Indlela elandelanayo esebenzisa i-nematicide ewuketshezi enendlela entsha yokusebenza kanye nomkhiqizo okhona oyimbudumbudu kuyisu elihle kakhulu lokubhekana ne-cyst nematode yamazambane, ngokusho kwezivivinyo ezenziwa yiqembu elikhethekile lamazambane iqembu i-Produce Solutions.
Le nkampani isichithe iminyaka emithathu ihlola iVelum Prime (i-fluopyram) eShropshire, iyisebenzisa yodwa futhi ilandelana nama-granular nematicides ngamanani ahlukene. Ifemu manje inombono ocacile endaweni yayo kumasu we-potato cyst nematode (PCN) kanye nezindleko ezithintekayo.
Ku-agronomist uJames Lee, owengamele izivivinyo, umsebenzi ukuqinisekisile ukuthi iVelum Prime (i-fluopyram) ayithathi indawo yama-granular nematicides kumasayithi anengcindezi ye-PCN elinganiselayo kuya phezulu. “Esikubonile ngemuva kweminyaka emithathu ukuthi iVelum Prime ineqhaza elibalulekile ekulekeleleni eminye imikhiqizo,” usho kanje. "Ngaleyo ndlela, okutholakele kwethu kuhambisana nalokho obekushiwo ngumkhiqizi uBayer."
Kuze kube ngonyaka odlule, ukulawulwa kwamakhemikhali kwezinambuzane kuncike ekusetshenzisweni kwe-granular kwama-nematicides afana ne-Vydate (oxamyl). Ngemuva kwalokho kwaqhamuka iVelum Prime entwasahlobo ka-2019, esekwe ku-SDHI fungicide fluopyram, ejwayelene nabalimi bakakolo abaphethe izifo ezinjenge-septoria.
Imiphumela
Esivivinyweni sango-2019, isivuno esihle kunazo zonke kanye nomugqa ophelele kakhulu uqhamuke ekusetshenzisweni okulandelanayo kweVelum Prime ne-Vydate ephelele, kunehafu yesilinganiso somkhiqizo oyimbudumbudu. Leyo ndlela imele izindleko zamakhemikhali ezibalulekile kubalimi ekuqaleni kwesizini, enezela kulokho okuvame ukuba izindleko zokuvikela izitshalo ezinkulu kakhulu, uyavuma.
“Kukhona izindleko ezibheke phambili, kepha bekuyindlela enenzuzo enkulu. Ithumele isivuno esikhulu kakhulu nezinzuzo ezinhle kakhulu. ”
Isivivinyo esikhulu se-Produce Solutions ngo-2019 senziwa eShropshire esitshalweni sentengiso seMaris Piper esalinywa enhlabathini enesihlabathi.
Vakashela wethu Yazi kanjani isikhungo sezeluleko ezingokoqobo zokulima
Ukuhlolwa kwembula ukuthi izinhlobo ze-PCN ezikhona ziyi-G pallida kuphela, ngokuhlolwa kokutshala ngaphambi kokubonisa inani lokuqala lamaqanda angama-27 / g womhlabathi. Kusetshenziswa iziza zemigqa emibili, ngamunye u-12m ubude, imishanguzo yasetshenziswa kusetshenziswa imishini yasepulazini, kwathi iVelum Prime yafakwa kumshini wokutshala kwathi iVydate yasetshenziswa ekulungisweni kombhede. Lezi ziza zaphindaphindwa amahlandla amane.
Ukwelashwa kwesilingo se-PCN:
- Ukwelashwa 1: Akulashwa
- Ukwelashwa 2: IVelum Prime ngo-0.625 litre / ha
- Ukwelashwa 3: Vydate 10G ku-55kg / ha
- Ukwelashwa 4: IVelum Prime ku-0.625 litre / ha + Vydate ku-55kg / ha
- Ukwelashwa 5: IVelum Prime ku-0.625 litre / ha + Vydate ku-27.5kg / ha
Zonke izindlela zokwelapha zibe nomthelela omuhle ekukhuleni kwezitshalo nasekuvuneni kokugcina uma kuqhathaniswa nokungalashwa, okuphakamisa ukulawulwa kwe-PCN, kungeza uMnu Lee. Ngenkathi izinzuzo zokuvikelwa kwesivuno seVelum Prime zaziphakeme kancane kunalezo zeVydate lapho zisetshenziswa zodwa, ukusetshenziswa kwazo ngokulandelana kuholele ekuvuneni okuphezulu kakhulu.
