Fig. 6From: Inhibition of microbial biofuel production in drought-stressed switchgrass hydrolysatePrincipal component analysis (PCA) of hydrolysate composition data—relationship between principal components 1 and 2. a Hydrolysate batches grouped by plant variety. b Hydrolysate batches grouped by year. c Correlation score graph showing relative effect of each hydrolysate componentBack to article page