High-resolution spectral information enables phenotyping of leaf epicuticular wax in wheat

Table 2 Broad band vegetation indices for phenotyping specific traits in plants

Broad band VI	Abbreviation	Formula	Reference
Violet wavelength	VIO	\({\rho }_{400} / {\rho }_{451}\)
Blue wavelength	BL	\({\rho }_{454} to {\rho }_{496}\)
Green wavelength	GR	\({\rho }_{499} to {\rho }_{517}\)
Yellow wavelength	YW	\({\rho }_{574} to {\rho }_{589}\)
Orange wavelength	OR	\({\rho }_{592} to {\rho }_{619}\)
Red wavelength	RED	\({\rho }_{622} to {\rho }_{748}\)
Red-edge wavelength	RE	\({\rho }_{691} to {\rho }_{730}\)
Near infrared wavelength	NIR	\({\rho }_{751} to {\rho }_{997}\)
Normalized difference vegetation index	NDVI	\((NIR-Red) / (NIR+Red)\)	[48]
Simple ratio index	SR	\(NIR / Red\)	[47]
Green normalized difference vegetation index	NDVI-green	\((NIR-Green) / (NIR+Green)\)	[79]
Modified simple ratio	MSR	\(Red/{ (NIR/Red+1)}^{0.5}\)	[80]
Renormalized difference vegetation index	RDVI	\((NIR-Red) / {(NIR+Red)}^{0.5}\)	[81]
Red-green vegetation index	RGRI	\(Red-Green\)	[82]
Ratio vegetation index	RVI	\(Red / NIR\)	[76]
Difference vegetation index	DVI	\(NIR-Red\)	[83]
SR & NDVI	SR-NDVI	\(({NIR}^{2}-Red) / (NIR+{Red}^{2})\)	[53]
NDVI-Red-edge	NDVI-RE	\((NIR-{Red}_{edge}) / (NIR+{Red}_{edge})\)	[76]
Red_edge chlorophyll index	CI-Red_edge	\((NIR / {Red}_{edge})-1\)	[76]
Anthocyanin reflectance index	ARI-1	\((1/Green) / (1/{Red}_{edge})\)	[76]
Modified Anthocyanins reflectance index	mARI	\(\left(1/Green\right) / \left(1/{Red}_{edge}\right)*NIR\)	[76]
Anthocyanin reflectance index	ARI-2	\(Green / NIR\)	(76)

ISSN: 1746-4811