Ososayensi baseNyuvesi yaseMaine (USA) banikele iminyaka engaphezu kweshumi becwaninga izindlela zokuthuthukisa ikhwalithi yezitshalo zamazambane. Ngonyaka odlule, inhloso enkulu yohlelo lokuzalanisa lwale nyuvesi wukuthola izinhlobo zamazambane ezikwazi ukumelana nokushintsha kwesimo sezulu.
UGregory Porter, uprofesa wesayensi yemvelo kanye nokuphathwa kwezitshalo e-University of Maine (USA), ukholelwa ukuthi amazinga okushisa aphezulu awakwazi nje ukwandisa isikhathi sokukhula kwamazambane, kodwa futhi abangele izifo nezinkinga ngekhwalithi yezitshalo.
U-Porter unguchwepheshe Oholayo Wohlelo Lokuzalanisa Amazambane. Njengengxenye yalolu hlelo, usosayensi usebenzela amaphrojekthi anhlobonhlobo, kusukela ekuthuthukiseni amathuba okuthengisa abalimi kuya ekukhiqizeni amazambane angakwazi ukumelana negciwane lika-Y.
Inyuvesi yaseMaine ithole isivuno esihle kulo nyaka, sibonga kakhulu empumelelweni yohlobo lweCaribou, nayo etholwe ngohlelo lwayo lokuzalanisa. Kodwa uPorter ukholelwa ukuthi ngisho neCaribou ayimelani nokushisa njengoba kudingekile ukuze imelane nemiphumela yokushintsha kwesimo sezulu.
Enye inkinga ecatshangwayo ngekusasa izimvula ezithatha isikhathi eside. Kuyaziwa ukuthi ukugcwala kwamanzi kunzima kumazambane isikhathi eside.
I-Colorado potato beetle kanye nama-aphid asakaza izifo zamazambane azozalana ngenkuthalo ngaphansi kwezimo ezintsha, ngokusho kukaJim Dill, uchwepheshe wokuvikela izitshalo eNyuvesi yaseMaine.
Ukukhetha izitshalo, isibonelo, amaqabunga ama-pubescent amaningi avimbela ukuhamba kwezinambuzane, kuzosiza ekunciphiseni isidingo sezibulala-zinambuzane esikhathini esizayo.
Abafuyi basekhaya nabo basebenza ngenkuthalo kulokhu.