Control of Russian Thistle: Yuav Ua Li Cas Kom Ruaj Ntseg Russian Thistle

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

Yog tias koj saib tumbling tumbleweed ua lub cim ntawm Asmeskas Sab Hnub Poob, koj tsis nyob ib leeg. Nws tau pom zoo li ntawd hauv cov yeeb yaj kiab. Tab sis, qhov tseeb, tumbleweed lub npe tiag tiag yog Russian thistle (Salsola tragus syn. Kali tragus) thiab nws yog heev, heev invasive. Yog xav paub ntxiv txog Lavxias teb sab nroj tsuag, nrog rau cov lus qhia yuav ua li cas kom tshem tau ntawm Lavxias teb sab thistle, nyeem rau.

About Russian Thistle Weeds

Russian thistle yog tsob ntoo txhua xyoo uas cov neeg Asmeskas paub tias tumbleweed. Nws nce mus txog peb feet (1 m.) siab. Mature Russian thistle weeds tawg tawm ntawm theem hauv av thiab ntuav thoob plaws thaj av qhib, yog li lub npe nrov cuam tshuam nrog cov nroj tsuag. Txij li thaum ib tug Lavxias teb sab thistle tuaj yeem tsim tau 250, 000 cov noob, koj tuaj yeem xav tias qhov kev txiav txim siab rub tawm cov noob kom deb thiab dav.

Ntuj noov raug coj los rau lub tebchaws no (South Dakota) los ntawm cov neeg tsiv teb tsaws chaw Lavxias. Nws tau xav tias tau muab sib xyaw rau hauv cov kab mob uas tsis muaj flaxseed. Nws yog ib qho teeb meem tiag tiag nyob rau hauv Teb Chaws Asmeskas Sab Hnub Poob vim nws khaws cov tshuaj lom ntawm nitrates uas tua nyuj thiab yaj siv nws rau zaub mov.

Txoj Kev Tumbleweeds

Kev tswj tumbleweed yog qhov nyuaj. Cov noob tumble ntawm thistle thiab germinatetxawm nyob rau qhov chaw qhuav heev. Lavxias teb sab nroj tsuag loj hlob sai heev, ua rau kev tswj ntawm Lavxias teb sab thistle daunting.

Hlawv, thaum qhov kev daws teeb meem zoo rau ntau lwm cov nroj tsuag ntxeem tau, tsis ua haujlwm zoo rau kev tswj hwm ntawm Lavxias teb sab thistle. Cov nroj tsuag no vam meej ntawm kev cuam tshuam, hlawv tawm qhov chaw, thiab cov noob kis mus rau lawv sai li sai tau thaum cov nroj tsuag loj hlob tuaj rau hauv cov cua, uas txhais tau tias lwm yam kev tswj hwm ntawm Lavxias teb sab thistle yog tsim nyog.

Kev tswj hwm ntawm Lavxias teb sab thistle tuaj yeem ua tiav manually, los ntawm tshuaj lossis los ntawm kev cog qoob loo. Yog tias cov nroj tsuag thistle tseem hluas, koj tuaj yeem ua txoj haujlwm zoo ntawm kev tswj cov tumbleweeds los ntawm tsuas yog rub cov nroj tsuag los ntawm lawv cov hauv paus hniav ua ntej lawv cov noob. Mowing tuaj yeem yog ib qho txiaj ntsig zoo ntawm Lavxias teb sab thistle tswj yog ua tiav raws li cov nroj tsuag tawg.

Qee cov tshuaj tua kab muaj txiaj ntsig tiv thaiv Lavxias teb sab thistle. Cov no suav nrog 2, 4-D, dicamba, lossis glyphosate. Thaum thawj ob yog cov tshuaj tua kab xaiv uas feem ntau tsis raug mob nyom, glyphosate raug mob lossis tua cov nroj tsuag feem ntau nws los rau hauv kev sib cuag nrog, yog li nws tsis yog ib qho kev nyab xeeb ntawm kev tswj hwm ntawm Lavxias teb sab thistle.

Txoj kev tswj hwm zoo tshaj plaws ntawm Lavxias teb sab thistle tsis cuam tshuam txog tshuaj. Nws yog replanting infested thaj chaw nrog rau lwm yam nroj tsuag. Yog tias koj khaws cov teb uas muaj cov qoob loo noj qab haus huv, koj tiv thaiv kev tsim ntawm Lavxias teb sab thistle.

Note: Cov lus pom zoo hais txog kev siv tshuaj yog rau cov ntaub ntawv xov xwm nkaus xwb. Cov npe tshwj xeeb lossis cov khoom lag luam lossis cov kev pabcuam tsis hais txog kev pom zoo. Kev tswj tshuaj yuav tsum tsuas yog siv los ua qhov chaw kawg nkaus xwb, vim tias cov txheej txheem organic muaj kev nyab xeeb thiab ntau duaenvironmentally friendly.