Raws li cov lus teb ntawm cov nyom hom rau huab cua kev nyab xeeb, tshwj xeeb tshaj yog kub, cov hom nyom nyom tau muab faib ua cov hom nyom nyom thiab huab cua nyom. Qhov zoo tshaj kub ntau ntau rau kev loj hlob ntawm txias-caij cov hauv paus hniav roj av (av kub ntau yam rau kev loj hlob ntawm cov qia thiab cov nplooj ntoos loj dua) yog 16-24 degrees Celsius; Rau sov-lub caij nyom, ntau yam kub ntau rau lub hauv paus system yog 25-29 degrees Celsius, thiab huab cua kub muaj ntau yog 27-35 degrees Celsius.
Txias-lub caij Nyom: Feem ntau ntawm lub sijhawm kev loj hlob ntawm lub caij ntuj txias ntawm lub xyoo, uas yog, nyob rau sab qab teb nyob rau lub caij nplooj zeeg, lub caij ntuj no thiab caij nplooj ntoo hlav; nyob rau sab qaum teb nyob rau lub caij nplooj ntoo hlav thiab caij nplooj zeeg. Txias-caij hav nyom suav nrog: khoov, Bluabrass, Rye thiab Femue
Sov-caij nyom: Lub sijhawm kev loj hlob ntawm lub caij sov tau muaj nyob hauv lub hlis kub, lub caij ntuj sov thiab lub caij nplooj zeeg lig nyob rau sab qab teb thiab hloov chaw. Sov-caij thaj hav nyom suav nrog Bermuda nyom, zoysia thiab seashore paspalum. Lub caij sov-caij nyom nyob rau hauv chav golf feem ntau yog sib tshuam nrog lub caij txias nyom kom nws cov xim thaum caij ntuj no. Rye thiab qee cov ntau ntawm cov nyom thaum ntxov yog cov kev xaiv.
Cov noob nyom thaum ntxov: cov nyom pib hauvKev Kawm Golftau tag nrho cov nyom cov nyom ntawm lub xaib, thiab cov nyom nyuam qhuav cog rau hauv cov kev kawm golf kuj tseem yog cov thoob plaws pasture nyom. Ua ntej xyoo 1930, cov kev kawm ntaus golf ua nyob rau Northern Tebchaws Meskas siv cov nyom bent nyom li cov golf nyom. Cov sib xyaw bent muaj 80% Bent, 10% Velvet khoov thiab me ntsis creeping khoov duav. Hauv New England, Velvet Bent tau siv rau zaub. Cov noob nyom no yog cov niam cov txiv ntoo rau yav tom ntej kev ntaus golf chav kev cog qoob loo.
Xyoo 1916, ntau tus kws tshawb fawb los ntawm Tsoomfwv Meskas Lub Chaw Haujlwm Saib Xyuas Kev Ua Liaj Ua Teb (USDA tsim ib lub koom haum hu ua Artton Langor vaj, uas tau mob siab rau cov nyom cov noob rau zaub. Xyoo 1921, lawv pib ua lag luam kev koom tes nrog USDA los tsim cov koom haum Tebchaws Meskas (USGA) kom nthuav dav kev tshawb fawb ntawm cov noob nyom. Lawv tau saib rau cov nyom nrog kev ua tau zoo ntawm txhua qhov chaw, xws li cov xim npliag ntawv, thiab cov kab mob tsis txaus, thiab cog rau lawv hauv lub nroog Arlington nyom vaj. Lub USGA siv tsab ntawv C rau xov tooj lawv rau kev cog qoob loo. Xyoo 1927, Asmeskas Lub Tsev Haujlwm Saib Xyuas Kev Tshaj Tawm uas lawv tau tsim cov nyom ntsuab zoo tshaj plaws - creeping bent nyom. Siv cov zaub mov ua tub tu yeej thev naus laus zis thev naus laus zis, muaj ntau cov zaub uas muaj cov khaub ncaws ntsuab, tab sis vim tias nws yog tus kab mob sib cog, nws cov kab mob tsis tuaj yeem txhim kho.
Seeding Bent Nyom: Cov kws tshawb fawb pib kawm hauv Pennsylvania xyoo 1940 kom sim nrhiav cov khaub ncaws tsis zoo thiab cov noob uas tsis sib xws. Tom qab 9 xyoo ntawm kev ua haujlwm nyuaj, lawv cog qoob loo nyom nyom tau hu ua penncross, uas tau tsim tawm xyoo 1954 thiab tau pib hloov cov nyom yav dhau los. Ua ntej xyoo 1990, Penncross yog cov nyom tshaj ntsuab. Txawm hais tias ntau yam tshiab tau raug tsim tawm, Penncross yog tseem dav siv hnub no.
