2024 Tus sau: Chloe Blomfield | [email protected]. Kawg hloov kho: 2023-12-15 23:55
Kuv ib txwm khaws cia muaj khawv koob nyob rau hauv toj roob hauv pes thiab witchgrass (Panicum capillare) ua pov thawj tias kuv hais yog lawm. Dab tsi yog witchgrass? Cov nyom tufted yog cov nroj tsuag txhua xyoo uas muaj cov plaub hau stems thiab loj noob taub hau. Nws yog cov noob taub hau uas muab witchgrass weeds lawv lub npe. Thaum siav, cov noob tau tawg sai sai thiab tawg mus rau qhov ntev ntawm cua. Qhov no ua rau kev tswj cov witchgrass ib yam dab tsi ntawm kev sib tw, tab sis muaj cov txheej txheem ntawm kev tswj cov nyom nyom uas muaj txiaj ntsig zoo thaum siv tas li.
Dab tsi yog dab tsi?
Witchgrass yog suav tias yog cov nroj tsuag hauv feem ntau ntawm Tebchaws Meskas sab hnub tuaj. Nws yuav siv sij hawm nyob rau hauv cov cheeb tsam cuam tshuam, qhuav ditches, teb thiab yuav luag txhua yam nyob rau hauv zus tau tej cov av. Cov nyom tuaj yeem ncav cuag 30 ntiv siab nrog cov cwj pwm bunching. Cov nroj tsuag muaj ib tug ntiav fibrous hauv paus system uas anchors nws nyob rau hauv qhuav los yog ntub av. Cov stems yog plaub hau thiab erect nrog panicle loj ua rau lub caij ntuj sov.
Witchgrass weeds reproduce by noob and it is the fuzzy panicle that soars above the so of plant and is the subject of npe. Lub panicle muaj qhov taw tes zoo ib yam li tus dab ntxwg nyoog. Witchgrass tseem hu ua panic nyom, plaub hau nyom, tickle nyom thiab tumble nyom. Qhov kawg yog vim qhuav brittleness ntawm panicle, uas tawg tawmyooj yim thiab tumbles deb ntawm cua.
Vim li cas Kev Tswj Witchgrass tseem ceeb
No cov nroj tsuag txhua xyoo muaj nyob rau hauv cov qoob loo tab sis nws tsis raug tswj los ntawm atrizine, uas yog cov tshuaj tua kab mob ntau yam. Thaum siv cov tshuaj no, tag nrho lwm cov nroj tsuag succumb tab sis witchweed siv lawv qhov chaw thiab sai sai kis mus ua ib qho teeb meem.
Nws yog qee zaum qhia txog cov noob qoob loo hauv cov noob. Txoj kev mob siab rau txoj kev loj hlob thiab muaj peev xwm ntawm cov nroj tsuag kom nthuav tawm nws cov noob thiab hloov mus rau ntau yam xwm txheej ua rau nws muaj kev sib tw loj rau cov qoob loo nyiaj ntsuab.
Kev tswj cov nyom pib nrog kev hloov kho kab lis kev cai thiab ua tiav nrog cov tshuaj tua kab mob kom tiav kev tswj hwm.
Yuav Ua Li Cas Kom Tau Txais Witchgrass
Witchgrass weed control nyob rau hauv me me tej zaum yuav tshwm sim los ntawm rub cov nroj tsuag tab sis nyob rau hauv qhib teb thiab tsawg tswj qhov chaw, huv si cultivation txoj kev thiab tshuaj tswj tau raug pom zoo. Siv lub hob lossis rub cov nroj me me uas koj muaj peev xwm.
Nco ntsoov tias cov nplooj lwg tau sov thiab nco ntsoov tig lawv kom tiv thaiv cov noob ntoo los ntawm kev tawg. Ntxuav txhua lub vaj tilling cov cuab yeej tiv thaiv kom tsis txhob kis cov noob thiab, thaum muaj xwm txheej phem, yaug cov khau thiab xyuas cov ceg khau ua ntej taug kev mus rau hauv teb.
Witchgrass nroj tsuag tuaj yeem tswj tau nrog feem ntau cov nroj tsuag txhua xyoo. Tshaj tawm tshuaj tsuag qhov sib tov mus rau thaj chaw muaj kev txom nyem. Tsuas yog tsuag thaum kub yog 55 degrees Fahrenheit (12 C.) lossis siab dua thiab thaum cua txias.
Koj tuaj yeem sim txiav thaj chaw ua ntej cov noob taub hau. Witchgrass yuav tuag rov qab thaum qhov txias txias tuaj txog. Yog kojtuaj yeem khaws cov noob ntoo uas cuam tshuam los ntawm kev tsim tawm, koj tuaj yeem tiv thaiv cov nyom rau xyoo tom ntej.
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