“…Specifically, blue LED light was found to promote stem or leaf elongation in eggplants [ 23 , 24 ], cherry tomatoes [ 25 ], cucumber [ 26 , 27 ], watermelon [ 28 ], sesame [ 29 ], arugula [ 30 , 31 , 32 , 33 , 34 , 35 , 36 ], kale [ 30 , 32 , 33 , 34 ], cabbage [ 30 , 32 , 33 , 34 , 37 ], sunflowers [ 16 , 38 ], peas [ 39 ], calibrachoa [ 19 , 40 , 41 , 42 , 43 ], petunias [ 17 , 21 , 22 , 40 , 41 , 42 , 43 , 44 ], marigolds [ 18 , 40 , 42 , 43 ], geraniums [ 40 , 42 , 43 ], tulips [ 45 ], and wild Arabidopsis [ 46 , 47 , 48 ], compared to red LED light ( Table 1 ). On the other hand, blue LED light was observed to inhibit stem or leaf elongation in l...…”