Pennsylvania nyom kev tshawb nrhiav yog tseem niaj hnub. Raws li kev taw qhia Dr. Joe Duwick, Pennoavle Bent tau tsim tawm hauv xyoo 1986, kev tshawb fawb txog yuav ua li cas cog ntau yam nrog rau kev ua kom sov kub ua kom nthuav nws txoj kev yoog raws. Los ntawm kev tshawb fawb hauv Texas los ntawm USGA, tshiab bent ntau yam cato thiab crenshaw tau tsim tawm. Nyob rau tib lub sijhawm, Pennsylvania Joe Duwick kev tshawb fawb tau tsom mus rau kev txhim kho Bent kev ua siab ntev rau kev txiav nyom. Nws cov dag zog coj mus rau lub launch ntawm bent a thiab g series. Cov tuam txhab nyom nyom kuj tau pib ntau yam xws li: SR1020, L-93, Privny Grassglass tau dhau los ntawm 40 txog 50 xyoo, tsom mus rau Kev cog qoob loo ntawm embryos los pab txhawb kev xaiv ntawm cov noob duab sib txawv cov noob noob, suav nrog:
Sov-caij thaj hav nyom: Bermuda nyom yog haum rau cov chaw kub, muaj cov cheeb tsam yav qab teb thiab yav qab teb ntawm lub ntiaj teb; Hauv thaj chaw thaj chaw thaj chaw ntawm Tebchaws Meskas, zoysia feem ntau yog siv rau kev ncaj ncees, tab sis nws yog dav siv nyob rau hauv Nyiv, Kauslim thiab Suav; Buffalo nyom, yog ib txwm nyom ntawm thaj chaw zoo ntawm North America, yog qhov haum rau ntev nyom hauv cov chaw nruab nrab, ib thaj chaw qhuav dej; Ntug hiav txwv paspalum, feem ntau cov ntsev-caij nyom, yog haum rau cov chaw kub thiab muaj ntau yam kev txhim kho ntau yam los siv nyom rau terraces,Zaub ntsuab thiab kev ncaj ncees.
Bermuda nyom thiab nws cov hybrids: cov neeg siv nyom Bermuda nyom tau raug kis tau los ntawm Spanish Explorers. Xyoo 1924, Tebchaws Asmeskas tau tsim cov kab hauv Bermuda ntau yam Atlanta, thiab xyoo 1938, U3. Tom qab ntawd, thaum lub Golfer Golfer Bobby Jones tau mus rau Iyiv mus rau kev ua si cov nyom tshiab ntau yam los ntawm Egypt, Upandagrass. Ua ntej 1950, tsuas muaj cov kab ke bermuda uas tuaj yeem xaiv tau. Thaum xyoo 1950 thiab 1960s, Bermuda nyom feem ntau tau dhau los ua txoj kev siv pa liab. Xyoo 1940, tus kws tshawb fawb los ntawm Asmeskas Lub Tuam Tsev Saib Xyuas Kev Ua Liaj Ua Teb, muaj kev sib tsoo ntawm nws cov nyom hauv lub nroog ntawm Tifton, Georgia. Tom qab hybridization, nws launched Tifton 57 (tiflawn) xyoo 1957. Yog li Burton txuas ntxiv kawm thiab kawm paub tias lwm tus paub txog nws tifton 57 nrog aub hauv nroog. Tom qab tau kev tshoov siab, nws tawm tswv yim thiab tau txais ntau cov aub hauv paus hniav hauv nroog nyob rau yav qab teb cov kev kawm golf. Tom qab pua pua ntawm cov hybridizations, Burton tsim tawm tifton 127 (Tifine 328 (Tifgreen) thiab Tifton 419 (Tu tswv yim). Lub Dwarf Bermuda (TIFDWARF) tau bred los ntawm lwm tus kws tshawb fawb los ntawm kev xaiv caj ces ntawm 328, tab sis tau sau npe los ntawm Burton xyoo 1955.
Txog rau hnub no, Tifton tseem yog lub chaw tso cai rau kev txheeb xyuas ntawm Bermuda hybrids. Nyob rau hauv xyoo tsis ntev los no, lwm tus kws tshawb fawb, Hanna, tseem ua kev tshawb fawb hauv nroog Tondon. Nws pib dav dav cov nyom thiab tifsport, ob qho uas muaj niam nroj tsuag los ntawm Tuam Tshoj.
Lub Sijhawm Post: Dec-09-2024