Wani sabon bincike da masana kimiyyar Texas A&M AgriLife suka yi ya gano juriya ga guntun zebra a tsakanin wasu nau'ikan dankalin turawa. Phys.org. Labarin "Ganewa da Halayen Juriya na Dankali ga Zebra Chip Daga cikin Wild Solanaceae" kwanan nan ya bayyana a cikin mujallar. Faransanci a Microbiology.
Zebra guntu cuta ce mai rikitarwa ta dankali, abin da ke haifar da cutar shine kwayar cutar Candidatus Liberibacter solanacearum, masu dauke da cutar kwari ne. An fara gano cutar a Saltillo, Mexico, a tsakiyar 90s. Sannan an gyara cutar a yankuna da dama na duniya inda ake noman dankali. Cutar tana shafar adadin girbi kuma tana iya haifar da asarar amfanin gonakin dankalin turawa (har zuwa 94%). Alamomin sun haɗa da launin ɗanyen ganye, murƙushe ganyen sama, tubers na iska, bushewa, ƙarancin girma, da mutuwar shuka.
Kwayoyin da ke haifar da wannan cuta kuma suna iya cutar da sauran kayan lambu. Dabarun sarrafa guntun zebra na yanzu sun haɗa da sarrafa vector, ko dai tare da maganin kashe kwari ko ta canza kwanakin shuka.
Binciken da masana kimiyyar Texas suka yi sun yi amfani da nau'in dankalin turawa na daji da aka noma daga tsaba da aka samu daga Tsarin Tsirrai na Kasa na Amurka a Wisconsin.
An gano sabbin hanyoyin juriya ga guntun zebra a cikin tarin daji na nau'in Solanum mai tuberous. Wannan rukuni na dankalin daji wani nau'i ne na taxonomically da kyau da kuma nau'i daban-daban wanda za'a iya fitar da haruffa masu mahimmanci daga ciki.
Da yawa daga cikin abubuwan shiga 52 da aka yi nazari sun kasance masu saukin kamuwa da matsakaicin matsakaici, suna nuna ɗan ɗanɗanowar ganye, chlorosis da stunting. Bayan tantancewa, tantancewa da ƙididdige ƙwayoyin ƙwayoyin cuta a cikin samfuran da suka kamu da ƙwayoyin cuta, masanan kimiyya sun gano nau'in juriya guda ɗaya, Solanum berthaultii, tare da wasu samfuran guda uku waɗanda ke da matsakaicin juriya. Hanyoyi uku da aka gano a cikin binciken a matsayin matsakaicin juriya ga guntun zebra sune S. kurtzianum, S. okadae da S. raphanifolium.
Tawagar Mandadi ta gano cewa S. berthaultii yana da yawa, trichomes leaf glandular, kuma wannan tsarin gyare-gyare na ganye na iya zama ɗaya daga cikin abubuwan da ke da alhakin yawancin jurewar cutar.
Yaduwar dankalin turawa S. berthautii ya faru a Bolivia, wanda ke kusa da Peru kuma a tarihi ana daukar shi asalin "ƙasar mahaifa" na dankalin turawa. Wataƙila ana iya amfani da S. berthautii wajen kiwon sabbin nau'ikan dankalin turawa.
Irin wannan hanyoyin don gano sabbin juriya na kwayoyin halitta da juriya a cikin nau'ikan tsire-tsire na daji na iya taimakawa wajen yaƙar sauran cututtukan amfanin gona masu haɗari kamar cutar ta daɗe. dankali, lambun citrus da ayaba wilt.