Kudyara maruva emusango muminda yembatatisi kunogona kuderedza kuwanda kwemavhairasi anotakurwa nemaaphid uye kuderedza kushandiswa kwemishonga inouraya zvipembenene, inoshuma kudaro Potatoes News.
Eric Anderson, mukuru agronomist uye nyanzvi yembatatisi kubva kuScotland, ari kutungamira miedzo naJim Reed papurazi raMilton Mathers. Jim ndiye muridzi wepurazi reAHDB Strategic Potato (SpoT) uye pamwe chete neAHDB, Colin Herron naColin Ross vanobva. McCain Mbatata vari kudzidza nzira dzakasiyana dzekurwisa hutachiona sechikamu chemakore mana eSPoT chirongwa chepurazi.
Huwandu hwehutachiona mukudyara kwembeu mbatatisi muna 2019 hwakasvika pamakore makumi maviri. Mhosva huru iPotyvirus, PVY, kunyanya PVY N strain (necrotic strain), uyewo PLRV.
PVYn ndiyo inonyanya kunetseka. Mukuwedzera, zvingangoita kuti kuenderera mberi kwekushandiswa kwakapararira kwepyrethroids kuchaita kuti kuve nengozi yekupikisa boka iri remishonga mune zvisiri-colonizing aphids.
Tsvagiridzo paRothamsted yekubatanidza maruva emusango muminda yekaroti uye kushanda naMatthias Tschumi kuSwitzerland inoratidza kuti kuedza kwakadaro kunogoneka nembatatisi. Eric akaziva maruva emusango akadai sechibage, common vetch, uye yarrow. Anoshanda zvakanyanya mukukwezva vavengi venyama veaphid. Izvi zvirimwa zvakakanuka zvine hurefu hwakafanana nembatatisi.
MuMilton, mitsara mitatu yakafara yemusanganiswa uyu yakadyarwa pakati pemitsara yembatatisi, ichigadzira chikafu chemaruva uye pekugara inokwezva kune hoverflies, laceworms uye ladybugs.
"Zvagara zvichizivikanwa kuti maaphid anonyanya kukwezvwa nechiedza chinotaridza ivhu mumibhedha isina chinhu uye nekusiyanisa zvirimwa zvakavakidzana. Kudyara maruva emusango kana kuparadzira mashanga pamibhedha iyi isina chinhu maitiro anobatsira evagadziri vembeu vekutanga - FG2 neFG3.
Kubudirira kwezvimedu mukudzivirira zvipembenene kunoenderana zvakanyanya nekugadzirwa kwebhotani. Eric anoyambira kuti pane nguva yekunonoka yekuti vavengi venyama vaungane muhuwandu, saka kushandiswa kweiyi nzira nemakemikari akadai semafuta emaminerari kunokurudzirwa.
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