Table 1.

The functions of melatonin in plant stress responses.

Plant species	Stress responses	Melatonin treatment or transgenic plants	References
Arabidopsis	Cold stress	Melatonin treatment	Bajwa et al., 2014; Shi and Chan, 2014
Arabidopsis	Disease resistance against Pseudomonas syringe pv. tomato	Melatonin treatment and transgenic plants	Lee et al., 2014, 2015; Lee and Back, 2016; Qian et al., 2015; Shi et al., 2015a,c, 2016; Zhao et al., 2015a
Arabidopsis	Leaf senescence	Melatonin treatment	Shi et al., 2015d
Arabidopsis	Thermotolerance	Melatonin treatment	Shi et al., 2015e
Arabidopsis	Salt and drought stresses	Melatonin treatment	Shi et al., 2015c
Arabidopsis	Oxidative stress	Melatonin treatment	Weeda et al., 2014; Wang et al., 2015
Bermudagrass	Salt, drought and cold stresses	Melatonin treatment	Shi et al., 2015b
Bermudagrass	Oxidative stress	Melatonin treatment	Shi et al., 2015f
Nicotiana benthamiana	Disease resistance against Pseudomonas syringe pv. Tomato	Melatonin treatment	Lee et al., 2014
Lupinus albus	Disease resistance to fungal infection (Penicillium spp.)	Melatonin treatment	Arnao and Hernández-Ruiz, 2015
Rice	Salt and cold stresses	Transgenic plants	Kang et al., 2010; Byeon and Back, 2016
Rice	Herbicide-induced oxidative stress	Transgenic plants	Park et al., 2013
Rice	Cadmium stress	Transgenic plants	Byeon et al., 2015
Rice	Leaf senescence and salt stress	Melatonin treatment	Liang et al., 2015
Malus	Disease resistance to Marssonina apple blotch	Melatonin treatment	Yin et al., 2013
Malus	Salt stress	Melatonin treatment	Li et al., 2012
Malus	Drought stress	Melatonin treatment	Li et al., 2015
Malus	Senescence	Melatonin treatment	Wang et al., 2012, 2013; Wang P. et al., 2014
Cucumber	Chilling stress	Melatonin treatment	Posmyk et al., 2009a
Cucumber	Salt stress	Melatonin treatment	Zhang H. J. et al., 2014
Cucumber	Drought stress	Melatonin treatment	Zhang N. et al., 2014
Red cabbage	Copper ion	Melatonin treatment	Posmyk et al., 2008, 2009b
Tomato	Drought stress	Transgenic plants	Wang L. et al., 2014