Njira yoyeserera yogwiritsira ntchito nematicide yamadzimadzi ndi njira yatsopano yogwirira ntchito limodzi ndi mankhwala omwe amapezeka kale ndi njira yabwino kwambiri yothetsera chotupa cha mbatata, malinga ndi mayeso omwe akatswiri a mbatata agronomy gulu la Produce Solutions adachita.
Kampaniyi idakhala zaka zitatu ikuyesa Velum Prime (fluopyram) ku Shropshire, ndikuigwiritsa ntchito yokha komanso motsatana ndi ma granular nematicides pamitengo yosiyanasiyana. Kampaniyo tsopano ikuwona bwino malo ake mu njira za mbatata chotupa nematode (PCN) ndi mtengo wake.
Kwa agronomist James Lee, yemwe amayang'anira mayeserowa, ntchitoyi yatsimikizira kuti Velum Prime (fluopyram) siyilowa m'malo mwa ma granular nematicides pamasamba omwe ali ndi kuthamanga kwa PCN pang'ono. "Zomwe tawona patadutsa zaka zitatu ndikuti Velum Prime ali ndi gawo lofunikira pothandizira zinthu zina," akutero. Potero, zomwe tapeza zikugwirizana ndi zomwe wopanga Bayer wakhala akunena nthawi zonse. "
Mpaka chaka chathachi, kuwongolera tizilombo toyambitsa matenda kudalira kugwiritsa ntchito mankhwala osokoneza bongo monga Vydate (oxamyl). Kenako kunabwera Velum Prime mchaka cha 2019, chomwe chimakhazikitsidwa ndi SDHI fungicide fluopyram, chodziwika bwino kwa olima tirigu omwe amayang'anira matenda am'mapazi ngati septoria.
Results
Poyeserera kwa 2019, zokolola zabwino kwambiri komanso malire apamwamba kwambiri adachokera pakugwiritsa ntchito kwa Velum Prime ndi Vydate yathunthu, m'malo mwa theka la zopangidwa ndi granular. Njirayi ikuyimira mtengo waukulu kwa alimi kumayambiriro kwa nyengo, ndikuwonjezera pazomwe zimakhala mtengo waukulu kwambiri woteteza mbewu, akuvomereza.
"Pali mtengo wapamwamba kwambiri, koma inali njira yopindulitsa kwambiri. Idapereka zokolola zambiri komanso zabwino kwambiri. ”
Chiyeso chachikulu cha chiwembu cha Produce Solutions ku 2019 chidachitika ku Shropshire pamalonda ogulitsa Maris Piper omwe amalimidwa panthaka ya mchenga.
Pitani kwathu Kudziwa kachitidwe likulu la upangiri waulimi wothandiza
Kuyesa kunawonetsa mitundu ya PCN yomwe ikupezeka kuti ndi G pallida yekha, pomwe mayeso asanabadwe akuwonetsa kuchuluka kwa mazira 27 / g wanthaka. Pogwiritsa ntchito magawo awiri amizere, kutalika kwa 12m iliyonse, mankhwalawa adagwiritsidwa ntchito pogwiritsa ntchito zida zaulimi, Velum Prime imagwiritsidwa ntchito pa-planter ndipo Vydate imagwiritsidwa ntchito polipira bedi. Ziwerengerozo zidasinthidwa kanayi.
Mankhwala oyeserera a PCN:
- Chithandizo 1: Sanalandire chithandizo
- Chithandizo chachiwiri: Velum Prime pa 2 litre / ha
- Chithandizo 3: Vydate 10G pa 55kg / ha
- Chithandizo 4: Velum Prime pa 0.625 litre / ha + Vydate pa 55kg / ha
- Chithandizo 5: Velum Prime pa 0.625 litre / ha + Vydate pa 27.5kg / ha
Mankhwala onsewa adathandizira pakukula kwa mbewu ndi zokolola zomaliza poyerekeza ndi omwe sanalandire chithandizo, kutanthauza kuwongolera PCN, akuwonjezera a Lee. Ngakhale kutetezedwa kwa zokolola za Velum Prime kunali kocheperako kuposa kwa Vydate mukamagwiritsa ntchito nokha, kugwiritsa ntchito kwawo motsatizana kunadzetsa zokolola zochuluka kwambiri.
