Table 1.
Summary of the reported effects of external nutrient application on AR formation in stem cuttings
| Mineral element | Supplied form | Plant species | Reported effect | Reference |
|---|---|---|---|---|
| N | NaNO3 NH4Cl |
Eucalyptus globulus Labill. Eucalyptus globulus Labill. |
Increased rooting percentage, AR number and length Decreased AR number and length |
Schwambach et al. (2005, 2015) Schwambach et al. (2005) |
| Glutamic acid | Eucalyptus globulus Labill. | Increased AR number and decreased AR length | Schwambach et. al. (2005) | |
| (NH4)2SO4 | Petunia hybrida Vilm. | Increased AR initiation and enhanced meristematic cell division | Hilo et al. (2017) | |
| Arginine Ornithine Glutamic acid |
Malus domestica L. | Increased rooting percentage and AR number | Orlikowska (1992) | |
| K | KCl |
Cucumis sativus L. Phaseolus radiatus L. P. vulgaris L. |
Increased AR number | Zhao et al. (1991) |
| Ca | CaCl2 | Pisum sativum L. | Increased AR elongation | Eliasson (1978) |
| B | H3BO3 + IBA | Phaseolus aureus Roxb. | Increased AR number and length | Middleton et al. (1978) |
| H3BO3 | Helianthus annuus L. | Increased initiation of ARs and meristematic activity | Josten and Kutchera (1999) | |
| Fe | FeEDDHA | Prunus amygdalus×P. persica | Increased rooting percentage, AR number and length | Molassiotis et al. (2003) |
| FeEDDHA | Petunia hybrida Vilm. | Increased AR initiation and enhanced meristematic cell division | Hilo et al. (2017) | |
| Zn | ZnSO4 + NAA | Mangifera indica L. | Increased rooting percentage, AR number and total AR length | Yamashita et al. (2006) |
| Zinc ammonium acetate | Physocarpus opulifolius (L.) Maxim. | Increased rooting percentage, rooting quality and stem elongation | Pacholczak and Szydło (2008) |