Topical sod webworms yog ib feem ntawm cov kab tsuag kab tsuag ntawm lub caij sov turf caterpillars hauv Florida uas suav nrog lub caij nplooj zeeg tub rog (Spodoptera frugiperda), kab txaij nyom loopers (Mocis spp.), thiab tus fiery skipper (Hylephila phyleus). Daim duab 1. St. Augustinegrass thaj chaw cov nyom puas los ntawm cov kab mob tropical sod webworm (foreground).
Kuv yuav txheeb xyuas cov kab mob webworms li cas?
Sod webworms pub rau feem ntau cov nyom xws li bluegrass, bentgrass, siab thiab zoo-nplooj fescues, zoysiagrass thiab buffalograss. Ib qho ntawm thawj cov tsos mob ntawm tus kab mob webworm yog me me, ragged xim av me ntsis hauv turf. Thaum soj ntsuam ze dua, cov cheeb tsam no yuav muaj qhov pom los yog scalped.
Yuav ua li cas koj kho sod webworms hauv St Augustine nyom?
Thov yam tsawg 15 mus rau 25 nkas loos tshuaj tua kab-dej tov rau 1,000 square feet ntawm nyom. Watering cov nyom ua ntej daim ntawv thov yuav pab nkag mus rau hauv turf. Yog hais tias qhov kev puas tsuaj yog los ntawm cov kab mob tropical sod webworm, cov tshuaj tsuag kua siv rau cov nplooj.
Koj yuav ua li cas tswj cov kab mob tropical sod webworms?
Muab sib tov ntawm 1 tablespoon tais xab npum thiab 1 nkas loos dej rau thaj tsam kab mob ntawm tus nqi kwv yees li ib nkas loos ib square yard. Koj yuav pom larvae tuaj rau saum npoo hauv ob peb feeb. Cov xab npum yuav tsum tua cov kab tsuag, tab sis yog tsis yog, rhuav tshem lawv nrog ib tug rake.
Dab tsi yog tshuaj tua kab zoo tshaj plaws rau cov kab mob webworms?
Natural, av tsevCov kab mob Bacillus thuringiensis los yog Bt-kurstaki yog qhov tshwj xeeb tshaj yog rau cov kab mob web. Siv cov tshuaj tsuag yooj yim-rau-siv (1 Tbsp / nkas loos) txhawm rau tua kab tsuag thiab tiv thaiv koj cov nyom ntawm thawj qhov kev puas tsuaj.
