Most popular articles
Everything About Peaches. Clemson University Cooperative Extension Service Everything About Peaches Website: whether you are a professional or backyard peach...
Mission Statement. For the sake of mankind and the world as a whole a further increase of the sustainability...
Newsletter 9: July 2013 - Temperate Fruits in the Tropics and Subtropics. Download your copy of the Working Group Temperate...
USA Walnut varieties. The Walnut Germplasm Collection of the University of California, Davis (USA). A description of the Collection and a History...
China Walnut varieties.

Articles

ISOFLAVONOID CONJUGATES AND THEIR RESPONSE TO DEVELOPMENTAL CHANGE AND ABIOTIC STRESS IN ALFALFA (MEDICAGO SATIVA L).

Article number
381_26
Pages
227 – 234
Language
Abstract
An isoflavonoid identified as formononetin and the pterocarpan phytoalexin medicarpin occur as their respective O-glucoside-6″-O-malonates, FGM and MGM, in healthy alfalfa plants together with lesser amounts of a conjugate of coumestrol (CG). All conjugates occur predominantly in the roots and accumulate with age.
Mature plants which have not been nodulated contain higher levels of FGM in the roots than do the roots of nodulated plants.
Under normal conditions foliage contains very low concentrations of CG, FGM and MGM. However the conjugates accumulated in the foliage of seedlings when fed with CuCl2 at low concentrations (50μM) through the petiole.
Increasing copper concentrations inhibited accumulation of the conjugates but not the aglycones.
In whole seedling experiments this effect was more pronounced with copper treatment resulting in the inhibition and differential turnover of MGM and FGM in the root.

Publication
Authors
S.A. Tiller, A.D. Parry, R. Edwards
Keywords
Full text
Online Articles (122)
A.M. Zobel | E. Schnug | M. Wronka | T. Tykarska | M. Kuras | S. Lewak
H.U. Seitz | M. Bach | S. Richter | J.-P. Schnitzler | D.E. Steimle
H. Eckey-Kaltenbach | D. Ernst | W. Heller | H. Sandermann Jr
A. Claudot | L. Jouanin | D. Ernst | H. Sandermann | A. Drouet
R. Edwards | A.D. Parry | A.C.E. Gregory | S.A. Tiller | T.J. Daniell
K. Niehaus | D. Kapp | J. Lorenzen | P. Meyer-Gattermann | S. Sieben | A. Pühler
B. Politycka | D. Wójcik-Wojtkowiak
Erich F. Elstner | W. Oßwald | R. Volpert | H. Schempp
K. Takeda | Y. Tochika | R. Fukazawa | T. Mori
P. Meuwly | W. Mölders | K. Summermatter | L. Sticher | J.-P. Métraux
M.G. Campos | C. Lourenço | A. Cunha | A. Rauter
J.P. SCHNITZLER | T.P. JUNGBLUT | W. HELLER | C. LANGEBARTELS | M. KÖFFERLEIN | H. SANDERMANN Jr
T.P. Jungblut | W. Heller | N. Hertkorn | J. Lintelmann | H. Sandermann Jr
S. Fünfgelder | U. Mayr | D. Treutter | W. Feucht
P. Bärbel Menden | C. Kaum | M. Bruno Moerschbacher
C. Löffler | A. Sahm | F.-C. Czygan | P. Proksch | V. Wray
D. Bell-Lelong | Larry G. Butler | G. Ejeta | D. Hess
R.J. Grayer | J.B. Harborne | F.M. Kimmins | P.C. Stevenson | H.N.P. Wijayagunasekera
G.H. DAI | C. ANDARY | L. COSSON-MONDOLOT | D. BOUBALS