A lokacin da iko da shuka cutar cututtuka da aka dauke da tattalin arziki, domin perennial 'ya'yan itatuwa, misali, kokarin da aka mayar da hankali a kan kashe vectors da kuma cire madadin runduna kamar weeds. Shuka cututtuka ba zai iya harba mutane da kuma sauran dabbobi domin za su iya haifuwa kawai a cikin shuka Kwayoyin. Shuka suna da m da kuma tasiri tsaro da makirci. Daya daga cikin mafi inganci ne gaban da ake kira shuka juriya genes (R). Kowane shuka ƙwayoyin cuta ne sau da yawa yada daga shuka zuwa shuka da kwayoyin halitta, da aka sani da vectors. Wadannan su ne kullum kwari, amma wasu fungi, nematode tsutsotsi, da kuma single-celled halittu sun nuna su zama vectors. A lokacin da iko da shuka cutar cututtuka da aka dauke da tattalin arziki, domin perennial 'ya'yan itatuwa, misali, kokarin da aka mayar da hankali a kan kashe vectors da kuma cire madadin runduna kamar weeds. Shuka cututtuka da aka samar a cikin kwayoyin halitta za a iya sau da yawa a gani
ƙwayoyin cuta