Field performance of Salix clones propagated via shoot cultures in vitro - field trial with micropropagated willows
1990
Groenroos, L. (Uppsala Univ. (Sweden). Inst. foer Fysiologisk Botanik) | Hardner, C. | Gullberg, U. | Arnold, S. von
Survival, growth, plant structure and insect damage of in vitro-derived cuttings from two Salix-clones (S. schwerinii and S. viminalis) were compared in a field trial with performance of conventional cuttings of the same clones. No obvious morphological abnormalities were induced by in vitro treatment. The survival rate of in vitro-derived cuttings of the S. schwerinii clone was much higher than that of conventional cuttings. In the S. viminalis clone, height growth was slightly but significantly reduced for in vitro-derived cuttings compared with conventional cuttings although stem basal area and estimated plant dry weight were unaffected. The number of stems per cutting, the number of side shoots per stem and gall midge damage did not appear to be affected by the type of cutting. Electrophoretic analysis of 12 enzyme systems revealed identical isozyme patterns for in vitro-derived and conventionally propagated plants.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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