Sentences Mobile Cov cotyledons yog hypogeal, nyob hauv av thaum germination. Cov nroj tsuag uas qhia tias hypogeal germination hlob kuj qeeb, tshwj xeeb tshaj yog nyob rau hauv thawj theem. Qhov no yog hu ua hypogeal germination. Cov nroj tsuag cuam tshuam qhia kev sib xyaw ntawm hypogeal thiab epigeal kev loj hlob, txawm nyob hauv tib tsev neeg cog.
piv txwv ntawm kev cog qoob loo yog dab tsi?
Nyob rau hauv hypogeal germination, cov cotyledons nyob hauv av. Tab sis, nyob rau hauv epigeal germination, lub hypocotyls thawj zaug tuaj saum av saum npoo thiab ces ncaj. Piv txwv ntawm hypogeal germination yog gram, pea, thiab lwm yam. Piv txwv ntawm epigeal germination yog av txiv ntoo, taum, thiab lwm yam.
kab lus zoo rau lo lus germination yog dab tsi?
txheej txheem uas noob los yog spores sprout thiab pib loj hlob 2. lub hauv paus ntawm ib co kev loj hlob. 1. Cov noob qoob loo tsis zoo tuaj yeem yog vim av txias heev.
piv txwv ntawm epigeal yog dab tsi?
Epigeal thiab hypogeal yog ob hom kev germination uas epigeal yog germination uas coj cotyledons tawm ntawm cov av nto, ib qho piv txwv ntawm cov nroj tsuag uas muaj epigeal germination yog taum ntsuab, thaum hypogeal yog germination uas perpetuates cotyledons nyob rau hauv cov av, ib qho piv txwv ntawm cov nroj tsuag uas muaj germination …
Yam piv txwv yog dab tsi?
Nyob zoo li no germination, cov cotyledons tsis tuaj tawm ntawm cov av nto. Nyob rau hauv xws li nooblub epicotyl (piv txwv li, ib feem ntawm embryonic axis ntawm plumule thiab cotyledons) elongates thawb lub plumule tawm ntawm cov av. … Ntawm cov dicotyledons, gram, taum mog, hauv pausyog ib co piv txwv ntawm hypogeal germination.