TABLE 2.

Enhancement of abiotic stress tolerance and anti-aging capacity of plants after application of algae.

Objective	Group	Algae species	Plant	Treatment	Product applied	Plant response	References
Abiotic stress tolerance	Cyanobacteria	Scytonema hofmanni	Rice	Soil application	Extracellular products	Salt stress tolerance	Rodríguez et al., 2006
	Eukaryotic microalgae	Chlorella ellipsoida	Wheat	Soil application	Water soluble extract	Enhanced salt tolerance and antioxidant capacity	Abd El-Baky et al., 2010
		Chlorella vulgaris	Vicia faba L.	Foliar application	Cell culture	Enhanced reactive oxygen species (ROS) production and more effective stomatal closure and water use efficiency	Li et al., 2014
		Dunaliella salina	Tomato	Foliar application	Polysaccharides	Salt stress tolerance	Arroussi et al., 2018
Anti-aging	Eukaryotic microalgae	C. vulgaris	Strawberry, lettuce, beet, and kale	Foliar or soil application	Cell culture	Improved shelf-life	Kim et al., 2014
		Chlorella fusca and Chlorella strains ABC001 and HS2	Erinus alpinus L.	Soil application	Cell-free supernatant	Delayed plant senescence	Lee et al., 2020b