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Kimihia atu te aha ka karanga i roto i ngā tipu whaipua te rua kikiritanga

Kaupapa: "He aha e tupu tipu kikiritanga huaina rua" ako i roto i te ono o te kōeke. Heoi, ka taea e kore nga pakeke whakamārama i te āhua kūware o te tukanga.

Plants, rite nga mea ora katoa uri, te whakamahi i toru ara matua. Ko te tuatahi ko te vegetatively, e ko, haere mai te tipu hou i roto i o tetahi wahi o ona "matua" - pakiaka, kakau, rau, ara he pūtau kotahi. huaina te tuarua ko tōkai, no te mea puta nga otaota i te tautohe, me te e rite ana ki te matua. Na tini harore me etahi pükohu. Ko te tino matatau, ko te kikiritanga o ngā tipu ara fakasekisualé.

I roto i te rangatiratanga tipu, puta tenei tukanga i hononga o tohuhema e taea e ōrite i roto i te rahi (isogamy), rerekē te rahi o (heterogamy) me faufaa rerekē i te tahi e te tahi (oogamy). Ka taea e tatou te mea i taua kikiritanga - he hononga tukanga tane (parāoa), he wahine (hua manu) tohuhema, hua i roto i te pūtau hanganga ki te huinga rua o pūira (te whakatō kākano), a i nei e waiho he tipu hou.

He aha te kikiritanga i roto i ngā tipu whaipua huaina rua? Here i reira he he whekau whakaputa uri motuhake - puawai. Ko tōna wahi wāhanga i roto i kakawaea hematoa ki ketehae (kei roto hae), kura kākano, tīwae, pistil (taupae c), te hae ngongo, e haere mai ana ki te pūwhera kukune te wahi te ūhā. O te akoranga te kura o te koiora, he tokomaha mahara te tahi mea e pā ana ki te pistil me hematoa me kia whakaaro e te aha te kikiritanga o ngā tipu whaipua i huaina rua. Otiia e kore e ko te take tenei.

I roto i ketehae, rite kua whakahuatia, kua hanga e te reira hae, e ngā o ngā pūtau e rua - vegetative nui me te iti i roto i te rahi, generative. A, no te whäkina ketehae, kua horahia e e hau pepeke ranei enei āhuatanga. Kia i runga i te pistil (tauhae tika i runga i) ngā pūtau hae e tipuria na e te wahi vegetative riro hae ngongo piri ki te pūwhera kukune. Na roto i tona pūtau generative tomo te putea, i roto i te akoranga o tona penetration e wehea ki e rua parāoa. Ko tētahi o ratou tae te hua manu, hanumi ki reira ki te hanga i te whakatō kākano, ka hono te tuarua kei te ki te karihi tuarua. Tenei tukanga Ko te take i huaina aha te kikiritanga rua i roto i tupu otaota.

Ētahi tipu hou pai ngā tikanga rerekē o te uri, e faarahi te auau ora o nga momo. A i te wa ka te tika whanau tenei tukanga, kua tenei tikanga o te uri kua tino nui, tukanga whanaketanga. Ko e tika ana ki te meka i te tinana i hanga e te hononga pūtau ki huinga rerekē o pūira nohoia rerekētanga nui me te urutau ki te taiao tenei. Kua whakaaturia ngā physico-matū Modern pehea uri tōkai o te matatini tipu i roto i te natura. Hei tauira, kua reira kua kitea e te hae me te taupae e o pH rerekē, taumata rerekē o te pūmua ngā isoelectric, rerekē whākōkī me amino waikawa hanganga, e, Heoi, whakatairanga tukanga whaiaroaro tino pai turuturu ka tūhono i ēnei pūtau.

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