Ndafunga kuedza mushonga wefungicides pasoya beans kekutanga gore rino.Ndinoziva sei kuti ndeipi fungicide yekuedza, uye ndinofanira kuiisa riini?Ndichaziva sei kana zvichibatsira?
Bato remupi wemazano ekuIndiana rinopindura mubvunzo uyu rinosanganisira Betsy Bower, Ceres Solutions, Lafayette;Jamie Bultemeier, agronomist, A&L Great Lakes Lab, Fort Wayne;uye Andy Like, murimi uye CCA, Vincennes.
Bower: Tarisa kusarudza chigadzirwa chefungicide chine nzira dzakasanganiswa dzekuita dzinosanganisira kanenge triazole uye strobiluron.Zvimwe zvinosanganisirawo chitsva chinoshandiswa SDHI.Sarudza imwe ine basa rakanaka pane frogeye leaf spot.
Pane nguva nhatu dzenhanho dzesoyabean dzinokurukurwa nevanhu vazhinji.Nguva yega yega ine zvayakanakira nezvayakaipira.Dai ndaiva mutsva pakushandisa soya bean fungicide, ndainanga paR3 stage, apo mapods achangotanga kuumbwa.Panguva ino, iwe unowana kufukidzwa kwakanaka pane mazhinji emashizha ari mucanopy.
Iyo R4 application yakanakisa kunonoka mumutambo asi inogona kunyatso shanda kana isu tine yakaderera chirwere gore.Kune kekutanga mushandisi wefungicide, ndinofunga R2, izere maruva, inokurumidza kuisa mushonga wefungidzi.
Nzira yega yekuziva kana mushonga wefungidziri uchivandudza goho ndeyekusanganisira cheki strip isina kuiswa mumunda.Usashandise mitsara yekugumisira yecheki strip yako, uye ita shuwa kuti waita hupamhi hwecheki mutsara unosvika saizi yemusanganiswa wemusoro kana mubatanidzwa weround.
Paunenge uchisarudza mafungicides, tarisa pane zvigadzirwa zvinopa kutonga kwezvirwere zvawakasangana nazvo mumakore apfuura kana uchiongorora minda yako isati yasvika uye panguva yekuzadza zviyo.Kana ruzivo irworwo rwusipo, tsvaga chigadzirwa chakakura chinopa zvinopfuura imwe nzira yekuita.
Bultemeier: Tsvagiridzo inoratidza kuti kudzoka kukuru pakudyara kwekushandisa kumwe chete kwefungicide kunobuda kubva kunonoka R2 kusvika kutanga kweR3 application.Tanga kuongorora minda yesoyabhinzi pasvondo rega rega uchitanga pamaruva.Tarisa pachirwere uye kudzvinyirirwa kwezvipembenene pamwe nedanho rekukura kuti uve nechokwadi chekushandisa fungicide nguva.R3 inocherechedzwa kana paine 3/16-inch pod pane imwe yemanodhi mana epamusoro.Kana zvirwere zvakaita sewhite mold kana frogeye shizha rikaonekwa, ungangoda kurapwa isati yasvika R3.Kana kurapwa kukaitika R3 isati yasvika, chikumbiro chechipiri chinogona kudiwa gare gare panguva yekuzadza zviyo.Kana iwe ukaona akakosha soybean aphids, stinkbugs, bhinzi bhinzi zvipembenene kana nyuchi dzeJapan, kuwedzera kwemushonga wezvipembenene kuchikumbiro kungave kwakanaka.
Iva nechokwadi chekusiya cheki isina kurapwa kuitira kuti goho rienzaniswe.
Ramba uchiongorora munda mushure mekushandisa, uchitarisa kusiyana kwekumanikidzwa kwechirwere pakati pezvikamu zvakarapwa uye zvisina kurapwa.Kuti fungicides iwande goho, panofanirwa kuve nechirwere chiripo kuti mushonga wefungidzire kudzora.Enzanisa goho parutivi pakati pekurapwa nekusarapwa munzvimbo dzinopfuura imwe yemunda.
Se: Kazhinji, fungicide application yakatenderedza R3 yekukura nhanho inopa yakanakisa goho mhedzisiro.Kuziva yakanakisa fungicide yekushandisa isati yatanga chirwere kunogona kuve kwakaoma.Mune ruzivo rwangu, fungicides ine nzira mbiri dzekuita uye chiyero chepamusoro pane frogeye leaf spot yakashanda zvakanaka.Sezvo riri gore rako rekutanga nesoya bean fungicides, ndinosiya mashoma echeki mitsetse kana kupatsanura minda kuona kushanda kwezvigadzirwa.
Nguva yekutumira: Jun-15-2021