Credit rau thawj tus kws tshaj lij kev txaus siab hauv hybrid pob kws feem ntau mus rau Professor James Beal , tus kws tshaj lij ntawm Michigan Agricultural College Michigan Agricultural College Michigan State University(MSU) yog ib lub tsev kawm ntawv tshawb fawb txog av hauv East Lansing, Michigan. MSU tau tsim muaj nyob rau xyoo 1855 thiab ua tus qauv rau cov tsev kawm ntawv qib siab hauv av thiab cov tsev kawm qib siab tom qab tsim los ntawm Morrill Act of 1862. https://en.wikipedia.org › wiki › Michigan_State_University
Michigan State University - Wikipedia
(tam sim no Michigan State University) uas, xyoo 1879, hla ob hom qhib-pollinated rau lub hom phiaj ntawm kev nce yield.
Thaum twg yog hybridized pob kws invented?
Jones tau tsim tus ntoo khaub lig ob zaug hauv 1917, ib txoj hauv kev ntawm kev tsim cov noob hybrid uas ua rau muaj peev xwm siv tau los ntawm kev tshawb pom yav dhau los ntawm East thiab Shull. ^ Tab sis Henry A. Wallace, ntau dua li lwm tus tib neeg, tau qhia cov pob kws hybrid rau Asmeskas cov neeg ua liaj ua teb thiab txhawb nqa nws txoj kev saws me nyuam.
Vim li cas pob kws hybridized?
Cov pob kws hybrid - ob qho tib si- thiab ob-hloov - muaj txiaj ntsig zoo. Cog breeders txhob txwm tsim ntau yam nrog cov yam ntxwv tshwj xeeb; tej zaum lawv yuav yog loj hlob sai, lossis muaj peev xwm zam tau kev kub ntxhov, lossis tshwj xeeb tshaj yog tiv taus kab tsuag xws li European pob kws borer.
Leej twg invented hybrid maize?
Hybrid pob kws yug me nyuam pib xyoo 1909, feem ntau dhau los ntawmkev tshawb fawb tshiab ntawm Dr. G. H. Shull, tus kws tshawb fawb ntawm Carnegie Institute hauv Washington, DC Ob peb xyoos tom qab ntawd, ib tug hluas hauv nruab nrab Iowan hu ua Henry A. Wallace tau kawm txog kev ua haujlwm ntawm Shull thiab lwm tus, thiab pib nws qhov kev sim.
pob kws hybrids tsim li cas?
Hybrid pob kws ntau lawm kuj yuav tsum tau cog tshwj xeeb piv rau cov txiv neej thiab poj niam niam txiv kab. Txiv neej thiab poj niam kab yog cog rau hauv lawv tus kheej kab ntawm cov hnub sib txawv kom ua kom zoo nick. Txiv neej pollen ntau lawm yuav tsum muaj zog kom ntau tus poj niam kab tuaj yeem cog rau txhua tus txiv neej kab.
