Killing Foxtail Weeds: Cov Lus Qhia Thiab Cov Lus Qhia Rau Foxtail Nyom Tswj

Cov txheej txheem:

Killing Foxtail Weeds: Cov Lus Qhia Thiab Cov Lus Qhia Rau Foxtail Nyom Tswj
Killing Foxtail Weeds: Cov Lus Qhia Thiab Cov Lus Qhia Rau Foxtail Nyom Tswj

Video: Killing Foxtail Weeds: Cov Lus Qhia Thiab Cov Lus Qhia Rau Foxtail Nyom Tswj

Video: Killing Foxtail Weeds: Cov Lus Qhia Thiab Cov Lus Qhia Rau Foxtail Nyom Tswj
Video: Cucumber Beetles: Bandits of the West! Ecology and a new aggregation pheromone of cucumber beetles 2024, Kaum ib hlis
Anonim

Ntau hom invaders hem lub emerald ntsuab nthuav dav ntawm cov nyom uas yog kev txaus siab ntawm ntau tus neeg ua teb. Ib tug ntawm lawv yog cov foxtail, uas muaj ntau ntau yam. Foxtail nroj tsuag yog dab tsi? Cov nroj tsuag feem ntau yog ib xyoos, tab sis qee zaus perennial. Nws cuam tshuam cov av cuam tshuam thoob plaws North America thiab tsim cov "foxtails" tuab ntawm cov noob uas nthuav dav. Kev loj hlob sai ntawm cov nroj tsuag txhais tau tias tswj foxtail weeds yog qhov tseem ceeb rau kev noj qab haus huv thiab zoo li cov nyom nyom.

Foxtail Weed yog dab tsi?

Foxtail nroj tsuag (Setaria) muaj nplooj nplooj dav, zoo li cov nyom nyom uas nws loj tuaj. Lub hauv paus ntawm nplooj muaj cov plaub hau zoo thiab qia nce los ntawm dab tshos ntawm lub hauv paus ntawm nplooj. Stems dais 3 mus rau 10 nti (8-20 cm.) ntev spikes ntawm paj, uas tawm los rau cov noob thaum kawg ntawm lub caij.

Cov nroj tsuag feem ntau nyuaj rau pom thaum sib xyaw nrog cov nyom, vim nws pib tawm qis mus rau hauv av nrog nplooj sib npaug rau cov av. Peb hom tseem ceeb muaj nyob hauv North America. Cov no yog:

  • Yellow foxtail (Setaria pumila), yam tsawg tshaj plaws
  • Green foxtail (Setaria viridis)
  • Giant foxtail (Setaria faberi), ncav cuag 10 ntiv tes (20 cm.) hauvqhov siab

Lawv pom nyob rau hauv kwj dej, qoob loo, thaj chaw ua haujlwm cuam tshuam, kev taug kev, thiab txhua qhov chaw hauv av muaj kev cuam tshuam.

Yuav Ua Li Cas Tshem Tawm Foxtail Grass hauv Lawns

Txoj kev hlub nyom yuav tsum paub yuav ua li cas tshem tawm foxtail nyom hauv cov nyom. Yellow foxtail yog qhov nrov tshaj plaws hauv turf nyom. Nws hlob nyob rau thaj tsam ntawm cov av ntub lossis qhuav thiab ua siab ntev rau ntau yam kev mob.

Ib lub nyom noj qab haus huv yog thawj riam phom tiv thaiv cov nroj. tuab, lush nyom yoojyim tsis muaj thaj chaw uas tsis muaj neeg nyob uas cov noob txiv ntoo tuaj yeem nyob thiab loj hlob. Kev txiav thiab fertilizing kom zoo ua rau cov nyom noj qab haus huv uas tsis tshua muaj peev xwm tau txais cov nroj tsuag. Kev tswj cov nroj tsuag foxtail tsis tshua tsim nyog nyob rau hauv cov nyom zoo khaws cia, qhov chaw muaj zog turf nyom tiv thaiv colonization ntawm cov tsiaj sab nraud.

Pre-Emergent Foxtail Grass Control

Pib ua ntej koj txawm pom cov nroj tsuag nrog tshuaj tua kab mob ua ntej muaj kev nyab xeeb rau cov nyom nyom. Ob peb cov khoom nyob rau hauv kev ua lag luam uas yuav ua hauj lwm zoo tiv thaiv foxtail tshwm sim. Nco ntsoov xyuas nrog koj qhov kev pabcuam txuas ntxiv hauv zos yog tias koj tsis ntseeg txog qhov ua tau zoo lossis kev nyab xeeb ntawm cov tshuaj tua kabmob.

Killing Foxtail Weeds

Thaum cov nroj tsuag tau tshwm sim, nws nyuaj me ntsis kom tshem tawm lawv. Muaj qee cov lus ceeb toom ntawm kev ua tiav nrog 5% kev daws ntawm acetic acid, feem ntau hu ua vinegar. Ua daim ntawv thov ncaj qha mus rau cov nroj tsuag thaum nws nyob rau theem yub. Tsis tshua muaj txiaj ntsig rau cov nroj tsuag laus.

Cov tshuaj tua kab mob tom qab tshwm sim yog koj thawj koom ruam zoo tshaj plaws rau tua cov nroj tsuag foxtail. Xaiv ib qho uas muaj kev nyab xeeb rau kev siv hauv turf nyom thiab hais tias nws siv tawm tsam foxtail. Cov tshuaj tua kab dav dav tuaj yeem ua rau muaj kev phom sij ntau dua li pab tau thiab nyiam tua cov tsiaj uas koj tsis xav kom tshem tawm.

Yog tias koj tawm tsam kev siv tshuaj tua kab mob, tshem tawm cov noob taub hau kom tiv thaiv cov nroj tsuag los ntawm qhov chaw rov ua dua. khawb tob kom tau cov hauv paus hniav ntev, siv cov cuab yeej siv cov nroj tsuag ntev.

Txoj kev zoo tshaj plaws rau kev tua cov nroj tsuag foxtail, txawm li cas los xij, yog kev kho tshuaj tua kab ua ntej thaum lub caij nplooj ntoo hlav. Thaum ntxov foxtail nyom tswj yuav pab tiv thaiv kom txhob noj cov nroj tsuag hauv koj lub vaj.

Pom zoo: