Application timing

Photosynthesis

Chl a

Chl b

Chl a and b

Carotenoids

μmol CO₂ m⁻²∙s⁻¹

————µg·cm⁻²———

Untreated check

31.7A

29.61A

17.29A

46.91A

8.76 A

0 DAT

25.0B

26.81C

15.00B

41.81C

7.81B

5 DAT

25.6B

27.84B

15.62B

43.45B

8.32B

10 DAT

27.8AB

29.49A

17.13A

46.62A

8.71A