Yi Wang, Mubatsiri Professor & Extension Potato uye Vezvirimwa Kugadzira Nyanzvi, University of Wisconsin Madison-
Kwemwedzi mitanhatu yekupedzisira, ndakagadzira akawanda mavlogs nezve akasiyana maficha ekutengesa mbatatisi. Aya mavlogs akarekodha zvakajairika zvinoshandiswa nevarimi veWisconsin kugadzira mhando yakanaka yemapatata. Pazasi pane YouTube vhidhiyo zvinongedzo:
- Mbeu yemazamu kucheka: https://www.youtube.com/watch?v=1HwMD20GPZA
- Kudyara mbatatisi: https://www.youtube.com/watch?v=7zix2Fz8QO0
- Kukohwa mbatatisi nekuchengetedza: https://www.youtube.com/watch?v=eUwtbw7rLxM&t=43s
Kune varimi vepamba vanofarira kurima mbatatisi kuseri kwako, ndakaisa hurukuro yekuwedzera yandakaitira iyo 2021 Wisconsin Garden & Landscape Expo: https://www.youtube.com/watch?v=GWWG4O3etqE&t=4s Uye iyi ndiyo Q&A peji rewebhu rinosanganisira rumwe ruzivo nezve imba kukura mbatatisi muYunivhesiti yeWisconsin
Parizvino chitubu cha2021 chave chakanakisa muWisconsin. Mamiriro ekunze anga akanaka kuti ubudise tembiricha yevhu uye hunyoro hwevhu hwakanaka. Varimi vanga vachidyara kubvira svondo rapfuura, zvinova zvishoma kumberi kupfuura avhareji yemakore. Tichitarisa mamiriro ekunze mumavhiki maviri anotevera, kudyara kunofanirwa kufamba zvakanyatsonaka uye isu tese tinotarisira kune mumwe mwaka unobereka zvirimwa. Chekupedzisira, zvimwe zvekumisikidza, ini ndichawana ACL yekuvakazve kutanga kwaMay, saka ini handizokwanise kufamba kweanopfuura mavhiki mana mushure mekuvhiyiwa. Ndichaedza nepandinogona napo kupa miriwo inogadziridza nguva nenguva ini ndichipora.
Amanda Gevens, Sachigaro, Professor & Extension Vegetable Pathologist, University of Wisconsin Madison
Yakajairika Scab Biology uye Management muMbatatisi: Nekuda kwekukanganisa kuwana PCNB (pentochloronitrobenzene kana Blocker) panguva ino mudunhu medu, ini ndinopa ino gadziriso pane-zvirimwa kurapwa kwekudzora kwakajairika scab mu mbatatisi. Kutenderera kwezvirimwa uye kushanduka kwakasiyana siyana kwakakosha mukati
kudzikamisa yakajairika scab kumanikidza. Mukati megore remunda, sarudzo dzekuwedzera muganhu wakajairika dzinosanganisira mbeu yakasimbiswa ine zviratidzo zvakadzika kana zvisina kujairika, uye kushandiswa kwemishonga yekudyara iyo yakaratidza kuwanda kwechirwere.
Zvakajairika scab yetaputi chirwere chisingarapike chechirimwa zvichikonzera kudzikiswa kwehunhu uye kazhinji kugadzikana nekuda kwekukanganisa periderm. Chirwere ichi chinokonzerwa neivhu, filamentous, Gram-positive mabhakitiriya mune genus Streptomyces. Iyo bhakitiriya inogadzira spores uye inozvibata zvakanyanya kunge fungal utachiona. Rudzi rweStreptomyces rwunosanganisira zvipuka nematambudziko ari pathogenic kumbatatisi, kunyanya maStreptomyces scabies, asiwo mhando dzisiri pathogenic kune mbatatisi. Ichi chirwere chinozivikanwa zvakaoma kuramba chichigadzirisa nemishonga yemakemikari kana yehupenyu; kusiyanisa kwemhando dzakasiyana kunofanirwa kuve zano rekutanga mukuvaka nzira yakasanganiswa yekutarisira. Nepo tsika dzetsika dzinosanganisira mvura uye pH manejimendi inogona kudzikamisa kuomarara kwechirwere, hapana tsika imwechete inodzora zvachose chirwere.
Mishonga: Mumakore gumi nemaviri apfuura, chirongwa changu chave kuita tsvagurudzo kuti unzwisise zvirinani nzira dzekudzora hura hwechigarire. Isu, semamwe mapurogiramu akawandisa ezvepasi rose, takafunda zvinoitika zvekutanga kudyara, kudyara mbeu, mu-furrow-kuiswa, uye mu-mwaka mishonga yezvipembenene uye mimwe mishonga inosimudzira hutano pane zvakajairika kupurwa mumhando dzembatatisi dzinokanganisa. . Mhedzisiro kubva kuzhinji ekurapa zvirongwa zvinosanganisira zvipenyu uye biopesticides zvinowanzo shanduka pakati pemakore.
Blocker pakudyara, ine kumwe kuderedzwa kusinganzwisisike mune yakajairika scab, asi usambo zadza kutonga. Bacillus marudzi (kureva: Double Nickel, Serenade) yakapa kudzora kwechinyakare scab, asi nekumwe kusiyana pakati pemakore. Kunyangwe kudzikira kwakadzikira pakurapa kunonzwisisika kwechirwere chakajairika, iri basa rinoshanda kuenderera mberi nekutsvaga kwehuwandu hwezvirango zvebiology uye biopesticidal, pamwe nekushandisa nguva, kuiswa, uye nzira dzekuyera. Mune yangu posvo seAdvension Plant Pathologist, zvinogona kunge zvakakosha kuti uone kurapwa kusingashande sezvazviri kuziva izvo zvinoshanda. Rondedzero yehukama hwakaringana hwemishonga yatakadzidza yakapihwa pazasi.
Pathogen biology: Takatarisa kusiyanisa kweStepptomyces zvipenyu zvichikonzera chakajairika pambatata muWisconsin ichiratidza kuramba kuchikwira kwe S. scabies, kunzwisiswa kwakajeka kweiyo genetics yeakasiyana maronda eelion phenotypes (akakwenenzverwa, akasimudzwa, akakwenenzverwa) uye kuramba kwevagari (mukubatana nePlant Research Geneticist Dr. Shelley Jansky weUW-Horticulture / USDA), uye isu takabatsira varimi kugadzirisa kwavo
mubvunzo webasa rekucheka maringe nembeu yakazara pane inoculum sumo kumwanasikana tubers.
Kupfupisa pano, pakanga paine tsika yeasina kujairika scab pane mwanasikana tubers ane yakagurwa mbeu maringe nembeu yakazara; uye, mbeu ine 5 kana 50% yakajairika scab kuomarara kwakakonzera kuitika kwakafanana uye kuomarara kwechirwere pamwanasikana tubers.