Puas yog herkogamy thiab dichogamy?

Cov txheej txheem:

Puas yog herkogamy thiab dichogamy?
Puas yog herkogamy thiab dichogamy?

Video: Puas yog herkogamy thiab dichogamy?

Video: Puas yog herkogamy thiab dichogamy?
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Qhov sib txawv tseem ceeb ntawm dichogamy thiab herkogamy yog tias dichogamy hais txog kev sib tw hermaphroditism, thaum herkogamy hais txog kev cuam tshuam ntawm txiv neej thiab poj niam ua haujlwm hauv cov nroj tsuag. Dichogamy thiab herkogamy yog ob qhov tshwm sim uas qhia txog kev hloov pauv tau pom los ntawm cov nroj tsuag rau kev sib deev.

Puas herkogamy tiv thaiv tus kheej pollination?

Peb pom tsis muaj qhov sib txawv ntawm paj ntoos deposition ntawm ntuj thiab emasculated paj, qhia tias herkogamy tsis txo tus kheej pollination Ntau herkogamy ua rau txo cov paj ntoos deposition thiab txo qhov tshwm sim ntawm kev teeb tsa txiv hmab txiv ntoo, txawm li cas los xij, tus lej ntau dua.

Puas yog herkogamy thiab Heterostyly tib yam?

Herkogamy yog ib hom kev ua haujlwm los ntawm cov paj (angiosperms) txhawm rau txhawb kom hla pollination tshaj tus kheej-pollination.… Ntawm qhov tod tes, heterostyly yog ib hom herkogamy, qhov chaw qias neeg loj hlob ntawm qhov ntev sib txawv nrog cov anthers uas lawv tsis tuaj yeem fertilized los ntawm lawv.

Tus piv txwv ntawm herkogamy yog dab tsi?

feem ntau yog ib lub paj xws li hauv ntau Papaveraceae thiab Rosaceae. Muntingia calabura (Elaeocarpaceae) yog lwm qhov piv txwv ntawm lub paj tawg paj nrog unordered herkogamy; ntau stamens nyob ib ncig ntawm lub loj, nruab nrab, lobed stigma (Bawa & Webb 1983). Hauv New Zealand, Corokia cotoneaster muab piv txwv ntawm hom paj no.

koj txhais li cas los ntawm herkogamy?

Herkogamy (los yog hercogamy) yog ib lub tswv yim uas siv los ntawm hermaphroditic angiosperms kom txo tau kev sib deev ntawm txiv neej (antthers) thiab poj niam (stigma) muaj nuj nqi Herkogamy txawv ntawm lwm cov tswv yim zoo li no (Piv txwv li dichogamy) los ntawm kev muab qhov sib cais ntawm cov anthers thiab stigma.

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