HangangaPūtaiao

He aha te mea te pakiaka o te tipu?

He aha te mea te pakiaka? Ko te okana tipu rawa nui e whakarato tona tupu me te mahi. Ko te putanga o tenei tinana kua hono ki te wāhanga o te whanaketanga o te otaota o mata o te whenua.

Root - he wahi raro o te tipu, e kua te tupu apical me he hanganga toropā.

Ko te mahi pakiaka matua ko:

  • punga - e ko, mau te tipu i roto i te oneone;
  • ngongo me - te whiwhi i te wai whenua, me te kohuke matū kawea i roto i te kōtai (wai kiko whakahaere) ki te katoa wāhanga tipu aboveground mo te hanga tukanga o te ahotakakame.

synthesized ano i roto i te wahi irirangi o te tipu matū organic, me rite i roto i te pakiaka o hormones, waikawa amino, pāhare, et al., Whakaemi reira me he supply o ngā matūkai. Ko hoki te pakiaka te okana o whakatö vegetative o ngā tipu.

Āpiti atu ki te whakamāramatanga o te mea ko te pakiaka, puta tonu te ariā o te pūnaha pakiaka, i hanga nei e nga pakiaka katoa o te otaota i roto i te töpü. Wehewehe i te pakiaka matua, adventitious me lateral.

whiwhi ana te matua (tuatahi ranei) pakiaka ko tonu tona whanaketanga i roto i te pakiaka embryonic. I roto i te tupu tipu me gymnosperms ko te matua pakiaka matua, he tupu mutunga, me te geotropism pai (arā hoatu te aronga tika mo te tupu o te otaota).

He Tuarua pakiaka adventitious me te tupu i te kakau me pakiaka tawhito, rau ranei.

pakiaka lateral tupu i te matua me te apatoko.

Ko te pakiaka o te pūnaha momo e matua kaiota te ranei. I te matua o te pūnaha pakiaka o te pakiaka tuatahi kei te kaha te whakaputa. Taua pūnaha whai tipu te nuinga dicotyledonous (hei tauira kāreti, dandelions, merengi, putirā). A, no te faaite iti kaiota tupu pūnaha pakiaka o te pakiaka matua, e kore e tu te reira i roto i roto i te pakiaka adventitious (hei tauira, pakiaka valerian, psyllium, rai). he angamaheni te nuinga hoki tenei pūnaha pakiaka monocots.

Ko te hanganga ā-o nga pakiaka

He aha te mea te pakiaka, i te wāhi o te tirohanga o tona hanganga ā-? I tona pokapū kei te whakahaere i te pūnaha pakiaka arā, o ngongo tatari me oko. Whakarato tahi he oko waka wai ki ngā matūkai rewa ki te wahi irirangi o nga pakiaka makawe. korere tatari, i runga i te anga ke, kua kawea mai nga rongoā organic tinana no te whenua ki ngā pūtau pakiaka. Kei te tonu wehea Pūtau te kopa pakiaka mātauranga (cambium) me te whakarato i tenei tupu pakiaka i roto i te matotoru.

He aha te mea te pakiaka, a ka he mārama kitea i roto i te wāhanga roa ona rohe matua katoa.

i hanga pakiaka pōtae e pani i te papanga, me te e hipokina te tihi pakiaka, te tiaki i te reira rite te potae i ngā pakaru. atu tōna mahi ko ki te whakatairanga i te haereraa i mua o te pakiaka i roto i te whenua.

Kei rohe rohe kei te tonu i raro i te pōtae pakiaka, me te ngā o ngā pūtau iti papanga mātauranga e whakarato ratou tupu hawhe pakiaka tūturu.

totoro rohe i hanga te rawa taitamariki, anake tipu pūtau totoro i roto i te ahunga wä roa, me te reira te raveraa i tupu pakiaka i roto i te roa.

Ki te āta keri te tipu, ka taea e kite koe i pehea entwine nga pakiaka nga matūriki oneone, ka karanga i tenei wahi ko te rohe momi. Kei te taupokina ai a reira e nga makawe pakiaka, ko tona mahi, ko te ki te u, wai ki ngā matūkai. Makawe he mata uku.

Runga ake te rohe momi o te rohe i hanga e te papanga conductive me hanga ake te nuinga o te roa pakiaka. Hoki oko hutia whakarunga haere te kakau wai neke me ngā kohuke, e e tika memeha ki reira.

Etahi o nga pakiaka o te tipu ka taea te puta ke i te putanga o ngā āhuatanga kino mo te tupu o te otaota, me te whakarato wāhi noho ki a ratou.

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