"Zokolola izi zokha zimatsimikizira kugwiritsa ntchito zinthu zonsezi pamlingo wokwanira," akutsindika. "Ziwerengerozi zidathandiziranso izi ndikuwonetsa kukakamizidwa kwa PCN komwe kukumana ndi mbewu." Kupanda kutero, maubwino omveka bwino amthupi adalembedwa m'malo onse omwe amathandizidwa, osakhala ndi zotsatirapo zamankhwala pazowuma kapena kupezeka kwa zolakwika zamkati.
Panalinso kusiyana kochepa pakukula ndi kukula kwa denga pakati pa chithandizo, ndikufika kwa 50% kutuluka masiku 31 mutabzala. "Monga momwe zimayembekezeredwa, ma canopies olimba adawonedwa m'minda yomwe inali ndi chitetezo chambiri ku PCN ku mitengo yogwiritsira ntchito mankhwala."
Chokhacho chokha pamayeserowo chinali chakuti kuyezetsa nthaka pambuyo pa kukolola kunawonetsa kuti kuchuluka pakati pa manambala oyamba a dzira (Pi) ndi manambala omaliza a dzira (Pf) sikunasinthe. “Zinali zodabwitsa. Zotsatira za agronomic zikuwonetsa kuti padzakhala kuchulukitsa kokulira m'malo omwe sanalandire chithandizo, koma sipanakhale kuwonjezeka kwa mankhwala aliwonse. Sitikudziwa momwe tingafotokozere izi. ”
Zokolola, kukula kwa tuber ndi zinthu zowuma | |||
chithandizo | Zokolola zochuluka (t / ha) | Kutanthauza kukula kwa tuber (mm) | Nkhani youma (%) |
Zopanda tanthauzo | 45.5 | 54 | 24.9 |
Velum Prime (0.625 malita / ha) | 59.2 | 53 | 24.6 |
Vydate (55kg / ha) | 58.7 | 54 | 24.3 |
Velum Prime (0.625 malita / ha) + Vydate (55kg / ha) | 70.6 | 55 | 24.1 |
Velum Prime (0.625 malita / ha) + Vydate (27.5kg / ha) | 56.6 | 54 | 25.2 |
Kuyang'ana patsogolo
Velum Prime ndiolandilidwa kuwonjezera pa zida za mbatata chotupa chotchedwa nematode ndipo yafika nthawi yomwe anthu akukakamira kwambiri kugwiritsa ntchito mankhwala osokoneza bongo, mwachidule James Lee wa Produce Solutions.
Popeza tsogolo la nthawi yayitali la granules la nematicide silikudziwika, alimi ayenera kugwiritsa ntchito mwayi uliwonse kuyang'ana chinthu chatsopanocho ndikuwona ngati chili ndi malo m'dongosolo lawo. "Pali kuthekera kwakuti, m'kupita kwa nthawi, Velum Prime ndiye njira yokhayo yomwe ingagwiritsidwe ntchito ndi mankhwala," akutero.
Njira zina zosagwiritsira ntchito mankhwala zimayenera kupitilirabe, ndikutchera msampha kukhala njira yokhayo yothandiza pakulamulira kwa PCN kwa Produce Solutions, akutero. "Zachidziwikire, zingakhale zovuta kupeza malo osinthasintha."
Kampaniyo ikuyesanso Velum Prime chaka chino, ndikuyang'ana mankhwalawa kuphatikiza Vydate ndi Nemathorin (fosthiazate), pamlingo wokwanira komanso theka.