Table 1.

Various sites of ROS production and their role in growth and development of plants.

	Sources	Cellular localization	Developmental process	Reference
ROS
${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$ and H2O2	Electron transport chain	Mitochondria	Seed germination	Moller, 2001; Noctor et al., 2007
${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$ and H2O2	Fatty acid oxidation	Glyoxysome	Seed germination	Huang et al., 1983
H2O2	NADPH oxidase	Plasma membrane	Seed germination	Ishibashi et al., 2010
H2O2		Peroxisome	Seed germination	Palma et al., 2009
${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$ and H2O2	NADPH oxidase	Plasma membrane	Root growth and root hair development	Foreman et al., 2003
H2O2 and ${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$	NADPH Oxidases	Plasma membrane	Pollen tubes growth	Cárdenas et al., 2006
H2O2	Class III peroxidases	Cell wall	Leaf development	Lu et al., 2014
dPCD
${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$ and H2O2	Electron transport Chain, NADPH oxidase	Mitochondria, Plasma membrane	Self-incompatibility in pollen	Wang and Zhang, 2011; Wang et al., 2013
${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$ and H2O2	NADPH oxidase	Plasma membrane	Synergid cells dPCD	Duan et al., 2010, 2014
H2O2	NADPH oxidase	Plasma membrane	Tapetal dPCD	Xie et al., 2014
${\mathrm{O}}_{\mathrm{2}}^{\mathrm{•–}}$ and H2O2	NADPH oxidase	Plasma membrane	Formation of lysigenous aerenchyma	Rajhi et al., 2011
H2O2	NADPH oxidase	Plasma membrane	Secondary wall formation (lignification)	Potikha et al., 1999
H2O2	Electron transport chain	Chloroplast	Leaf senescence	Chen et al., 2012
H2O2		Peroxisome	Leaf senescence	Palma et al., 2009