Pohakuʻohanalei ku anei i kanu. hoʻonaʻauao lole

Nā mea kanu ulu ma ko lakou mau ola, a me keia hana, e radically distinguishes ia mai na holoholona. Ka papa kūlana ma ke kahua o ka hou hoi e pana aku uluʻoi Radio - He kūikawā 'ole kahi keena i mau mahele ana. Keia oo? Ua aia ma luna o ka piko o ka hakuʻala, e like me ma ka apex o ka papa kuhikuhiE kumu. Pehea mea kanu kahu ai i ka hoʻomau i ka ulu?

Pohakuʻohanalei ala: He aha ka mea a ka mea kona kūlana?

Ma ka piko o ke kumu a me ka aʻa mea kanu mea he kūikawā 'āpana mahele, a ua hana meristem keena. Ka hiʻona o keia laau'aʻaʻa o ka hiki i ka noke a hoʻomaka koke mahele, i hiki aku ai i ka mahuahua ana a pau kino nā loko ma ka lōʻihi a me ka mānoanoa.

Hoʻonaʻauao lole ua hoi aia ma luna o ka piko o ka launahele hakuʻala. Maoli, i ke kumu o kekahi o lakou, a ma laila nō hou hoi e pana aku, a ae i ka mea kanu, e hohola aku ma luna o ka nui wahi, a loaa hou ka ikehu lā ikehu no ka kāʻamaʻai. Aia i ekolu ke ano o ka hakuʻala: maʻi, kīloi paʻewa a me ka adventitious. Ka mua aia ma ka apex o ka mea kanu, a me kā lākou mau wahi o ka ulu ana e leie aku ka kino, e mahuahua ma ka lōʻihi. i loaʻa kīloi paʻewa nā'ōpuʻu ma luna o ke kumu, a he kuleana no ka ai manamana ai, oa ke kahua o kaʻaoʻao hoi e pana aku. Adventitious nā'ōpuʻu i manaoia moe ko a ua ho'ā 'ia ka wā i papani ai hoi i ka luna o ka meristem māhele.

He aha ka i ka ulu ana o kaʻohana? Mua, ka mea, ua hanaʻia ma keena o ka meristem, a mahele koke a a laila dictate a pau'ē aʻe nā'aʻaʻa. Ka lua, o ka ulu ciia kahi kokoke i ka rudimentary ōhāhā, lau a me rudimentary rudimentary muʻo, a e lilo i kumu no ka ho okumu ana o ka uʻi uhu.

Pohakuʻohanalei ku anei i a me ka aa

Hoʻonaʻauao'aʻaʻa ua kia kuhikuhi ma luna o ka piko o na mea kanu, e mea ma ka apex o ke kumu a me ka wēlau o ke kumu. Ke kumu Ua pela, e like me ke kumu, mahuahua kona lōʻihi ma muli o ka mahele o ka mesodermal keena. Ka hope, i ka huli, i loko o ke kaʻina hana o ka manao paa kuahene hou halepaahaoʻAno a me nā'aʻaʻa. Ke anei i mea lawelawe lole (xylem a me ka phloem), ke kumu o lole, ka uhi, a no laila, ma luna o. D.

mole ulu aʻoi, kona mau ano. No ka mea, o ma ke kumu hope, a mea kuleana no ka ulu ana ma ka lōʻihi, ka paa lepo makemake koke luku lahilahi pā pōhaku hoʻonaʻauao'aʻaʻa keena, a makemake ana i ka fission kaʻina. No laila, ma o ka mahele ciia mea aa chap, a aeee i sloughed aku me ka lepo, i laila ka pale 'ana i ke kūlana keena o ka mesoderm a me ka noho kaʻawale mucous waiwai i kōkua paipai kanu hui, kōkua lola honua.

Meristem - kanu'aʻaʻa hoʻonaʻauao

Lole, e i ka bulk o ka ulu nā'ōpuʻu, kumu a me na aa, ua ikeia me "meristem". Ua hoʻonaʻauao lole ua haku o ka poe liilii, lahilahi-hala keena, a i ka nui Kernel a me ka lehulehu uuku vacuoles. Meristem kuleana pili i - keia kokololio halepaahao mahele, a māhuahua ma ka biomass mea kanu.

IIeEeAIEUAA meristem maheleia i loko o apical, kīloi paʻewa a me ka intercalary.

• Apical meristems i aia ma ke kōkua o ke kumu a me ka aa. Lākou ka papa kuhikuhiE hana mea e hoomahuahua i ka lōʻihi o ka mea kanu.
• ʻaoʻao hoʻonaʻauao lole komolima poe cambium i loko o ke kumu a me ke kumu pericycle. Ma keia meristem herbaceous mea kanu ua hoʻomaka koke nalowaleʻana aku, a me ka perennial woody ia mea i mea e hiki ai ke kumu a me ka aa ka ulu ana i loko o ka laula. E like me ka hopena o ke kīloi paʻewa meristem i hana ai-kapaia makahiki apo.

• Intercalary, a intercalary, meristem mea i loko o ka wahi o ka herbaceous mea kanu aka wahi. Best o nā mea a pau, i kēia 'ano o ka hoʻonaʻauao' ana ua hoikea mai oia, i loko o ka lole o kaʻohana o nā kiliala, i kuleana no ka mea ulu i loko o ka lōʻihi o nā interstices.

I kaʻawale eha meristems, e hanaʻia ma ka wahi o ka me mechanical poino i ka mea kanu kino ma ka despecialization puni'aʻaʻa (i hookuu i ka parenchyma).

Ma ka manawa o ka hanana o ka meristem e māheleʻia i loko o iniiaiie a me nā haumāna. Ka palapala mua o ka embryo ka kino, a me ka ua hope i mua, ua malamaia ma opiopio kanu hana.

E ho ohana i ka hiʻona o ka meristem ma ka hoʻomaʻamaʻa

I kekahi manawa Style a kīhāpai mea kanu hoʻomaka e ulu hoʻomaka koke i ka lōʻihi,ʻaʻole ai manamana ai mai loko o ka poe liilii,ʻaoʻao hoi e pana aku. E pale excessive anei i ka ulu ana i loko o kona kiʻekiʻe, ua io, eʻoki poepoeʻia kona luna. E like me ka hopena, ulu, hoʻopuʻupuʻu ke kino, a me ke kanu hoʻomaka e 'Imi ai manamana ai ma muli o kaʻaoʻao gusset a me nā puʻupaʻaʻelua.

Inā, ma ka mea ku ole, ia mea pono e hooloihi i ke kaʻina hana o ka ulu ana ma ka lōʻihi,ʻoki i ka luna o ke kumu i loko o kekahi hihia ole i ke Akua. Kēia e alakaʻi ana i ka lilo ana o ka hoʻonaʻauao'aʻaʻa i mea kuleana no ka hoomahuahua ana i ka mea kanu kino.

ka hopena

Pohakuʻohanalei Rise Radio he kī kūlana i loko o ka ulu ana o flora. Ua ua hana ma na keena o ka meristem, a me ka hoʻonaʻauao lole, a i ka mea hou apical a kīloi paʻewa hoi e pana aku. Pohakuʻohanalei o ke ala hou i loko o nā puʻupaʻa, a hoomalu nae lakou i ka meristem mai ke kaiapuni. Maoli, i kekahi mohala haawi ala i ka hou holo ma hope o ke ku e ma ka mesoderm keena.