Qos yaj ywm ua liaj ua teb ntsib ntau yam kev cov nyom. Ib qho me me, tseem muaj kev puas tsuaj, Kab Tsuag yog Colorado qos beetle. Nws tuaj yeem ua rau muaj kev puas tsuaj loj rau cov qoob loo qoob loo. Nws kuj tseem muaj npe nrov rau ua rau tiv taus tshuaj tua kab tshuaj. Hauv txoj kev tshawb fawb tshiab, luam tawm hauv Cov Qoob Loo Science, cov kws tshawb fawb ntawm Michigan State University (MSU) piav qhia cov cuab yeej cuab yeej los tsim cov qos yaj ywm ntau yam nrog kev txhim kho ntuj tiv taus cov qos kab, raws li tsab xov xwm los ntawm Adityarup, Asmeskas Koom Haum ntawm Agronomy.
Lawv kuj tsim cov peev txheej tseem ceeb ntawm caj ces -hu ua recombinant inbred lines -uas yuav pab txhawb kev cog qoob loo tshiab qos ntau yam.
Colorado qos beetle tuaj yeem ua rau cov qos yaj ywm puas tsuaj ntau lawm. Tab sis qee tus txheeb ze qus ntawm cov qos yaj ywm hauv tsev muaj kev tiv thaiv ntuj tiv thaiv cov kab no. Cov nroj tsuag qus no ua rau lawv tus kheej tua kab.
"Qee qhov sib xyaw no tuaj yeem tua Colorado qos beetle larvae," said Natalie Kaiser, tus kws tshawb fawb ntawm Michigan State University thiab tus thawj coj sau txoj kev tshawb fawb no. "Cov tshuaj sib xyaw no tseem txo qis cov neeg laus noj kab."
Tab sis kev siv cov tshuaj sib xyaw loj no tuaj yeem ua rau muaj kev phom sij rau tib neeg. Thaum beetles chomp ntawm qos nplooj, tib neeg pom tseeb tsis ua. "Yog li, nws yog qhov tsim nyog los tsim cov qos yaj ywm ntau yam uas ua rau cov tshuaj tiv thaiv kab no tsuas yog hauv lawv cov nplooj," Kaiser hais.
Cov qos yaj ywm tshiab ntau yam thiab cov cuab yeej siv tsim kho yuav tso cai rau cov kws tshawb fawb "tshuaj xyuas lub hauv paus ntawm kev yug menyuam tus kheej, thiab kab thiab tiv thaiv kab mob," raws li Kaiser. Nws hais tias "Txoj kev no, peb tuaj yeem tsim cov qos yaj ywm tshiab uas yav dhau los ua tsis tau," nws hais.
Cov kws tshawb fawb ntawm Michigan State University tab tom nthuav txoj kev tshawb fawb no hauv kev sim rau lub caij ntuj sov no.
Tau qhov twg los: Phys.org. Nyeem tag nrho hauv kab lus no
Yees duab: Tus kws sau ntawv kawm Natalie Kaiser hla cov qos yaj ywm uas muaj zog Colorado qos beetle tsis kam rau cov qos yaj ywm nrog tuber zoo tsim hauv tsev cog khoom. Nws tab tom siv lub zog me me los xaiv tus txiv neej ib feem ntawm lub paj, cov anthers. Credit: Natalie Kaiser