H. Katonoguchi et al., A GROWTH INHIBITOR, R-(-)-3-HYDROXY-BETA-IONONE, FROM LIGHT-GROWN SHOOTS OF A DWARF CULTIVAR OF PHASEOLUS-VULGARIS, Phytochemistry, 33(3), 1993, pp. 553-555
A growth inhibitor which might be involved in light-induced growth inh
ibition of bean hypocotyl was isolated from light-grown dwarf bean sho
ots (Phaseolus vulgaris cv Morocco) and its structure was determined b
y spectral data as R-(-)-3-hydroxy-beta-ionone. It inhibited the growt
h of hypocotyls of lettuce seedlings and hypocotyl segments of dwarf b
ean seedlings at concentrations greater than 0.03 muM, and its inhibit
ory activity was higher than ABA.