Ukuhlaselwa kwe-Phytophthora kungaba nomthelela omubi ezitshalweni zikatamatisi, okuholela ekulahlekelweni okukhulu kwesivuno kanye nokunciphisa inzuzo kubalimi. Kulesi sihloko, sizoxoxa ngokuthi iyini i-phytophthora, indlela yokuyibona, nezindlela ezingcono kakhulu zokuvimbela nokulawula ukutheleleka.
I-Phytophthora iyi-pathogen yezitshalo ebangela izifo ezihlukahlukene ezitshalweni, kuhlanganise notamatisi. Ngokombiko we-American Phytopathological Society, ukuhlasela kwe-phytophthora kuyimbangela yokulahlekelwa kwesivuno esikhulu ezitshalweni zikatamatisi emhlabeni wonke. E-United States iyodwa, ukulahlekelwa okuvela ekuthelelekeni kwe-phytophthora ezitshalweni zikatamatisi kulinganiselwa ukuthi kufinyelela ku-$400 million ngonyaka.
Ukuze ubone izifo ze-phytophthora ezitshalweni zakho zikatamatisi, bheka ukubuna, amaqabunga aphuzi, nezilonda esiqwini noma esithelweni. Izitshalo ezithelelekile zingase zibe nephunga elimanzi, elinomunyu. Uma usola ukuthi izitshalo zakho zikatamatisi zinegciwane le-phytophthora, kubalulekile ukuthatha isinyathelo ngokushesha ukuvimbela ukusabalala kwalesi sifo.
Ukuvimbela ukutheleleka kwe-phytophthora ezitshalweni zakho zikatamatisi kuqala ngezinqubo ezinhle zokukhucululwa kwendle. Qiniseka ukuthi ususa noma iyiphi imfucumfucu yezitshalo engadini yakho, njengoba lokhu kungase kube ne-pathogen. Kubalulekile futhi ukushintshanisa izitshalo zakho zikatamatisi nezinye izitshalo, njengoba lokhu kungasiza ekuvimbeleni ukunqwabelana kwe-pathogen emhlabathini.
Enye indlela ephumelelayo yokuvimbela ukutheleleka kwe-phytophthora ukusetshenziswa kwezinhlobo zamatamatisi ezimelana. Ngokocwaningo olwenziwa yiNyuvesi yaseCalifornia, eDavis, izinhlobo eziningana zamatamatisi zibonise ukumelana ne-phytophthora, kuhlanganise nezinhlobo ze-Heinz 1706, NC 84173, kanye ne-H7996.
Uma izitshalo zakho zikatamatisi sezivele zinegciwane le-phytophthora, kunamasu amaningana okuphatha angasiza ukulawula lesi sifo. Lokhu kuhlanganisa ukusebenzisa ama-fungicides, ukususa izitshalo nenhlabathi ethelelekile, nokwandisa ukugeleza komhlabathi ukunciphisa amazinga omswakama.
Sengiphetha, ukuhlasela kwe-phytophthora kungaba nomthelela omkhulu ezitshalweni zikatamatisi, okuholela ekunciphiseni kwesivuno kanye nenzuzo kubalimi. Kodwa-ke, ngezinqubo ezinhle zokukhucululwa kwendle, ukusetshenziswa kwezinhlobo zamatamatisi ezimelana nawo, namasu okuphatha asebenzayo, kungenzeka ukuvimbela nokulawula ukuhlasela kwe-phytophthora ezitshalweni zakho zikatamatisi.