Tswj Velvetgrass Weeds - Common Velvetgrass Identification And Control

2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55

Nws lub npe yuav zoo nkauj thiab nws cov paj spikes txaus nyiam, tab sis ceev faj! Velvetgrass yog ib hom nroj tsuag ntawm cov teb chaws Europe tab sis tau colonized ntau ntawm sab hnub poob Tebchaws Meskas. Raws li ib hom kab mob, tshem tawm ntawm velvetgrass yuav pab txhawb cov nyom ib txwm thiab tiv thaiv kom tsis txhob kis tau. Velvetgrass yog ib hom nroj tsuag hauv cov nyom, kwj dej, cov av cuam tshuam, thiab txawm tias qoob loo. Mus nyeem ntawv rau qee cov lus qhia txog kev tswj hwm velvetgrass.

Velvetgrass Weeds yog dab tsi?

Velvetgrass yog qhov zoo ntawm kev ruaj ntseg hauv av, tab sis vim nws tsis yog nyob rau North America, lwm cov nyom hauv paus txawm yuav tsum tsim. Qhov ntawd txhais tau tias tshem tawm cov nroj tsuag velvetgrass txhua qhov chaw uas lawv pom. Yog tias nws tso cai txuas ntxiv mus, nws yuav kis tau sai, inhibiting kev loj hlob ntawm tsob ntoo thiab cov nroj tsuag ib txwm muaj.

Cov velvetgrass (Holcus lanatus) yog cov nyom tufted perennial. Cov nplooj yog greyish ntsuab thiab stems yog me ntsis flattened. Ob lub stems thiab nplooj yog me ntsis plaub hau. Nws paj los ntawm caij nplooj ntoos hlav mus txog rau lub caij nplooj zeeg nrog purplish liab spikes. Cov noob yog cua yug thiab tuaj yeem kis tau deb ntawm niam txiv cov nroj tsuag, thiab yuav tawg hauv yuav luag txhua cov av thiab raug.

Cov nroj tsuag feem ntau tshwm sim hauvCanada thiab cov xeev sab hnub poob, qhov uas nws tau qhia nyob rau xyoo 1800's raws li cov nyom nyom. Cov nyom tseem hu ua Yorkshire pos huab, creeping nyom mos, thiab woolly mos nyom, ntawm lwm cov monikers.

Velvetgrass Control

Nws tsis yog qhov txawv uas pom thaj tsam ntawm velvetgrass hauv cov nyom. Thaum nws tau txais foothold, cov nroj tsuag tuaj yeem ua npau suav phem kom kov yeej. Feem ntau velvetgrass tsis kis los ntawm stolons lossis rhizomes, tab sis cov noob qoob loo, sib sib zog nqus tau yooj yim tawg, sai sai colonizing thaj chaw ntawm turfgrass. Nrog me ntsis irrigation, cov noob tuaj yeem germinate nyob rau hauv yuav luag txhua yam mob.

Qhov kev tiv thaiv zoo tshaj plaws yog cov nyom tuab, noj qab nyob zoo uas yuav tsis tso cov nroj tsuag thiab cov nroj tsuag sib cuam tshuam. Mow ntawm qhov siab zoo rau koj cov turfgrass thiab siv ob qho tib si nitrogen ntawm lub sijhawm thiab kev sim av uas tuaj yeem txiav txim siab pH thiab fertility.

Kev tshem tawm ntawm velvetgrass los ntawm tes rub tau zoo. Ntawm chav kawm, qhov no tsuas yog ua haujlwm qhov twg cov nroj tsuag muaj nyob rau hauv me me concentrations. Nquag mowing los yog grazing kuj tseem siv tau los tiv thaiv kev sib kis, tshem tawm cov paj taub hau thiab cov noob tom ntej.

Raws li qhov chaw kawg, koj tuaj yeem sim cov ntawv thov ntawm glyphosate lossis atrazine thiab diuron. Txij li cov no tsis yog xaiv, siv kev saib xyuas thaum thov. Xyuas kom lub hnub tsis muaj cua thiab siv rau ntawm tus nqi pom zoo los ntawm cov chaw tsim khoom. Siv cov khaub ncaws tiv thaiv thiab ua raws li pob ntawv ceeb toom.

Note: Kev tswj tshuaj yuav tsum tsuas yog siv los ua qhov kawg nkaus xwb, vim tias cov txheej txheem organic muaj kev nyab xeeb dua thiab zoo ib puag ncig.