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Mafangayi a soya: Zomwe muyenera kudziwa

Ndasankha kuyesa fungicides pa soya kwa nthawi yoyamba chaka chino. Kodi ndingadziwe bwanji fungicide yoyesera, ndipo ndiyenera kuyigwiritsa ntchito liti? Ndingadziwe bwanji ngati zingathandize?

Gulu la alangizi othandizira mbewu ku Indiana omwe akuyankha funsoli akuphatikizapo Betsy Bower, Ceres Solutions, Lafayette; Jamie Bultemeier, agronomist, A & L Great Lakes Lab, Fort Wayne; ndi Andy Like, mlimi ndi CCA, Vincennes.

Bower: Fufuzani kuti musankhe mankhwala opangira fung fungasi okhala ndi mitundu yosiyanasiyana yophatikizira triazole ndi strobiluron. Zina zimaphatikizanso zowonjezera zatsopano za SDHI. Sankhani imodzi yomwe ili ndi gawo labwino pamasamba a frogeye.

Pali magawo atatu a gawo la soya omwe anthu ambiri amakambiranaNthawi iliyonse imakhala ndi maubwino ndi zovuta zake. Ndikadakhala watsopano kugwiritsa ntchito fungicide ya soya, ndikadaloza pa R3, pomwe nyemba zimangoyamba kupanga. Pakadali pano, mumalandira masamba ambiri padenga.

Ntchito ya R4 yachedwa mochedwa pamasewera koma itha kukhala yothandiza kwambiri ngati tili ndi matenda ochepa chaka. Kwa wogwiritsa ntchito fungicide koyamba, ndikuganiza kuti R2, maluwa onse, ndi molawirira kwambiri kuti agwiritse ntchito fungicide.

Njira yokhayo yodziwira ngati fungicide ikuwonjezera zokolola ndikuphatikiza chidutswa chopanda ntchito m'munda. Musagwiritse ntchito mizere yomalizira pazitsulo zanu, ndipo onetsetsani kuti mukupanga chidutswa cha chekecho kukula kwake kwa mutu wophatikiza kapena kuphatikiza konseko.

Mukamasankha fungicides, yang'anani pazinthu zomwe zimathandiza kuthana ndi matenda omwe mwakumana nawo mzaka zapitazi mukamayang'ana m'minda yanu isanakwane komanso ikadzaza tirigu. Ngati izi sizikupezeka, yang'anani chinthu chomwe chimapereka zochitika zingapo.

Bultemeier: Kafukufuku akuwonetsa kuti kubweza kwakukulu pakugwiritsa ntchito fungicide kamodzi kumachokera ku R2 mochedwa mpaka R3 yoyambirira. Yambani kuyang'ana minda ya soya pafupifupi sabata iliyonse kuyambira pachimake. Ganizirani za matenda ndi kupanikizika kwa tizilombo komanso gawo lokula kuti muwonetsetse momwe mungagwiritsire ntchito fungicide nthawi. R3 imadziwika pakakhala pod ya 3/16-inchi pa imodzi mwazinthu zinayi zapamwamba. Ngati matenda onga nkhungu yoyera kapena tsamba la masamba a frogeye atapezeka, mungafunikire kuchiza musanafike R3. Ngati mankhwala amachitika R3 isanakwane, pangafunike kufunanso kachiwiri mukadzaza tirigu. Mukawona nsabwe za m'masamba, stinkbugs, kafadala kapena kafadala waku Japan, kuwonjezera kwa mankhwala ophera tizilombo kungakhale koyenera.

Onetsetsani kuti mwasiya cheke osachiritsidwa kuti zokolola zitha kufananizidwa.

Pitirizani kufufuza m'munda mutatha kugwiritsa ntchito, poyang'ana kusiyana kwa kukakamizidwa kwa matenda pakati pa magawo omwe amachiritsidwa ndi osalandiridwa. Kuti fungicides iwonjezere zokolola, payenera kukhala matenda oti fung fungus iwongolere. Fananizani zokolola pambali pakati pa chithandizo ndi osachiritsidwa m'malo opitilira gawo limodzi.

Monga: Nthawi zambiri, kugwiritsa ntchito mafangayi mozungulira R3 kukula kumapereka zipatso zabwino kwambiri. Kudziwa fungicide yabwino kugwiritsa ntchito matenda asanayambike kungakhale kovuta. Mwazidziwitso zanga, fungicides yokhala ndi mitundu iwiri yogwira ntchito komanso kutchuka pamasamba a frogeye agwira ntchito bwino. Popeza ndi chaka chanu choyamba ndi fungicides ya soya, ndimasiya masamba angapo owerengera kapena kugawa minda kuti ndidziwe momwe zinthu zilili.


Post nthawi: Jun-15-2021