Koj puas paub tias nws zoo li cas kom ntes tau ntawm cov pob zeb loj tiag tiag hauv nruab nrab ntawm lub caij ntuj sov? Tau kawg, peb tsis tau tham txog cov snowflakes tiag tiag ntawm no - tab sis theej fluffy-dawb poplar noob!
Poplar noob yog dab tsi thiab lawv kis tau li cas?
Poplar noob yog me me, cov noob hauv huab cua tso tawm los ntawm cov ntoo poplar thaum lub caij ntuj sov. Lawv yog lub teeb, furry thiab muaj cov cellulose zoo fibers uas pab lawv ya thiab ua luam dej. Cov khoom no tso cai rau cov noob qoob loo kom tawg los ntawm cua lossis dej ntws los ua kom muaj kev loj hlob thiab kev loj hlob.
Dawb sprinkles nyob rau nruab nrab Lub rau hli ntuj
Tom qab kev taug kev hauv lub Rau Hli koj tuaj yeem zoo li koj tau taug kev hauv hav zoov lub caij ntuj no: txhua tus tuaj yeem dawb. Dab tsi yog qhov poob qis yog qhov tseeb tsis yog snowflakes, tab sis feem ntau yuav poplar noob. Txawm li cas los xij, cov phooj ywg me me yeej zoo ib yam li cov khoom caij nplooj zeeg uas cov me nyuam xav tau rau lub caij ntuj no: lawv tau nruab nrog lub ntsej muag dawb, fluffy forelock uas ua rau lawv zoo li mos flakes.
Cov noob nrog paraglider
Yog vim li cas rau qhov no, ib yam li tag nrho lwm yam anemochorous (cua-flying) nroj tsuag, yog tias poplar tau xaiv cua los ua tus pab rau nws generative reproduction. Yog li ntawd, nws hloov nws cov noob mus rau qhov tseem ceeb sab nraud thiab nruab lawv nrog ib hom paraglider - nyob rau hauv daim ntawv ntawm ib tug nplua, dawb tuft ntawm cov plaub hau, uas cov noob tau ya ob peb meters deb ntawm niam tsob ntoo thiab sim nws hmoov ntawm germinating..
Txoj kab teg kuj ua rau cov noob muaj zog heev, yog li muaj hmoo me ntsis nws tuaj yeem thauj mus ntxiv hauv cov dej ntws los yog cov kwj deg.
Nyob zoo noob npaj tawm
Lub ripening ntawm poplar noob tshwm sim nyob rau hauv lub capsule txiv hmab txiv ntoo ntawm fertilized poj niam catkin paj. Cov cua kuj yog tus neeg nruab nrab rau pollination los ntawm txiv neej catkin paj. Thaum cov noob poplar siav, cov catkin tso lawv ntawm lawv txoj kev mus rau lub hauv paus germination. Ua li no, nws qhib lub flaps ntawm cov txiv hmab txiv ntoo capsule thiab tawm qhov seem mus rau cua. Nws loosens lawv thiab tsim cov hustle thiab bustle txhua xyoo.
Ntau cov noob los ntawm ntau lub capsules
Muaj ntau cov txiv hmab txiv ntoo thiab cov noob uas muaj rau ntawm tus menyuam miv. Cov noob ntawm tus kheej tsis yog qhov tshwj xeeb zoo rau qhov no thiab muaj feem tsawg ntawm cov germination. Thaum nws los txog rau generative propagation, poplars cia siab rau kom muaj nuj nqis tsis zoo li lwm yam nroj tsuag.
Vim muaj coob tus noob seev cev saum huab cua mus rau hauv av, tag nrho cov kev yug me nyuam sib npaug dua.
Dab tsi poplar wool ua tau
Cov noob txiv ntoo cov plaub hau yog ua los ntawm cov fibers zoo cellulose. Ntxiv nrog rau kev pab lawv ya, cov no kuj muaj lub hom phiaj ntawm absorbing noo noo thiab ua rau cov noob o kom zoo dua germination. Cov noog pom cov paj ntaub paj ntoo uas zoo siab txais tos cov khoom siv rau lawv lub zes. Tib neeg kuj siv paj ntaub ntaub los ua daim ntawv muaj nuj nqis.
