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Makroskopske in mikroskopske razlike med zavrtim poganjkom in sledjo iglic v lesu nekaterih iglavcev : diplomsko delo : visokošolski strokovni študij = Macroscopic and microscopic differences between suppressed buds and needle traces in wood of some conifers : graduation thesis : higher professional studiesMože, RobertPri jelki (Abies alba Mill.), navadni smreki (Picea abies (L.) Karst.) in rdečem boru (Pinus sylvestris L.) smo proučevali makroskopsko in mikroskopsko zgradbo zavrtih poganjkov in sledi iglic. ... Izbrali smo po 2 drevesi jelke, navadne smreke in rdečega bora. Izmerili smo premer dreves, višino dreves, in višino na kateri so se pojavili prvi zavrti poganjki in sledi iglic. Drevesa smo razžagali na kolute in nato izrezali vzorčke za izdelavo preparatov. Pripravili smo tkivne rezine preiskovanih tkiv v vseh 3 ksilotomskih ravninah in jih obarvali z barviloma safranin in astro modro. Slike smo izdelali s pomočjo svetlobnega mikroskopa Nikon Eclipse E800 in računalnika. Ugotovili smo, da pri jelki in navadni smreki obstajajo makroskopske in mikroskopske razlike med zavrtimi poganjki in sledmi iglic, pri rdečem boru pa teh razlik ni. Sledi iglic in zavrti poganjki pri navadni smreki in jelki ter kratki poganjki pri rdečem boru potekajo pravokotno na letnice. Pri jelki in navadni smreki je mogoče sled iglic in zavrtih poganjkov najenostavneje razlikovati na osnovi anatomskih posebnosti v skorji; na konceh zavrtih poganjkov se nahajajo celice, ki imajo meristemski karakter, pri sledeh iglic pa teh tkiv ni. Pri jelki in navadni smreki sestavljajo sled zavrtih poganjkov radialno usmerjene traheide z debelimi stenami, ki imajo helikalne odebelitve. Ta vaskularni pramen obdajajo celice, ki imajo nelignificirano lesno tkivo.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [R. Može], 2007Language - slovenianCOBISS.SI-ID - 1565833
Author
Može, Robert
Other authors
Oven, Primož |
Čufar, Katarina
Topics
zavrti poganjki |
sledi iglic |
anatomija lesa |
jelka |
Abies alba |
navadna smreka |
Picea abies |
rdeči bor |
Pinus sylvestris |
suppresed buds |
needle traces |
anatomy of wood |
silver fir |
Norway spruce |
Scots pine
Library/institution |
City | Acronym | For loan | Other holdings |
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BF, Department of Wood Science and Technology, Lj. | Ljubljana | BFLES |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Može, Robert | |
Oven, Primož | 11223 |
Čufar, Katarina | 02937 |
Source: Personal bibliographies
and: SICRIS
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