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KORENINA

KORENINA. OKOLJE IN KORENINSKI SISTEM. Razrast koreninskega sistema je odvisen od tal in podnebja. - Naprimer: kaktusi v puščavah imajo široko razrasle stranske korenine, medtem ko pri rastlinah v našem podnebnem pasu srečamo globok koreninski sistem. KAJ JE KORENINA?.

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KORENINA

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  1. KORENINA

  2. OKOLJE IN KORENINSKI SISTEM Razrast koreninskega sistema je odvisen od tal in podnebja. - Naprimer: kaktusi v puščavah imajo široko razrasle stranske korenine, medtem ko pri rastlinah v našem podnebnem pasu srečamo globok koreninski sistem.

  3. KAJ JE KORENINA? • JE OSNOVNI RASTLINSKI ORGAN, KI SE RAZVIJE IZ KORENIČICE. • TAKŠNI KORENINI REČEMO PRAVA KORENINA.

  4. PREOBRAŽENE KORENINE • ODEBELJENE KORENINE • Skladiščenje hranilnih snovi • Koreninski gomolji • Odebeljene glavna in stranske korenine

  5. SESALNE KORENINE • Bela omela • Črpanje mineralnih snovi in vode iz drevesa

  6. OPORNE KORENINE • Dajejo oporo.

  7. OPRIJEMALNE KORENINE • Bršljan • Iz drevesa ne črpajo mineralnih snovi.

  8. ZRAČNE KORENINE Filodendrom, monstera • Za oporo • Črpajo vlago iz zraka

  9. NADOMESTNE KORENINE Ne razvijejo se iz kalčka, ampak iz drugih rastlinskih organov – korenine potaknjencev.

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