Table 1.

Application of the wavelength selection algorithms.

Sensors	Crop diseases/pests	Wavelength selection algorithms	Selected EWs (nm)	References
Hyperspectral cameras	Wheat powdery mildew	CARS	450, 560, 650, 730, 860	(Song et al., 2022)
Hyperspectral cameras	Aphid density of winter wheat	T-test	491, 617, 750, 1690	(Luo et al., 2013)
Hyperspectral cameras	Rice canopy infested with brown spot disease	GAPLS	822, 738, 793, 402, 570, 753	(Zhao et al., 2012)
Hyperspectral cameras	Strawberry anthracnose and gray mold	Random forest (RF)	822.93, 775.55, 783.26, 807.49, 890.28, 829.55,	(Jiang et al., 2021)
Hyperspectral cameras	The blight diseases of tomato leaves	SPA	442, 508, 573, 696, 715	(Xie et al., 2015)
Hyperspectral cameras	The gray mold disease of tomato leaves	T-test	655, 746, 756	(Xie C. et al., 2017)