Pallid nematode ndi tizilombo toopsa kwambiri ku UK. Pafupifupi 65% yamunda wadziko lonse wogwiritsidwa ntchito kulima mbatata ili ndi tizilombo toyambitsa matendawa.
Pakadali pano, kuphatikiza njira zotsatirazi kugwiritsira ntchito ma nematode: kusankha mitundu ya mbatata yolimbana ndi tizilombo, kukulitsa malo ozungulira mbewuyo kuti mbewuyo ibwerere kumalo ake asanakwane zaka 8 ndikugwiritsa ntchito zachilengedwe mankhwala osatetezeka.
Monga gawo la pulogalamu ya Farmers Innovative, alimi anayi aku Britain akugwira ntchito ndi asayansi kuti afufuze njira ina yoyendetsera nematode pogwiritsa ntchito mbewu zomwe zimadziwika ngati zokolola, zomwe zimateteza mbeu ku tizirombo.
Mankhwala omwe amatulutsidwa ndi mizu ya msampha amaonetsa kupezeka kwa chakudya choyenera ndikulimbikitsa ma nematode kuti atuluke. Tiziromboto timayamba kudya mizu ya msamphawo, osati mbatata, ngakhale mbewuzo zisanabzalidwe. Njira yolamulirayi imapindulanso kawiri: pogwiritsa ntchito msampha wobzala m'malo mwa mbewu yabwino, mbatata sizingapeze mphamvu zokwanira kubereka ndikumaliza moyo wawo, potero zimachepetsa kuwonongeka kwa nthaka.
Alimi anafesa mbewu za misampha kumapeto kwa Juni komanso koyambirira kwa Julayi, patangotha nthawi yokolola tirigu, ndikufesa kwachiwiri kumachitika mwezi umodzi pambuyo pa woyamba. Mitundu iwiri ya misampha idagwiritsidwa ntchito - Solanum sisymbriifolium (yomata nightshade) ndi Solanum scabrum (African nightshade).
S. sisymbriifolium imatha kuchepetsa kuchuluka kwa nematode mpaka 80%, koma ndikovuta kukula kumunda. Kulima kwa S. scabrum sikuphunziridwa kwenikweni ku UK, koma pali kuthekera kwakukulu kuti chomeracho chikuyenera nyengo yadzikoli.
Alimi ndi asayansi akuti kubzala mozama kumatha kubweretsa zotsatira zabwino kuposa kubzala osaya, chifukwa chake adaganiza zoyesa njira ziwiri zobzala mozama kubzala: 1,5 cm ndi 3 cm.
Pomaliza titha kunena kuti kufesa koyambirira, kupewa dothi lonyowa komanso kuchuluka kwa mbewu ndizothandiza kwambiri. S. sisymbriifolium, yofesedwa mozama masentimita 1,5, m'malo osiyanasiyana ndi nyengo zadziko, idapereka mphukira zosalala kwambiri.
Kafukufuku wazomera za pallid nematode ku UK akupitilizabe.