Increasing Nutrient Solution pH Alleviated Aluminum-Induced Inhibition of Growth and Impairment of Photosynthetic Electron Transport Chain in Citrus sinensis Seedlings

Figure 10

PCA loading plots of all physiological parameters for the (a) 0 and (b) 1 mM Al-treated C. sinensis seedlings submitted to pH 2.5, 3.0, 3.5, and 4.0.

(a) 0 mM Al-treated seedlings

(b) 1 mM Al-treated seedlings