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Table 3 Test results with the reference substance azadirachtin

From: A new ecotoxicological test method for genetically modified plants and other stressors in soil with the black fungus gnat Bradysia impatiens (Diptera): current status of test development and dietary effects of azadirachtin on larval development and emergence rate

Test Emergence rate Development time %MDD
CV in SC [%] NOEC LOEC EC50 (95% CI) CV in SC [%] NOEC LOEC EC10 (95% CI)
RFT 5.2 25 125 160 (132–188) 2.7 25 125 6.19 (0–36.5) 10.5–11.2
CRT1 10.0 74 148 565 (413–717) 3.1 < 37 ≤ 37 79.5 (78.8–238) 4.0–4.2
CRT2 22.5 < 37 ≤ 37 88.6 (72.3–105) 4.8 < 37 ≤ 37 18.7 (7.60–29.9) 5.7–6.1
  1. RFT range-finding test, CRT concentration–response test, CV coefficient of variation, SC solvent control, NOEC no-observed-effect concentration, LOEC lowest-observed-effect concentration, ECx X % effective concentration, CI confidence interval, MDD minimum detectable difference