Table 2 Experimental treatments and total treatment combinations.

From: Red light and biostimulants containing arbuscular mycorrhizal fungi enhance ajmalicine and serpentine production in Catharanthus roseus under indoor conditions

Ta

Sb

PPFDc

LSd

BSTe

TTCf

W (control)

LED extended white

Combo 150 W (C-LED)

150

White light

(W; R = 49,6%, G = 35.5%, B = 13.2%)

NO

W:NO

W + BS

YES

W:YES

R

LED red combo

150 W (C-LED)

Red light (R, 658 nm)

NO

R:NO

R + BS

YES

R:YES

B

LED blue toplight

150 W (C-LED)

Blue light (B, 446 nm)

NO

B:NO

B + BS

YES

B:YES

RB

LED Hortis Toplight

150 W (C-LED)

Mixture of R and B (6:1)

NO

RB:NO

RB + BS

YES

RB:YES

  1. aT:Experimental treatments, bS: Light source, cPPFD: photosynthetic photon flux density (μmol m-2 s-1), dLS: Light spectrum, eBST: AFM-containing biostimulant treatment, fTTC: total treatment combinations.