"Lowo mehluko wesivuno uwedwa uthethelela ukusetshenziswa kwemikhiqizo yomibili ngesilinganiso esigcwele," kugcizelela yena. "Imininingwane esemajini nayo ikuxhasile lokhu futhi ikhombisa ingcindezi ye-PCN ebhekene nesilimo." Ngaphandle kwalokho, izinzuzo ezicacile zomzimba zarekhodwa kuzo zonke iziza eziphathwayo, ngaphandle kwemiphumela yokwelashwa ebonwe kokuqukethwe okomile noma ukutholakala kokukhubazeka kwangaphakathi.
Kwakukhona nomehluko omncane ekuveleni nasekukhuleni kombhede phakathi kwezindlela zokwelashwa, ngakho konke kufinyelela kuma-50% ukuvela ezinsukwini ezingama-31 ngemuva kokutshala. "Njengoba bekulindelwe, kubonwe izindonga eziqinile ezizeni ebezivikeleke kakhulu kwi-PCN emananini aphezulu okufakwa kwemikhiqizo."
Okuwukuphela kwento engahambi kahle esivivinyweni ukuthi ukuhlolwa kwenhlabathi ngemuva kokuvunwa kukhombisile ukuthi isilinganiso esiphakathi kwezinombolo zamaqanda okuqala (Pi) nezinombolo zokugcina zamaqanda (Pf) azishintshanga. “Lokho kusimangaze. Imiphumela ye-agronomic iphakamise ukuthi kuzoba khona amazinga aphindaphindiwe amakhulu kuziza ezingalashwa, kepha akubanga khona nokwanda kunoma yiluphi uhlobo lokwelashwa. Asinaso isiqiniseko sokuthi singakuchaza kanjani lokhu. ”
Isivuno, ubukhulu be-tuber nokuqukethwe kwezindaba ezomile | |||
Ukwelashwa | Isivuno esikhulu (t / ha) | Usayizi wama-tuber (mm) | Into eyomile (%) |
Akuhlanjwanga | 45.5 | 54 | 24.9 |
IVelum Prime (0.625 litres / ha) | 59.2 | 53 | 24.6 |
I-Vydate (55kg / ha) | 58.7 | 54 | 24.3 |
IVelum Prime (0.625 litres / ha) + Vydate (55kg / ha) | 70.6 | 55 | 24.1 |
IVelum Prime (0.625 litres / ha) + Vydate (27.5kg / ha) | 56.6 | 54 | 25.2 |
Ngibheka phambili
IVelum Prime iyisengezo esamukelekile esikhwameni se-potato cyst nematode futhi ifike ngesikhathi lapho kunengcindezi eyandayo ekusetshenzisweni kwe-agrochemical, ifingqa uJames Lee we-Produce Solutions.
Njengoba ikusasa lesikhathi eside lama-nematicide granules lingaqinisekile, abalimi kufanele basebenzise wonke amathuba ukubheka umkhiqizo omusha futhi babone ukuthi unendawo yini ohlelweni lwabo. "Kuhlale kunokwenzeka ukuthi, ngokuhamba kwesikhathi, iVelum Prime ibe ukuphela kwendlela yamakhemikhali," esho.
Ezinye izindlela zokulawula okungezona ezamakhemikhali kufanele ziqhubeke, ngokunqanda izicupho okuwukuphela kwendlela engcono kakhulu yokulawulwa kwe-PCN kweProduce Solutions, uyaphawula. "Kungahle kube yinselele ukuthola indawo ngokushintshana kwayo."
Le nkampani izokwenza olunye uvivinyo ngeVelum Prime kulo nyaka, ibheka lo mkhiqizo ngokuhlangana neVydate neNemathorin (fosthiazate), ngezinga eligcwele kanye nohhafu.
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