Qhov twg ntawm qhov muab tso rau cuam tshuam tus kheej pollination? Teb: 1) Dioecy yog cov lus teb raug. … Cleistogamy=> Nyob rau hauv ib lub paj tsis qhib paj pollination thiab fertilization tshwm sim yog hu ua Cleistogamy thiab nws cuam tshuam kev hla-pollination thiab txhawb nws tus kheej pollination.
Dab tsi yog ib qho cuab yeej uas cuam tshuam tus kheej-pollination?
Hauv paj cleistogamous, lub anthers dehisce hauv kaw paj. Kev loj hlob ntawm cov style coj cov paj ntoos nplej nyob rau hauv kev sib cuag nrog stigma. Cleistogamy xyuas kom tus kheej pollination. Yog li, lo lus teb raug yog 'Cleistogamy'.
Dab tsi yog qhov tshwj xeeb ntawm tus kheej pollination?
Tus kheej-pollination tshwm sim nyob rau hauv paj qhov twg cov stamens thiab carpel loj hlob tib lub sijhawm, thiab muab tso rau kom paj ntoos tuaj yeem tsaws ntawm lub paj qias neeg. Txoj kev pollination no tsis xav tau kev nqis peev los ntawm cov nroj tsuag los muab nectar thiab paj ntoos ua zaub mov rau pollinators.
Cov nroj tsuag twg hauv qab no tsis yog tus kheej pollinated?
Cov lus teb yog 1. Dioecious. Cov nroj tsuag dioecious yog cov uas txiv neej thiab poj niam cev xeeb tub tau yug los ntawm cov nroj tsuag sib cais, vim tias lawv tsis tuaj yeem ua rau nws tus kheej pollinate. Piv txwv li willow, yew, poplar thiab holly.
Vim li cas cov paj ntoo cuam tshuam tus kheej pollination?
Teb: Txuas ntxiv rau tus kheej pollination ua rau muaj kev nyuaj siab sib cuam tshuam yog li hauvkom tsis txhob cuam tshuam tus kheej-pollination thiab txhawb nqa cross-pollination, ntau cov paj ntoo tau tsim ntau yam khoom siv. Hauv qee hom, cov paj ntoos tso tawm thiab stigma receptivity tsis synchronised.
