A hydathode yog ib hom pore, feem ntau pom nyob rau hauv angiosperms, uas
secretes dej los ntawm pores nyob rau hauv lub epidermis los yog nplooj nplooj, feem ntau nyob rau hauv lub ntsis ntawm ib tug marginal hniav los yog serration.. … Cov no, nyob rau hauv lem, sib txuas lus nrog sab nrauv los ntawm ib tug qhib dej stoma los yog qhib pore.
Hydathode yog dab tsi?
Hydathodes yog cov qauv uas tso dej tawm sab hauv ntawm nplooj mus rau nws qhov chaw hauv txheej txheem hu ua guttation. … Nws yog xav tias guttation yog ib txoj kev tsim nyog los nqus cov kuab tshuaj thaum transpiration yog suppressed.
Dab tsi yog hydathodes hauv lus teb luv luv?
Hydathodes yog qhov me me qhib ntawm nplooj nplooj uas yog uncovered los ntawm cuticle(Fig. 4), qhov no tso cai rau guttation ntawm cov dej ntau dhau los ntawm nplooj ntawm cov nroj tsuag herbaceous, xws li mustard, grasses, thiab Saxifragaceae (saxifrage family; Huang, 1986).
YHydathodes hauv cov nroj tsuag yog dab tsi?
Hydathode yog ib tsob nroj kab mob lub luag haujlwm rau guttation hauv cov nroj tsuag vascular, piv txwv li tso tawm cov tee dej ntawm nplooj nplooj lossis saum npoo. Vim tias lub cev no txuas cov nroj tsuag vasculature mus rau ib puag ncig sab nraud, nws kuj yog qhov chaw nkag mus rau ntau yam kab mob vascular.
Puas hydrathodes ib txwm qhib?
Hydathodes ib txwm cuam tshuam nrog cov leeg kawg ntawm nplooj. Stomata tseem kaw thaum hmo ntuj thiab qhib thaum nruab hnub. Hydathodes ib txwm qhib(ob hnub thiabhmo).
