Nematode na pallid shine babban kuma mafi haɗari kwaro na dankali a cikin Burtaniya. Kusan kashi 65% na ƙasar da ake amfani da ita don noman dankalin turawa na cike da wannan kwaro.
A halin yanzu, ana amfani da haɗin hanyoyin da ke gaba don yaƙar nematodes: zaɓin nau'ikan dankalin turawa masu jure wa kwari, haɓaka yanki na jujjuya amfanin gona don amfanin gona ya dawo wurinsa na asali ba a baya ba bayan shekaru 8 da amfani da muhalli. sinadarai marasa aminci.
A matsayin wani ɓangare na shirin Manoman Innovative, manoma huɗu na Burtaniya suna aiki tare da masana kimiyya don gano wata hanyar sarrafa nematode ta hanyar amfani da tsire-tsire da aka sani da amfanin gona na tarko, waɗanda a zahiri ke kare tsire-tsire daga kwari.
Sinadaran da tushen tsiron tarko ke fitarwa suna nuna alamar abinci mai dacewa kuma suna ƙarfafa nematodes don fita daga cysts. Kwayoyin sun fara ciyar da tushen tsiron tarko, maimakon dankali, tun kafin a shuka amfanin gona. Wannan hanyar sarrafawa tana da fa'ida sau biyu: Ta hanyar amfani da shukar tarko maimakon mafi kyawun shuka shuka dankalin turawa, nematodes ba za su iya tara isasshen kuzari don haifuwa da kammala tsarin rayuwarsu ba, ta yadda za a rage yuwuwar gurɓatar ƙasa a gaba.
Manoman sun shuka iri na tarkon a ƙarshen watan Yuni da farkon Yuli, jim kaɗan bayan girbin hatsi, ana yin shuka na biyu bayan wata ɗaya. An yi amfani da tarko iri biyu - Solanum sisymbriifolium (mai ɗaki na dare) da Solanum scabrum (na dare na Afirka).
S. sisymbriifolium na iya rage yawan nematode har zuwa 80%, amma yana da wuyar girma a cikin filin. Ba a yi nazarin noman S. scabrum a Burtaniya ba, amma akwai yuwuwar shukar ta fi dacewa da yanayin ƙasar.
Manoma da masana kimiyya sun ba da shawarar cewa shuka mai zurfi zai iya ba da sakamako mafi kyau fiye da dasa shuki, don haka sun yanke shawarar yin gwaji tare da zaɓuɓɓuka biyu don dasa zurfin dasa tarko: 1,5 cm da 3 cm.
Za'a iya yanke shawara mai mahimmanci a yanzu cewa shuka da wuri, guje wa ƙasa mai fadama da ƙimar shuka mafi girma shine mafi inganci. S. sisymbriifolium, wanda aka shuka zuwa zurfin 1,5 cm, a cikin yanayi daban-daban da yankunan yanayi na kasar, ya ba da harbe-harbe mafi kyau.
Ana ci gaba da gudanar da bincike kan tsire-tsire na tarkon nematode a cikin Burtaniya.