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. 2005 Apr;3(2):173–211. doi: 10.2201/nonlin.003.02.002

TABLE 3.

Effect of root exudates of two cultivars of Triticum aestivum (TRZAX) on the root length of Sinapis alba under different light intensities

Light Intensity [μE/m2/s] ED50 [Plants/Pot]
TRZAX cv. Moldau TRZAX cv. Petrus
300 (100%) 5.8 (5.0–6.7) 8.3 (6.5–10.3)
150 (50%) 8.0 (6.3–9.6) 10.6 (9.1–12.1)
R 1.4 1.3

ED50 = plant density causing 50% reduction in root growth; asymptotic 95% confidence interval in parentheses; R = relative potency for ED50.