Tizilombo toyambitsa matenda tikuwopseza mitengo ya oak; nkhuni zazambiri zomwe zimatumizidwa kumadera ena ndizofunikira kwambiri
Lachinayi, Meyi 24, 2012
Nkhani zaku Fallbrook Bonsall Village
Andrea Verdin
Wolemba Ntchito
Mitengo yamitengo yodziwika bwino ya Fallbrook ikhoza kukhala pachiwopsezo chachikulu cha kugwidwa ndi kuwonongedwa.
Malinga ndi a Jess Stoffel, woyang'anira zomera ku County of San Diego, a borer wa oak wagolide (GSOB), kapena agrilus coxalis, adadziwika koyamba m'boma mu 2004 panthawi ya kafukufuku wokhudza tizirombo tamitengo.
"Mu 2008 borer uyu adalumikizidwa ndi kuchuluka kwa anthu akufa ku San Diego County kuyambira 2002," adatero mu imelo kwa atsogoleri ammudzi. "Kupezeka kwake ku California kumatha kuyambira 1996, kutengera kuwunika kwa mitengo ya thundu yomwe idaphedwa kale."
GSOB, yomwe imachokera ku Arizona ndi Mexico, iyenera kuti inabweretsedwa kum'mwera kwa California pogwiritsa ntchito nkhuni za oak. Roger Boddaert, yemwe amadziwika kuti "mtengo munthu" wa Fallbrook, adanena kuti "amadziwa kwambiri" za tizilombo toyambitsa matenda komanso tizilombo tina.
"Kawirikawiri, pali mitundu inayi ikuluikulu yomwe borer akuukira, kuphatikiza kwathu ku California Live Oak," adatero Boddaert. "Posachedwapa ndidachita nawo msonkhano ku Pechanga Government Center wokhudza borer ndi zovuta zina za oak. Panali anthu ambiri ochokera ku US Forest Dept., UC Davis ndi Riverside, ndi onse omwe adachita nawo chidwi chachikuluchi. "
Ndi tizilombo toopsa m'mphepete mwa nyanja, Quercus agrifolia; canyon live oak, Q. chrysolepis; ndi California black oak, Q. kelloggii ku California ndipo yapha mitengo yoposa 20,000 kudutsa maekala 620,000.
Boddaert adanena kuti GSOB yadziwika ku Julian, kumwera kwa San Diego County, ndipo makamaka m'mapiri.