A rapid and simple procedure for purification of indole-3-acetic acid prior to GC-SIM-MS analysis. Effect of simulated shade-light quality on stem anatomy of Pinus contorta seedlings. Foliar penetration of plant growth substances with special reference to fruit trees. The physiological background for regulation of adventitious root formation by the irradiance to stock plants: a hypothesis. A positive correlation between endogenous root inducing cofactor activity in vacuum extracted sap and seasonal changes in rooting of M 26 apple cuttings. Proline accumulation under heavy metal stress. Effect of abscisic acid on endogenous IAA, auxin protector levels and peroxidase activity during adventitious root initiation in Vigna radiata cuttings. Enhanced rooting in cuttings from shoots grown out under reduced light intensity was accompanied by decrease in the contents of total soluble sugars, soluble proteins and free ABA and by increase in total chlorophyll, free amino acids, polyphenolic acids and free IAA contents.Īhmed K., Tartaura H., 2002. Synergistic effect of shading and foliar auxin application can result from the increase in leaf blade area and/or thinner lower epiderm. Positive effects of shading can be ascribed to changes in shoot anatomy, i.e. Etiolation did not improve rhizogenesis in stem cuttings, however, reduction of light intensity by 50% and 96% of the ambient prior to harvest of cuttings affected rooting positively. coggygria cuttings than the NAA application and it enhanced rhizogenesis regardless of the form of auxin application (foliar application to a stock plant or a rooting powder used directly on cuttings) and the amount of light provided to stock plants. The IBA treatment was more suitable for rooting of C. In order to improve vegetative propagation of a difficult to root Cotinus coggygria the stock plants were subjected to: etiolation, shading and spraying with IBA, combined with the application of two commercially available rooting powders.
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