Kubatsira varimi kuti vawane mhando dzembatatisi dzinowedzera kusimba kune inogona kukanganisa kupisa-wave kwakakosha mukuchengetedzeka uye kuita pundutso yeCanada matani 4.5 miriyoni pagore kugadzira mbatatisi, inoshuma. Portal Potatoes.news.
Vachiziva kudiwa uku, Dr. Xu-Qing Li, Agriculture neAgri-Food Canada (AAFC) Research Fellow paFredericton Research and Development Center muNew Brunswick, vave vachidzidza kupisa kupisa mumbatatisi kwemakore. Muna 2018, akatora basa rake padanho rinotevera nekubatanidza mauto nechikwata chemasaenzi kubva kuYunivhesiti yeNew Brunswick uye akati wandei vevabatsiri vepasirese kuti vadzidze mhinduro yemhando makumi mashanu neshanu dzembatatisi dzakasiyana pakupisa kushushikana, yekutanga kudzidza kukuru. zverudzi rwayo.
Mune akawanda emhando dzakadzidzwa, kushushikana kwekupisa kwakaderedza ukuru hwemashizha, asi kwakawedzera kumusoro uye kureba kwezvirimwa, nepo kuchideredza zvakanyanya kuwanda uye kuyerwa kwemachubhu. Ongororo iyi yakaratidzawo kuti ndedzipi mhando dzainyanya kupisa: Eramosa, Chieftain, AC Belmont neSuperior.
Kuziva marudzi aya raive danho rakakosha rekutanga, asi kunyangwe mbatatisi idzi hadzina kunyatsoita zvakanaka mukupisa, saka zvaive pachena kuti tsvakiridzo yakawanda yaidiwa. Muna 2020, Dr. Lee vakabatsirana nemumwe waaishanda naye kuAAFC Dr. Benoît Bizimungu nemasayendisiti kuQueen's University kuita tsvakiridzo yakazopihwa American Journal yePotato Research.
Mukudhindwa kwavo "Pesvedzero yekukura kwekutanga pakupokana nekushushikana kwekupisa mumhando makumi mashanu dzembatatisiYakasimbiswa kuti mhando dzembatatisi dzinozivikanwa nekutanga kuibva mumunda dzakakura pamwero wakafanana neaya gare gare apo dzakaiswa pasi pekupisa kwekupisa mumagreenhouses, i.e. kupisa chaiko kwakadzikira muitiro wavo wekukura.
Ongororo yakaitwa naDr. Lee nevamwe vakatsvaga majini embatatisi anogona kubatsira kutsanangura kuti sei zviri izvo uye nzira dzinoratidza kuti mbatatisi ichakurumidza kukura kana kunonoka.
Kupisa kunokonzera kuti mbatatisi ipindure nekushandura nguva yainotora kuti iibva, uye tembiricha yepamusoro inononoka kukura kwayo.
Kutevera chidzidzo ichi chakahwina mubairo, Dr. Lee akatanga uye akatungamira chirongwa chitsva chekutsvagisa kuti vadzidze zvakatowanda uye kunyura mukati megenomic nzira dzemhinduro yembatatisi pakushushikana kwekupisa. Muna 2020, akaziva majini anodzora kumera kunokonzerwa nekupisa.
Mbatata inorimwa muchirimo chinopisa, yakaoma kazhinji ine chirema chinonzi "pre-harvest seedlings" kana "mhodzi dzinopisa" dzinogona kushandura kemikari yemachubhu uye kuderedza huwandu hwese uye kutengeswa kwembatatisi.
Muchidzidzo ichi, 18 dzakasiyana cultivars dzakashandiswa kuona kana kupisa kwekushushikana kwemamiriro ega ndiko honzeri yedambudziko rekumera. Chirongwa ichi chakasimbisa kuti kupisa chokwadi ndiko kwaive honzeri, uye kuti kunonoka kwechisikigo kana kunonoka kwemhando iyi yaive isina chekuita nekuti yakamera nekushushikana.
Kuti asvike mhedziso iyi, vatsvakurudzi vanoshanda naDkt. Tsvagiridzo yeTranscriptome inosanganisira kuongorora majini, majini ekudyidzana network, uye mRNA zvimiro zvesero kuti vaone maitiro avanoita kana vasangana nemamiriro ekunze kana zvirwere, zvichipa kutarisa kwakadzama uye kwakadzama kwemaitiro nemashandiro esero.
Chidzidzo ichi chakawana kuti majini ane chekuita nedormancy anodzikiswa mukupisa kwakadzvanywa mbatatisi, sezvazviri mumashure mekukohwa mushure mekukohwa mushure mekukohwa kupisa-kusimbisa mbatatisi, zvichiratidza kuti chirimwa chehomoni metabolism inoita basa rakakosha mukumera. Ruzivo urwu ruchabatsira kana zvasvika pakunatsiridza mbatatisi mhando dzekudzivirira kumera pasi pemamiriro ekupisa.
"Zvatakawana zvichabatsira varimi nemaprosesa kuita sarudzo dziri nani dzekuchengeta uye kugadzira mbatatisi dzakatsikiswa," anodaro Xiu-Qing Li. "Iri idambudziko rakatarisana nevagadziri pasirese, uye zvanga zvakanaka kuti tikwanise kubatsira mukunzwisisa kwedu nyaya iyi uye nekupa mazano ane humbowo." Chidzidzo ichi chakapa ruzivo rwakakosha mukusarudzwa kwemhando dzembatatisi dzinokura, nzira yekuronga zvakanaka kuchengetedza uye kushandiswa kwembatatisi yakasimbiswa nekupisa, uye ruzivo rwekubatsira kugadzira mhando dzisingashiviriri kupisa mune ramangwana.
Sezvo shanduko yemamiriro ekunze ichityisidzira kuunza kunyange kupisa uye kusingaite mamiriro ekunze, Dr. Lee vanokurudzira kumwe kuongororwa kwemhando panguva yekupisa kwezhizha uye nekumwe kuvandudzwa kwemaitiro akazara ekudzikisa njodzi yekushushikana kwekupisa.
Tsvagiridzo iyi inobatsira zvakanyanya kudzikisira njodzi yekugadzirwa kwembatatisi muCanada nepasirese.