza, abanye abalimi bezithelo basebenzisa i-paclobutrazol ukulawula amahlumela kokuqala. Umthamo ungamagremu angu-1400 namanzi angu-450 kg. Ukulawulwa kwesibili kwamahlumela kufana kakhulu nowokuqala. Umthamo uzoncishiswa kamuva uze ufinyelele ku-400. Nge-250 ml ye-ethephon. Uma kuqala ukulawula amahlumela, isimo esivamile ukulawula kanye njalo ezinsukwini eziyisikhombisa, kodwa imigomo yelanga noma ezinye izici kumele zicatshangelwe. Ngemva kokulawulwa kokuqina, kungalawulwa kanye njalo ezinsukwini eziyishumi.
Isikhathi sokuthunyelwe: Jan-26-2022
