In imbewu amazambane, Ukubulawa kwe-haulm kuqalwe ngoJulayi. UReglone noFinale abasavunyelwe ukubulawa kwamazambane ngamakhemikhali. Ixhaswe yi-Arable Farming Sector Organisation ngohlelo lwe-Plant Health Action Plan, uDelphy wenza ucwaningo ngezinye izindlela nangezinye izindlela ngonyaka wezi-2019 nowe-2020.
Ngemuva kweminyaka emibili yocwaningo, kusobala ukuthi lo mkhuba kumele ukwazi ukubhekana namathuba amanje ngolwazi oluhle lwamaqiniso. Kodwa-ke, kuhamba kancane ngemithi yokwelashwa okugcwele kuphela.
Kufafazwa izinkambu ezigcwele kuphela
Ngaphezu kokuthola ukufakwa kosayizi ofanele nokumisa ukudluliswa kwamagciwane ngama-aphid, ukubulawa kwamahlamvu ngokushesha kubalulekile ukunciphisa ubungozi bokungcola kwezilimo eziyizigaxa ngezifo zebhaktheriya ezifana ne-Erwinia nePhoma.
Amashejuli wokufafaza afuthwe ngesifutho esijwayelekile esine-Quickdown neSpotlight Plus kanye nevolumu ephezulu yesifutho aqhathaniswe nesilingo esasise-Emmeloord ngokuxhaswa komoya kanye neWingsSprayer ngevolumu ephansi yesifutho. Izimo ngesikhathi sokufafaza zazifudumele nge-RH ephansi. Kutholakale ukuthi ngaphansi kwalezi zimo ivolumu ephezulu yesifutho yasebenza ngokusobala kangcono kunevolthi ephansi yokuphamba: i-385 l / ha yayanele, i-215 l / ha yayiphansi kakhulu.
Ishadi lokuqala elingezansi likhombisa umphumela ekubuyeni kwesiqu. Nalo magazini waphendula ngendlela efanayo. Umthamo omncane wokusebenza kahle awunakushiwo, njengoba kuya ngezimo. I-oda le-Spotlight ne-Quickdown kusheduli lokufafaza alibanga namthelela. Uma izifutho ezinama-Quickdown amabili ne-Spotlight eyodwa zingasebenzi kahle ngokwanele, kungenzeka ukuqhuba esinye isifutho nge-Affinity Plus.
Izindlela zemishini
Ocwaningweni, akukho ukufafaza okwenziwe ezintweni zemishini ngaphambi kokugoqwa ukuvimba isivuno. Lokhu kusivumele ukuthi sibone kangcono umehluko phakathi kwezinto. Ku-graph two ngezansi, kungabonakala ukuthi umehluko wawumkhulu ngo-Agasti 6 (ezinsukwini eziyisishiyagalombili ngemuva kokwelashwa kokuqala) kepha bese usuvele uxhaswe ngo-Agasti 17 (ezinsukwini eziyishumi ngemuva kokwelashwa kokugcina). Ukufafaza okubonakalayo ngokushesha ngemuva kokushaywa (ulayini wewolintshi) kusebenze ngokushesha okukhulu ngenxa yezimo ezinhle. Imigqa yezinye izinto icishe iqondane.
Ngemuva kokufafaza kokuqala ukumisa isivuno, kungcono ukudonsa amahlamvu. Endaweni yesibili i-haulm ishaya futhi okwesithathu ukuqhubeka nokufafaza insimu egcwele. Ukufafaza insimu egcwele kungaba nethuba lokuthi umhlabathi awuhlanganisiwe njalo emamitheni amathathu futhi nengozi yokuba namanzi phakathi kwezigqoko kuyagwenywa. Ngokwako, i-haulm flapping isebenza ngokushesha kunokufafaza kwensimu ephelele. Ngokuhlanganisa ukushaya kwe-haulm ne-Spotlight spraying ne-Haulm-Do, ukufafaza insimu egcwele kuyasindiswa.
Iziphetho nezeluleko
Izinkambu ezigcwele kuphela:
- Qala ekuqaleni ngokubulawa kwe-haulm.
- Qala nge-Quickdown noma i-Spotlight Plus.
- Lungisa ivolumu yokufafaza ngezimo. Ku-RH ephansi nokuhwamuka okusheshayo kwamaconsi esifutho, ivolumu okungenani elingu-400 l / ha liyadingeka.
- Qiniseka ukuthi udla kahle, lapho lina futhi kunamafu, amazambane embewu angafafazwa kusihlwa. Ngenxa yesikhathi eside semini ehlobo, ukusebenza kuzoba kuhle.
- Uma kunesidingo, isifutho sesine singenziwa nge-Affinity Plus.
Amasu wokukhanda
Ngemuva kokufafaza ukumisa isivuno:
- ukudonsa ukudonsa
- Izindunduma ze-haulm zihlangene noma zilandelwa isifutho esisodwa noma ezimbili
Umphumela omuhle utholwe ngokuhlanganiswa kwama-haulm flaps ne-Loof-Do. Umthamo wesifutho ophansi nawo awunankinga ku-RH ephansi. Ngaphansi kwezimo ezinhle, umthamo weSpotlight Plus noma i-Quickdown ungancishiswa ngamaphesenti angama-25 kuye kwangama-50.
Kodwa futhi
- Ngaphambi kokuhluma ukuze uqale kahle
- Nciphisa i-nitrogen kancane
Insimu yamazambane embewu yosuku
Ngosuku lwensimu yamazambane embewu ngomhla ka-8 Julayi eSwifterbant, imiphumela yocwaningo izophinde ichazwe futhi abeluleki beDelphy bazobe bekhona. Ukubhaliswa kuyadingeka ngenxa ye-corona .
Source: Delphi