Marcescence yog qhov khaws cia ntawm cov nroj tsuag tuag uas ib txwm tso tawm. Tsob ntoo hloov dej thiab kua txiv los ntawm cov hauv paus hniav mus rau nplooj los ntawm lawv cov hlab ntsha, tab sis nyob rau hauv qee cov ntoo thaum lub caij nplooj zeeg pib, lub …
Dab tsi ua rau marcescence?
Lub caij ntuj no marcescence yog tshwm sim los ntawm tsis muaj enzymes tsim los ntawm tsob ntooCov enzymes no yog lub luag haujlwm tsim cov txheej abscission ntawm lub hauv paus ntawm nplooj qia. … Yog tsis muaj qhov no, nws yuav zoo li cov nplooj yuav “daws” thoob plaws lub caij ntuj no.
Koj txhais li cas ntawm deciduous?
1 biology: ntog tawm lossis tawm raws caij nyoog lossis ntawm qee theem ntawm kev loj hlob hauv lub neej voj voogcov nplooj deciduous nplai.2 biology ua. a: muaj deciduous qhov chaw maples, birches, thiab lwm yam ntoo deciduous deciduous dentition. b: muaj cov nroj tsuag deciduous ib deciduous hav zoov.
Cov ntoo twg yog Marcescent?
Ntau tsob ntoo ib txwm muaj cov nplooj marcescent xws li oak (Quercus) , beech (fagus) thiab hornbeam (Carpinus), lossis marcescent stipules li hauv qee yam tab sis tsis yog txhua hom willows. (Salix).
- Carpinus (hornbeams)
- Espeletia (frailejones)
- Fagus (beeches)
- Hamamelis (dab-hazels)
- Quercus (oaks)
Vim li cas nplooj tuag nyob saum ntoo?
Yog nws tau txias txias ua ntej nplooj poob ib txwm poob, qhov txias tuaj yeem tua cov nplooj tam sim. Hauv qhov no, tsob ntoo tsis muaj sijhawm los tsim cov hlwb abscission, yog li cov nplooj tuag nyob hauv qhov chaw. Cov nplooj yuav poob thaum kawg, los ntawm qhov hnyav ntawm daus los yog cua.