Comparison of endogenous gibberellins in roots and shoots of elongating Salix pentandra seedlings
Corresponding Author
J. E. Olsen
Dept of Forest Genetics and Plant Physiology, Swedish Univ. of Agricultural Sciences, S-901 83 Umea, Sweden
J. E. Olsen, permanent adress: Dept of Foresty. Agricultural Univ. of Norway. N-1432 As. Norway
J. E. Olsen (corresponding author)Search for more papers by this authorT. Moritz
Dept of Forest Genetics and Plant Physiology, Swedish Univ. of Agricultural Sciences, S-901 83 Umea, Sweden
Search for more papers by this authorE. Jensen
Dept of Plant Physiology and Microbiology, IBG. Univ. of Tromsø, N-9037 Tromsø, Norway
Search for more papers by this authorO. Junttila
Dept of Plant Physiology and Microbiology, IBG. Univ. of Tromsø, N-9037 Tromsø, Norway
Search for more papers by this authorCorresponding Author
J. E. Olsen
Dept of Forest Genetics and Plant Physiology, Swedish Univ. of Agricultural Sciences, S-901 83 Umea, Sweden
J. E. Olsen, permanent adress: Dept of Foresty. Agricultural Univ. of Norway. N-1432 As. Norway
J. E. Olsen (corresponding author)Search for more papers by this authorT. Moritz
Dept of Forest Genetics and Plant Physiology, Swedish Univ. of Agricultural Sciences, S-901 83 Umea, Sweden
Search for more papers by this authorE. Jensen
Dept of Plant Physiology and Microbiology, IBG. Univ. of Tromsø, N-9037 Tromsø, Norway
Search for more papers by this authorO. Junttila
Dept of Plant Physiology and Microbiology, IBG. Univ. of Tromsø, N-9037 Tromsø, Norway
Search for more papers by this authorAbstract
Gibberellins GA1, GA8. GA19. GA29. GA20 and GA56 (2-epi-GA8). were identified by combined gas chromatography-mass spectrometry in root extracts of elongating Salix pentandra L. seedlings. The presence of GA8 was also demonstrated for the first time in S. pentandra shoots. The levels of GA1, GA8, GA19, GA20 in shoot tissue and in roots were estimated by selected ion monitoring. While the amounts of GA8 and GA19 were similar in both plant parts. the levels of the biologically active GA1 and its immediate precursor GA20. were found to be much lower in roots than in shoots.
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