Performance of micropropagated plants of silver birch (Betula pendula) in a field trial.
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چکیده
منابع مشابه
Micropropagated Silver Birches (Betula pendula) in the Field – Performance and Clonal Differences
Micropropagated and seed-born silver birches (Betula pendula Roth) were compared for survival, height growth and occurrence of biotic damage (voles, hares, mooses, stem lesions and cankers) in fi eld trials in southern Finland. The material consisted of 11 clones and 10 different lots of seedlings growing in 10 fi eld trials, established in clearcut forest cultivation areas. The plants were 6–7...
متن کاملGenetic transformation of silver birch (Betula pendula) by particle bombardment.
We used in vitro callus and shoot cultures as target material for genetic transformation of silver birch (Betula pendula Roth) by particle bombardment. Cultivation of in vitro shoot cultures before particle bombardment and a long selection period, combined with a high concentration of selective agent after bombardment, led to the production of transformed plantlets that were stable, and no esca...
متن کاملLeaf senescence in silver birch (Betula pendula Roth)
Academic dissertation To be presented for public criticism, with permission of the
متن کاملExpression of senescence-associated genes in the leaves of silver birch (Betula pendula).
Development was monitored throughout the entire life span of silver birch (Betula pendula Roth.) leaves. The focus was on senescence-related changes in photosynthesis and gene expression. The youngest fully developed leaves were compared with older senescing leaves in two silver birch lines: the wild-type line R and a late-senescing line R3.1. Line R3.1 was found among transgenic lines produced...
متن کاملSeasonal and within-stem variations of neutral lipids in silver birch (Betula pendula) wood.
Neutral lipids were analyzed in stem wood of a 7-year-old clone and in five 35-70-year-old mature trees of silver birch (Betula pendula Roth). In young trees and in mature wood of old trees, the free fatty acid fraction comprised less than 5% of the concentration of triacylglycerols (TG). The concentration of free linoleic acid was lowest in March when the young trees were dormant and highest d...
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ژورنال
عنوان ژورنال: Silva Fennica
سال: 1994
ISSN: 2242-4075
DOI: 10.14214/sf.a9181