Figure 5.
Effects of Si application and Pga inoculation on photosynthetic pigment content of oat leaves. (A), chlorophyll a (Chla); (B), chlorophyll b (Chlb); (C), chlorophyll a+b (Chla+Chlb); (D), total carotenoids (Car). CK, no Si application and no Pga inoculation; +Si-P, 1.5 mmol·L–1 Si application and no Pga inoculation; -Si+P, no Si application and Pga inoculation; +Si+P, 1.5 mmol·L–1 Si application and Pga inoculation.
