ScienceDaily (Mee 8, 2012) - Onye na-ahụ maka ihe ọkụkụ na Mahadum California, Riverside achọpụtala ero a na-ejikọta ya na alaka ụlọ ọrụ na-anwụ anwụ na nkwụsị n'ozuzu nke ọtụtụ ube oyibo na osisi ndị dị n'akụkụ ebe obibi nke Los Angeles County.
ero bụ ụdị Fusarium ọhụrụ. Ndị ọkà mmụta sayensị na-arụ ọrụ n'ịkọpụta njirimara ya kpọmkwem. A na-ebunye ya site na Tea Shot Hole Borer (Euwallacea fornicatus), ebe ambrosia mara mma nke pere mpe karịa mkpụrụ sesame. A na-akpọ ọrịa a na-agbasa dị ka "Fusarium dieback."
Akif Eskalen, onye na-ahụ maka ihe ọkụkụ na-ahụ maka ihe ọkụkụ UC Riverside kwuru, "Ahụla ebe a na Israel na kemgbe 2009, ngwakọta ebe-fungus emebiwo nnukwu osisi avocado n'ebe ahụ."
Ruo ugbu a, a kọwala Tea Shot Hole Borer na ụdị osisi 18 dị iche iche n'ụwa nile, gụnyere ube oyibo, tii, citrus, guava, lychee, mango, persimmon, pọmigranet, macadamia na silk oak.
Eskalen kọwara na ebe na ero nwere mmekọrịta symbiotic.
Ọ sịrị, "Mgbe ebe ahụ batara n'ime osisi ahụ, ọ na-eji ero ọ na-ebu n'akụkụ ọnụ ya gbanye osisi ndị na-elekọta ya." “Eri ero ahụ na-awakpo akwara vaskụla nke osisi ahụ, na-akpaghasị mmiri na ihe na-edozi ahụ, ma mechaa mee ka alaka ụlọ ọrụ kwụsịlata. Larvae ebe na-ebi na veranda dị n'ime osisi ma na-eri ero ahụ.
Ọ bụ ezie na a chọtara ebe ahụ na Los Angeles County na 2003, a naghị elebara akụkọ banyere mmetụta ọjọọ ya na ahụike osisi anya ruo February 2012, mgbe Eskalen chọtara ma ebe na ero n'azụ osisi ube oyibo na-egosi ihe mgbaàmà ọnwụ na South Gate, Los. Obodo Angeles. Kọmishọna Agricultural na Los Angeles County na ndị na-ahụ maka nri na ọgwụ na California ekwenyela na ebe a bụ.
Eskalen kwuru, "Nke a bụ otu ero ahụ butere ube oyibo n'ala Izrel." Kọmịshọna Avocado California nwere nchegbu banyere mmebi akụ na ụba nke ero a nwere ike ime ụlọ ọrụ ebe a na California.
"Ka ọ dị ugbu a, anyị na-arịọ ndị ọrụ ubi ka ha lekwasị anya na osisi ha ma kọọrọ anyị ihe ịrịba ama ọ bụla nke ero ma ọ bụ ebe," ka ọ gbakwụnyere. “Ihe mgbaàmà ndị dị na ube oyibo na-agụnye mpụta nke exudate ọcha na-ejikọta ya na otu oghere ọpụpụ ebe dị n'ụgbụgbọ nke ogwe na isi alaka nke osisi ahụ. Nke a exudate nwere ike akọrọ ma ọ bụ ọ nwere ike ịpụta dị ka ihe mgbawa mmiri."
E hiwela otu ndị sayensị UCR ka ha mụọ Fusarium dieback na Southern California. Eskalen na Alex Gonzalez, onye ọkachamara n'ọhịa, na-eme nyocha ugbu a iji chọpụta ókè ebe a na-efe efe na ọ nwere ike ibute ọrịa ero na osisi ube oyibo na osisi ndị ọzọ na-anabata ya. Richard Stouthamer, prọfesọ nke entomology, na Paul Rugman-Jones, ọkachamara na-akpakọrịta na entomology, na-amụ banyere ihe ndị dị ndụ na mkpụrụ ndụ ihe nketa nke ebe.
Ndị otu ọha nwere ike ịkọ akụkọ ihe ngosi nke Tea Shot Hole Borer na akara Fusarium dieback site na ịkpọ (951) 827-3499 ma ọ bụ ziga aeskalen@ucr.edu.