I ka loaʻa ʻole o ka lokahi ma waena o ka biology o nā ʻano like ʻole a me ke kaiapuni, ua hoʻopau ʻia nā hana physiological o ke kino, e alakaʻi ana i ka nāwaliwali o kona viability, ke kaumaha a me ka hopena, i ka emi nui o ka huahana a me ka maikaʻi o nā mea kanu. . No laila, no ka hana hua o kēlā me kēia ʻano, pono e koho ʻia nā wahi ulu maikaʻi loa a me kekahi mau lā no ka hoʻohou hou ʻana o nā mea kanu. ʻAʻole lawa ka loaʻa ʻana o nā ʻano maikaʻi no ka ulu ʻana i ka ʻuala. ʻO kahi mea e pono ai i nā pae āpau o ka ulu ʻana i nā mea kanu ka mālama pono ʻana i nā koi o ka hana hua ʻuala, pono e hōʻoia no ka manawa lōʻihi ʻaʻole wale ka mālama ʻana, akā ʻo ka hoʻomaikaʻi ʻana i nā ʻano waiwai o nā ʻano like ʻole. ʻO ka lawa ʻole o ka nānā ʻana i nā hua e alakaʻi i nā hopena weliweli e like me ka laha ʻana o nā maʻi like ʻole ma luna o nā mea kanu ʻuala, ka emi wikiwiki o ka hua, a me ka hoʻokuʻu ʻana o nā ʻano like ʻole i ke kahe. ʻO kekahi o nā hana koʻikoʻi i ka hoʻoulu ʻana i ka hua ʻuala ka hakakā ʻana i nā maʻi viral. ʻO kā lākou laha nui ʻana ma nā mahi kanu ʻuala ke kumu nui o ka maikaʻi ʻole o nā mea kanu. No laila, ʻo ka ulu ʻana i ka ʻuala me ka ʻole o ka maʻi maʻi he mea nui ia no ka hōʻoia ʻana i ka maikaʻi o ka hua. ʻO kēia ka hana paʻakikī loa, akā ʻaʻole hoʻokahi wale nō. Pono e kaʻawale loa ka ʻuala mai nā maʻi ʻē aʻe - fungal a me ka bacteria. ʻAʻole hiki ke hoʻopili ʻia me nā maʻi quarantine weliweli, e like me ka maʻi ʻuala, potato nematode, a me nā mea ʻē aʻe. Pono nā hua ʻuala e loaʻa nā ʻano hua kūpono a, me ka ʻenehana mahiʻai kūpono, hāʻawi i nā hua kiʻekiʻe. Pono ka nui o ke kanu ʻana i nā ʻuala, ʻaʻole ʻae ʻia ka liʻiliʻi a me ka nui. I nā pae āpau o ka hana hua, pono ia e hana i nā kūlana ulu e hoʻopau loa i nā haumia varietal. Hiki i ko lākou hele ʻana ke alakaʻi i ka nalowale o kahi ʻano waiwai. Eia kekahi, hiki i nā haumia o nā ʻano like ʻole ke kōkua i ka hoʻolaha ʻana o nā maʻi like ʻole. Hiki ke hoʻopau ʻia kēia mau hana āpau me ka hoʻokō ʻōnaehana o kahi ʻōnaehana noʻonoʻo maikaʻi a hoʻokumu ʻia i ka ʻepekema o ka hana hua.