Y Cross-pollination yog kev hloov ntawm paj ntoos los ntawm anther ntawm ib lub paj mus rau stigma ntawm lwm lub paj ntawm ib tus neeg sib txawv ntawm tib hom. … Vim hais tias hla-pollination
tso cai kom muaj ntau yam caj ces, cov nroj tsuag tau tsim ntau txoj hauv kev kom tsis txhob pollination tus kheej.
Vim li cas kev sib hloov pollination tseem ceeb lossis muaj txiaj ntsig hauv cov nroj tsuag?
Cross pollination tau nce sau Yuav luag txhua hom thiab hom yuav dais loj dua
yog tias lawv yog cross-pollinated nrog rau lwm yam. Qhov no yog qhov tseeb tshwj xeeb tshaj yog rau feem ntau tus kheej-pollinating ntau yam.
Vim li cas thiaj tseem ceeb rau pollinate nroj tsuag?
Kev ua tiav pollination cia cov nroj tsuag tsim cov noob. Cov noob yog qhov tseem ceeb ntawm kev tsim cov nroj tsuag tiam tom ntej, uas muab zaub mov rau tiam tom ntej ntawm pollinators thiab lwm yam tsiaj qus. Rooted nyob rau hauv qhov chaw, nroj tsuag xav tau ib tug neeg sawv cev rau hloov paj ntoos rau lawv.
Vim li cas kev sib hloov pollination yog qhov zoo?
Qhov zoo ntawm kev ua paj ntoo khaub lig: - Genetics recombination- raws li pollination tshwm sim ntawm paj ntawm ob hom nroj tsuag sib txawv, qhov no tshwm sim hauv keeb kwm ntawm ntau yam tshiab. Nws pab hauv evolution. -Cov xeeb leej xeeb ntxwv uas ua los ntawm tus ntoo khaub lig-pollination yog noj qab nyob zoo, siv tau, thiab muaj zog (resistant) vim hybrid vigour.
Cov nroj tsuag puas xav tau kev sib hloov pollination?
Nroj tsuag tuaj yeem ua tau: Self-pollinating - cov nroj tsuag tuaj yeem fertilize nws tus kheej; los yog, Hla-pollinating - lub cogxav tau ib tug vector (tus pollinator lossis cua) kom tau paj ntoos mus rau lwm lub paj ntawm tib hom.
