Bark beetles thiab roundheaded borers tuaj yeem dhuav rau hauv cov ceg ntoo dub. Bark beetles tuaj yeem ua rau sab nrauv ntawm cov ceg ntoo kom tuag, uas yog ib qho mob hu ua "flagging." Lawv mine mus rau hauv cov ceg txog li 6 ntiv tes ntawm lub taub, ua rau cov ceg kawg tuag. … Cov ceg uas tuag yuav tsum muab tshem thiab hlawv .
Yuav ua li cas rau kuv tsob ntoo locust?
Cankers thiab cag caj dab rot yog kab mob loj ntawm honeylocusts vim lawv tuaj yeem khi cov qia thiab tua tsob ntoo. Cov tsos mob ntawm tus kab mob Canker muaj xws li sunken, qhov chaw tuag ntawm cov tawv ntoo; tuag; txo cov nplooj; nplooj daj; ntxov caij nplooj zeeg xim; thiab nplooj poob thaum ntxov .
Koj paub li cas thaum tsob ntoo tsaj tuag?
Cov tsos mob tsis yooj yim tab sis tuaj yeem suav nrog nplooj ntoos curling thiab tuag, xim liab lossis daj nplooj xim thiab cov ceg wilting. Feem ntau, qhov wilting tuaj yeem loj hlob ntawm ib sab ntawm tsob ntoo .
Kab laum dab tsi tua tsob ntoo?
Blister beetles yuav tua tsaj ntoo nyob rau hauv draves. Lawv yog cov tshauv-grey nyob rau hauv tsos, thiab lawv yuav ua rau huab cua defoliation ntau yam ntawm tsob ntoo. Kab mob feem ntau tshwm sim thaum kawg ntawm Lub Rau Hli lossis pib lub Xya Hli .
Vim li cas cov nplooj ntawm kuv tsob tsawb thiaj li tig xim av?
Teb: Lub browning ntawm zib ntab locust foliage yog zaum vim rau mimosa webworm. Kev puas tsuaj tshwm sim thaum kab ntsig khi zib ntab locust nplooj ntawv ua ke thiab pub rau ntawm nplooj ntoo hauv cov ntaub qhwv nruj, tiv thaiv webs. Cov nplooj ntoo maj mam tig xim av .
Locust Tree is Dying
