Pakufufuza kwaposachedwa kwa alimi a mbatata omalizidwa ndi Spudman, nkhawa zakuletsa matenda zidawunikiridwa. Olima akuti akulimbana ndi vuto lakulimbana ndi fungicide ndi mankhwala ambiri omwe amagwiritsidwa ntchito polimbana ndi matenda ovuta. Mwa iwo omwe adafunsidwa, 43% adanenanso kuti kukana kukhala vuto lawo lalikulu pothana ndi matenda wamba a mbatata.
Zina mwazovuta zomwe alimi akuti amaphatikizira kachilombo ka mbatata Y (PVY), matenda ochedwa mochedwa, dickeya, chifuwa choyambirira, nkhanambo wamba, kuwola kwapinki ndi nkhungu yoyera. Mankhwala atsopano pamsika akutulutsidwa m'magulu osiyanasiyana a FRAC, opangidwa kuti azigwira ntchito zosiyanasiyana komanso kulimbana ndi kukana kugwiritsidwa ntchito mozungulira ndi akatswiri azikhalidwe.
Pa nkhanambo ndi mavairasi omwe amakhudza mbatata, alimi ayenera kudalira miyambo kuti ateteze ndikuchepetsa kufalikira kwa matendawa chifukwa chosowa njira zamankhwala pamsika. Izi zikuphatikiza kuyang'anira nsabwe ndi "Mbeu zoyera, kusankha kosiyanasiyana, komanso kusinthitsa mbewu zazitali ngati zingatheke ndikotheka," atero a Curtis Rainbolt, oyimira ntchito zaluso ndi BASF Corporation.
Ndikofunikira tsopano kuposa kale kuti alimi akulimbana ndi matenda ovutawa ndi ma chemisteri ochokera m'magulu angapo a FRAC mosinthana kuti athe kupewa komanso kuwongolera. Zithandizira kupewa zovuta zakuthana ndikusunga ma chemist kuti adzagwiritsidwe ntchito kumapeto kwa nyengo komanso nyengo zokula mtsogolo.
Vuto lalikulu lakuwonongeka koyambirira ndikuti ma chemist ambiri pamsika omwe amachiza amachokera ku gulu la FRAC 7. "Tikuwona kale kuchepa kwa kuwonongeka koyambilira koyambirira ndi gulu lina la 7 fungicides," adatero Rainbolt. Zatsopano za BASF zamatenda oyambilira, Provysol® fungicide, ikuchokera ku gulu la 3 la FRAC, Chifukwa chake izi zimapatsa alimi fungicide yolimbana ndi zovuta zina ngati angakumane ndi zovuta kukana koyambilira.
Pofuna kupewa ndikuletsa matenda monga zoyipa zoyambilira ndi nkhungu yoyera, a Ken Deibert, (woyimira ntchito zaukadaulo wa BASF ku ND / MN) amalimbikitsa alimi kuti azigwiritsa ntchito fungizisi ya Provysol® ndi fungura ya Endura® isanachitike. "(Ikani fungys ya Provysol® ndi fungura ya Endura®) kuti mupewe matenda oyambilira ndi nkhungu zoyera m'malo modikirira nyengo ikatha," adatero Deibert. "Nthawi zonse timawona njira yabwino kwambiri yolamulira matenda ndi zokolola pamene fungicides yothandiza kwambiri imagwiritsidwa ntchito koyambirira kwa nyengo," adatero Deibert.
Ndi PVY, njira ina ndikuchepetsa nsabwe za m'masamba kuti muchepetse matenda koyambirira. Tizilombo toyambitsa matenda a Sefina® Inscalis® ochokera ku BASF ndi omwe alimi angasankhe kuti asiye PVY isanayambe.
Olima amafunikiranso kulumikizana ndi ogwira ntchito ku yunivesite ya Extension kuti amvetsetse zovuta mdera lawo, makamaka matenda omwe ali pachiwopsezo chachikulu chofalikira mdera. Zowonjezera Ama gents athe kuzindikira omwe amalima matenda omwe akulimbana nawo kuti awonetsetse kuti mankhwala oyenera agwiritsidwa ntchito. Imeneyi ndi njira yina yolimbana ndi kasamalidwe kake: alimi amafunika kugwiritsa ntchito mankhwala okhaokha kuti athe kuchiza matenda omwe akuyembekezeredwa kudzachitika kapena omwe alipo. Ngati chemistry imagwiritsidwa ntchito mosafunikira kapena mopitirira muyeso, olima sangathenso kudalira mankhwalawo pambuyo pake ngati matendawa angadzabwere okha.
Kuti mumve zambiri zama chemistries a BASF omwe amalima mbatata, pitani https://agriculture.basf.us/crop-protection/products/provysol.html