Lesi sihloko sihlola ucwaningo lwakamuva olwembula impumelelo engaba khona ekulawuleni izifo zomvini, okunikeza ithemba kubalimi, izazi zezolimo, onjiniyela bezolimo, abanikazi bamapulazi, nososayensi ababambe iqhaza emkhakheni wezolimo. Ngokuhlaziya idatha yakamuva evela emithonjeni ethembekile, sihlolisisa imininingwane yalokhu kutholakala kanye nemithelela yakho engaba khona ngekusasa lokutshalwa komvini.
Izihlahla zamagilebhisi zingenwa izifo ezahlukahlukene ezingaba nomthelela omkhulu ekuvunweni kwezitshalo kanye nekhwalithi. Nokho, ucwaningo lwakamuva olushicilelwe kujenali i-Nature Genetics luveze impumelelo engaba khona ekulawulweni kwezifo zomvini ongaguqula indlela lezi zifo ezilawulwa ngayo. Ngokocwaningo olwenziwa ithimba lososayensi esikhungweni esihamba phambili sezolimo, ukuhluka kofuzo okunoveli kukhonjwe okuhlinzeka ngokumelana ngokwemvelo nesifo somvini esivamile nesibhubhisayo esaziwa nge-Pierce's disease.
Isifo sika-Pierce, esibangelwa i-bacterium Xylella fastidiosa, sibe yinkinga enkulu kubalimi bomvini emhlabeni wonke, okuholela ekulahlekeni okukhulu komnotho. Amasu okuphatha endabuko ahilela ukusetshenziswa kwemithi yokwelapha, evame ukubiza futhi elimaza imvelo. Kodwa-ke, lolu hlobo lofuzo olusanda kutholwa lunikeza enye indlela ethokozisayo engaguqula ukulawulwa kwesifo somvini.
Abacwaningi benze ukuhlaziya okunabile kwe-genomic kwezinhlobo zomvini futhi bahlonza okuhlukile kofuzo okubonakala kunikeza ukumelana ngokwemvelo nesifo sika-Pierce. Lokhu okutholakele kuvula amathuba amasha okuthuthukiswa kwezinhlobo zomvini ezimelana nezifo ngokuzalanisa okuhlosiwe noma izindlela zobunjiniyela bezakhi zofuzo. Ngokuhlanganisa lokhu kwehluka kwezakhi zofuzo ezinhlotsheni zomvini ezitshaliwe, abalimi bangase banciphise ukuthembela kwabo ekwelashweni kwamakhemikhali futhi banciphise umthelela wesifo sikaPierce ezitshalweni zabo.
Imithelela yalokhu kuphumelela idlulela ngalé kokutshalwa komvini. I-Xylella fastidiosa ithinta inhlobonhlobo yezinye izitshalo, okuhlanganisa izihlahla ze-citrus, iminqumo, nezihlahla ze-alimondi. Ngakho-ke, ukuthuthukiswa kwezinhlobo zomvini ezimelana nezifo kungasebenza njengesisekelo sentuthuko efanayo ekulawuleni izifo emikhakheni eminingi yezolimo.
Kubalulekile ukuqaphela ukuthi ucwaningo olwengeziwe kanye nokuhlola kwenkambu okuqinile kuyadingeka ukuze kuqinisekiswe ukusebenza kahle nokuphepha kokusebenzisa lokhu kwehluka kofuzo ezinhlelweni ezingokoqobo. Kodwa-ke, amandla alethwa yilokhu kutholwa ayethembisa kakhulu futhi avula indlela yezindlela ezisimeme nezemvelo zokulawula izifo kwezolimo.
Sengiphetha, impumelelo yakamuva ekulawulweni kwesifo somvini, njengoba kuvezwe ocwaningweni, inamandla amakhulu kubalimi, izazi zezolimo, onjiniyela bezolimo, abanikazi bamapulazi, kanye nososayensi abasebenza emkhakheni wezolimo. Ngokusebenzisa amandla okumelana nezakhi zofuzo, singakwazi ukunciphisa ukuthembela ekwelashweni kwamakhemikhali futhi sithuthukise izitshalo ezikwazi ukumelana nezakhi. Lokhu kutholakala akunikezi nje kuphela ithemba ngemboni yamagilebhisi kodwa futhi kusebenza njengesitebhisi sentuthuko yesikhathi esizayo ekulawuleni izifo emikhakheni eyahlukene yezolimo.
Tags: izifo zamagilebhisi, Isifo sikaPierce, Xyella fastidiosa, ukumelana nezifo, ezolimo eziqhubekayo, ubunjiniyela bezakhi zofuzo, ukuphathwa kwezitshalo, ucwaningo lwezolimo