Table 1

Toxicity of fatty acids of soybean plant against Panonychus citri in two application methods. All units are used in percentage V/V.

Treatments Leaf dip method

  LC30 (95% CI) LC50 (95% CI) LC90 (95% CI) Slope ± SE Z 2 (df=3) P1 P2
Palmitic acid 0.137 (0.003-0.309) 0.861 (0.208-1.748) 76.205 (11.008-539200188.2) 0.658 ± 0.248 2.656 0.437 0.008 0.933
Oleic Acid 0.193 (0.023-0.374) 0.949 (0.507-4.200) 46.831 (7.483-203445.94) 0.757 ± 0.251 3.019 0.282 0.003 0.963
Stearic acid 0.180 (0.058-0.302) 0.564 (0.345-0.974) 9.224 (3.379-174.164) 1.056 ± 0.256 4.118 1.306 0 0.728
Soybean oil 0.025 (0.013-0.035) 0.051(0.037-0.077) 0.298(0.156-1.421) 1.676 ± 0.376 4.454 0.294 0 0.863
Topical spray method
Palmitic acid 0.667 (0.082-191865.849) 11.922 (2.231-2.078E+46) 2008.321 (32.566-4.743E+195) 0.519 ± 0.260 1.996 0.045 0.046 0.997
Oleic Acid 0.465 5.336 2070.177 0.495 ± 0.255 1.941 0.885 0.052 0.829
Stearic acid 0.442 (0.364-0.526) 1.464(1.178-1.941) 27.361(6.890-1916.773) 1.008 ± 0.268 3.762 1.369 0 0.713
Soybean oil 0.031 (0.015-0.046) 0.074 (0.050-0.155) 0.615 (0.239-11.449) 1.389±0.373 3.725 0.755 0 0.685

Note: The concentrations were obtained using 2%, 1%, 0.5%, 0.25%, and 0.125% solutions except 0.12%, 0.06%, 0.03%, and 0.0125% for Soyabean Oil.

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