Zbirka semena
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Transcript of Zbirka semena
![Page 1: Zbirka semena](https://reader034.fdocument.pub/reader034/viewer/2022052123/55a657f11a28ab4b308b47d1/html5/thumbnails/1.jpg)
ZBIRKA SEMENA I PLODOVA
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SEME
Reproduktivni biljni organ koji nastaje iz semenog
zametka nakon oplođenja.
Unutar semena nalazi se klica-začetak nove biljke.
Uloga semena jeste da štiti klicu i da joj obezbedi
hranu za rast i razvoj.
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SEMENA SU PO IZGLEDU VRLO RAZNOVRSNA
Po obliku
Boji
Veličini
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ZBIRKE SMENA I PLODOVA
Suve zbirke
Mokre zbirke
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SUVE ZBIRKE
Za formiranje zbirke semena treba posebnu pažnju
obratiti na:
Izbor kvalitetnog semena koje nije oštećeno, ili
deformisano.
Seme se mora dobro osušiti pre stavljanja u
zbirku. Seme iz prirode je obično inficirano sporama
gljiva, te ako je još i vlažno, na odgovarajućoj
temperaturi se razvijaju micelije i seme će brzo biti
uništeno.
Nakon dobrog sušenja, seme je najbolje pakovati u
staklene ili plastične providne posude koje se
mogu dobro zatvoriti
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ZBIRKA U PLASTIČNIM POSUDICAMA
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ZBIRKA U STAKLENIM POSUDICAMA
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ZBIRKA U STAKLENIM POSUDICAMA
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ZBIRKA U STAKLENIM POSUDICAMA
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ZBIRKA SEMENA U KESICAMA
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ZBIRKA SEMENA U KESICAMA
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ZBIRKA SEMENA U KESICAMA
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KUTIJA ZA ČUVANJE
SUVIH SEMENA I
PLODOVA
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ZBIRKA U KUTIJI
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ZBIRKA U KUTIJI
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ZBIRKA U KUTIJI
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ORMARI ZA
ČUVANJE
ZBIRKI
SEMENA
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KUTIJA ZA SEMENA OD RECIKLIRANE AMBALAŽE
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Pojedinačne posude treba obeležiti :
Na donji deo posude lepi se mala etiketa sa uredno
napisanim informacijama o imenu i mestu nalaženja
biljke ili se ista takva etiketa ubacuje u samu
posudu.
Osnovna škola “Nikola Vukićević” Sombor
Zbirka semena i plodova
Ime vrste:
Sakupljač:
Datum:
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SPISAK NEKIH OD
VRSTA ZA
SUVU ZBIRKU
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MOKRA ZBIRKA
Čuvanje sočnih semena i plodova u određenim
rastvorima.
Taj rastvor mora biti bezbojan, a materijal sa
rastvorom se drži u providnim staklenim posudama
kako bi se mogao posmatrati.
I ova semena i plodovi se obeležavaju etiketom.
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KAKO ČUVATI SOČNE PLODOVE?
Kao najčešći način čuvanja koristi 50% rastvor etil-
alkohola (kupuje se u apoteci).
Pre uranjanja u rastvor materijal treba očistiti i
oprati vodom.
Često je pre potapanja u rastvor veoma značajno
napraviti presek organa, kako bi se pogledala
njegova unutrašnja građa.
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TEGLICE ZA MOKRU ZBIRKU SOČNIH PLODOVA