2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Ib qho tsis txhob txwm qhia cov nroj tsuag, dallisgrass yog qhov nyuaj los tswj, tab sis nrog me ntsis paub yuav ua li cas, nws muaj peev xwm ua tau. Mus nyeem ntawv kom paub yuav ua li cas tua dallisgrass.
Dallisgrass Weed: Ib Lub Tswv Yim Zoo Gone Bad
Cov nroj tsuag dallisgrass (Paspalum dilitatum) hails los ntawm Uruguay thiab Argentina. Nws tau nkag mus rau Tebchaws Meskas rov qab rau xyoo 1800's raws li cov nroj tsuag loj hlob sai uas tuaj yeem muaj sia nyob peb cov climes yav qab teb. Nws lub npe yog ib qho khoom plig rau A. T. Dallis, uas yog ib tug neeg txhawb nqa ntawm nws txoj kev siv thiab xa tawm ib ncig ntawm lub xyoo pua. Tu siab kawg nws ua yuam kev lawm, thiab tam sim no nws lub npe tau txuas nrog cov nroj tsuag uas tsis zoo.
Raws li nws hloov tawm, cov nroj tsuag dallisgrass thiab nws cov kwv tij txheeb ze, teb paspalum thiab nyias paspalum, nyiam lawv cov cheeb tsam tshiab me ntsis thiab tau sai sai tsis muaj kev tswj hwm. Dallisgrass naturalized tshaj feem ntau ntawm sab qab teb. Tsis zoo li nws cov kwv tij txheeb ze, txawm li cas los xij, dallisgrass yog qhov cuam tshuam rau cov kab mob ergot uas muaj tshuaj lom rau tsiaj txhu.
Ntawm Dallisgrass Weed
Dallisgrass tswj tau dhau los ua kev txhawj xeeb rau ob qho tib si thiab pej xeem cov nyom nyom. Nws yog ib qho kev ntxhib los mos perennial uas loj hlob nyob rau hauv ib qho kev loj hlob ib puag ncig, qee zaum loj hlob heev uas qhov chaw tuag tawm thaum lub nplhaib sab nrauv.txuas ntxiv smothering tag nrho cov turf nyom lawv ntsib. Nws luv luv, rhizomes cag yooj yim hauv cov av noo, ua rau nws nyuaj rau tswj.
Dallisgrass nroj tsuag loj hlob hauv cov xuab zeb lossis av nplaum av. Nws hlub nitrogen chiv thiab loj hlob ob zaug sai npaum li cov nyom nyom li niaj zaus, uas tuaj yeem tsim kev cuam tshuam rau tus golfer, muaj kev phom sij rau cov neeg ncaws pob, thiab tufts unsightly rau tus tswv tsev.
Yuav ua li cas tua Dallisgrass
Lo lus teb rau yuav ua li cas tua dallisgrass yog peb zaug: nyom noj qab haus huv, pre-emergent, thiab post-emergent tawm tsam.
Nyob zoo lawn management
Thawj txoj kev tswj hwm dallisgrass yog tswj kom muaj kev noj qab haus huv, cog turf los ntawm kev ywg dej kom raug, txiav, thiab fertilization. Cov pob liab qab yuav tsum tau ntim sai nrog cov noob los yog sod kom tiv thaiv dallisgrass cov noob los ntawm kev tuav. Ib tsob ntoo tuab, tu kom zoo, qhov chaw tsis xav tau cov noob tsis muaj chaw tawg, yog qhov tseeb dallisgrass killer.
Siv ua ntej tshwm sim
theem thib ob hauv kev tua dallisgrass cuam tshuam nrog kev tswj hwm ua ntej. Dallisgrass tsim muaj ntau ntawm cov noob rau ntev spikes uas loj hlob ob peb taw (1 m.) siab. Txhua spikes nqa 2 mus rau 10 spikelets thiab txhua spikelet muaj ob kab ntawm cov noob khiav raws nws qhov ntev. Cov noob kis tau los ntawm cua, tsiaj txhu, thiab ua raws li cov nyom mower hniav. Ib qho tshuaj tua kab mob ua ntej uas muaj tshuaj lom rau crabgrass kuj yuav ua tau zoo dallisgrass killer. Ua ntej yuav tshwm sim yuav tsum tau watered rau hauv av kom tiav.
kho mob tom qab xwm txheej
Muaj peb txoj kev kho mob tom qab muaj xwm txheej ceev rautswj dallisgrass. Kev khawb tawm cov nroj tsuag ua txhaum cai yog txoj hauv kev zoo tshaj plaws los tswj dallisgrass, tab sis nws kuj yog kev siv zog tshaj plaws. Cov tshuaj tua kab mob tshwm sim tom qab uas siv rau kev tshem tawm cov crabgrass kuj tseem ua haujlwm zoo, txawm hais tias lawv yuav tsum tau siv ob peb zaug ntawm ob mus rau peb lub lis piam ib ntus kom ua tiav cov kev kho mob thiab tiv thaiv regrowth.
Thaum kawg, kev kho mob nrog cov tshuaj tua kab tsis xaiv tuaj yeem pab tau rau cov kab mob me. Ib lo lus ceeb toom txog txoj kev tswj hwm dallisgrass no: cov tshuaj tua kab uas tsis yog xaiv tua cov nroj tsuag uas lawv tau ntsib. Turf yuav raug tua nrog cov nroj tsuag. Npaj kom sau rau hauv cov chaw liab qab sai li sai tau. Ua raws li daim ntawv qhia txog kev cog qoob loo.
Dallisgrass yog kab mob plague ntawm cov nyom nyom thoob plaws sab qab teb, tab sis nrog kev mob siab thiab kev paub me ntsis txog kev tua dallisgrass thiab yuav ua li cas tiv thaiv nws rov qab los, cov nroj tsuag pernicious no tuaj yeem tshem tawm ntawm koj cov nyom.
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