20.500.12556/RUL-62122
Diferenciacija terminalnih traheid kasnega lesa pri navadni jelki v dormantnem obdobju
Differentiation of terminal latewood tracheids in silver fir during dormant period
Proučili smo diferenciacijo terminalnih traheid kasnega lesa v dormantnem obdobju pri 10 navidezno zdravih odraslih jelkah (Abies alba) s pomočjo svetlobne in transmisijske elektronske mikroskopije. Vzorci lesa in kambija so bili odvzeti iz živih dreves v oktobru, novembru in marcu. Kambijeva celična delitvena aktivnost se je pri vseh drevesih zaključila v oktobru, medtem ko je proces diferenciacije v najmlajših traheidah ob kambiju pri drevesih s širšimi branikami še vedno potekal. V novembru so bile pri vseh drevesih celične stene terminalnih traheid kasnega lesa dokončno oblikovane inlignificirane. Celična delitvena aktivnost kambija ter diferenciacija sta se pri drevesih s širšimi branikami zaključili kasneje kot pri drevesih z ožjimi branikami. V vseh proučenih drevesih se je proces diferenciacije v terminalnih traheidah kasnega lesa zaključil pred zimo.
The differentiation of terminal latewood tracheids of silver firs (Abies alba) was studied during dormant period. Samples of wood and cambium were taken from 10 apparently healthy mature trees in the middle of October, November and March. According to light microscopy and transmission electron microscopy, cambial cell-divisional activity was completed in all investigated trees in October, whereas process of differentiation was still ongoing in the youngest tracheids close to the cambium in trees with broader annual xylem growth rings. Cell wall formation and lignification of terminal latewood tracheids were completed in all trees in November. The cambial cell-divisional activity and also differentiation ended later in trees with broader annual xylem growth rings. However, differentiation of terminal latewood tracheids in all investigated trees was completed before winter.
navadna jelka
traheide kasnega lesa
celična stena
diferenciacija
lignifikacija
dormanca
svetlobna mikroskopija
transmisijska elektronska mikroskopija
silver fir
latewood tracheids
cell wall
differentiation
lignification
dormancy
light microscopy
transmission electron microscopy
true
false
false
Zveza lesarjev Slovenije: GZS, Združenje lesarstva
Slovenski jezik
Angleški jezik
Delo ni kategorizirano
2015-07-10 19:13:20
2015-07-10 19:13:20
2022-08-01 12:37:48
0000-00-00 00:00:00
2003
0
0
Str. 412-415
št. 12
Let. 55
2003
0000-00-00
NiDoloceno
NiDoloceno
NiDoloceno
0000-00-00
0000-00-00
0000-00-00
630
0024-1067
1120137
13940224
gricar-dif_traheid-Les2003.pdf
gricar-dif_traheid-Les2003.pdf
1
B23ECBA341C61EC424945FE6A88E6ACA
65f82f1a5dd03bc533ef238a81ff6b9df2cf44bb4e0f47c90901ad00c4375c58
5fdfe6af-a1b3-11eb-a523-00155dcfd717
20.500.12556/rul/415bb586-c211-455f-8190-bf93aa6fdc73
https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=100710
Biotehniška fakulteta
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