Ib pawg kws tshawb fawb los ntawm Tsoom Fwv Teb Chaws Kev Tshawb Fawb Txog Kev cog qoob loo (Lub Tebchaws Yelemees) tau tshaj tawm kev siv hluav taws xob ionizing los tiv thaiv nematodes. Ib tsab xov xwm luam tawm hauv Agronomy 2022 ntawm www.mdpi.com piav qhia txog txoj hauv kev tshiab.
"Cas cyst nematodes Tawg caj dab Globodera и G. Rostochiensis yog cov kab mob loj ua rau cov qoob loo poob nyiaj txiag loj.
Cov tsos mob ntawm tus kab mob, xws li stunting thiab yellowing ntawm nplooj, yog qhov tsis yog tshwj xeeb thiab tshwm sim nyob rau hauv cov theem tom ntej ntawm kev loj hlob ntawm cov nroj tsuag. Cov pejxeem tshiab Globodera spp.. nrog rau siab virulence, kov yeej txhua yam paub txog kev tiv thaiv hauv qos ntau yam, tuaj yeem tshwm sim txhua lub sijhawm.
Tiv thaiv kev sib kis ntawm ob hom nematodes yog qhov tseem ceeb heev. Av fragments adhering rau tubers tseem yog ib qhov chaw ntawm nematode cysts.
Kev ntsuas tshuaj tua kab mob xws li γ- thiab β-irradiation yog siv rau hauv decontamination ntawm cov khoom ntim thiab cov khoom siv kho mob pov tseg los ntawm ntau yam kab mob thiab kab tsuag.
Hauv kev lag luam khoom noj khoom haus, irradiation prolongs lub neej txee los yog inhibits qhov germination ntawm fungal spores. Lub zog ntom ntom absorbed los ntawm cov khoom yog qhia nyob rau hauv units ntawm Grey koob (Gy), qhov twg 1 Gy yog txhais raws li lub zog ntawm 1 J kis mus rau ib tug loj ntawm 1 kg nyob rau hauv ib tug ionizing hluav taws xob teb nrog ib tug tas li zog flux ceev.
Cov khoom siv kho mob nws tus kheej tsis dhau los ua cov xov tooj cua, vim tias irradiation tsis muaj cov xov tooj cua lossis cov khoom siv hluav taws xob, thiab cov khoom siv hluav taws xob tsis tuaj yeem nkag mus rau hauv qhov chaw hluav taws xob.
Cov koob tshuaj tuag sib txawv rau cov kab mob sib txawv; fungi thiab invertebrates yog rhiab heev rau γ-irradiation, thaum cov kab mob tshwm sim los tiv thaiv koob mus txog 25 kGy.
Ntau qhov kev tshawb fawb yav dhau los tau tshuaj xyuas qhov cuam tshuam ntawm gamma irradiation ntawm nematodes. Cov txheej txheem tau pom tias ua haujlwm zoo ntawm cov nematodes nyob dawb los ntawm kev cuam tshuam spermatogenesis lossis nce qhov feem ntawm cov txiv neej laus hauv cov pejxeem, tab sis rhiab heev rau gamma irradiation txawv ntawm ntau hom nematode, thiab G. rostochiensis tau raug ntau dua Heterodera schachtii yog ib qho ntawm ntau yam.
Hauv kev tshawb fawb los ntawm cov kws tshawb fawb German, nws tau kuaj xyuas seb puas muaj peev xwm thiab tsim cov kab mob nematode cysts raug tshem tawm los ntawm γ- thiab β-irradiation.
Hauv thawj qhov kev sim, nematode cysts tau kho nrog γ- lossis β-irradiation yam tsis muaj av matrix los txiav txim qhov tsis muaj qhov tsawg kawg nkaus koob tshuaj hauv thaj tsam ntawm 0 txog 12 kGy.
Tom qab ntawd, ob qho piv txwv av uas muaj cov hlwv tau irradiated. Irradiation ntawm γ thiab β ntawm koob tshuaj 0, 1, 4, 8 thiab 12 kGy tau ua raws li kev tswj xyuas ntawm Synergy Health Radeberg GmbH (Radeberg, Lub teb chaws Yelemees) los ntawm cov neeg ua haujlwm tshwj xeeb.
Cov txiaj ntsig ntawm irradiation ntawm kev muaj peev xwm thiab kev tsim cov cyst tshiab tau raug soj ntsuam siv cov kev sim hatch thiab tshuaj lom neeg nrog rau cov qos yaj ywm cov nroj tsuag, raws li. Cov kev sim zoo sib xws tau ua tiav ntawm cov pob kws cog qoob loo, vim tias cov qos yaj ywm hauv lub teb chaws Yelemees feem ntau loj hlob hauv kev sib hloov nrog cov qoob loo no.
Pom tau tias 4 kGy yog qhov tsawg kawg nkaus koob tshuaj ntawm gamma lossis beta irradiation hauv kev sim rau kev ua kom tiav G. palida thiab G. Rostochiensis. Qhov tsawg kawg nkaus tawm los ntawm cov menyuam yaus nematodes tsuas yog pom nyob rau hauv cysts G. rostochiensisnthuav tawm ncaj qha raug rau β-irradiation ntawm ib koob ntawm 4 kGy, uas qhia txog hom kab mob tshwj xeeb.