© Benaki Phytopathological Institute
Radwan
et al.
30
Treatments
Exposure times
Egg hatching inhibition (days)
J
2
Juvenile mortality (hrs)
3 days
24 hrs
LC
50
(mg/l)
Fiducial Limits
(Lower – Upper) Slop ± variance Regression equation
LC
50
(mg/l)
Fiducial Limits
(Lower – Upper)
Slop ± variance Regression equation
ABM 24.61
(21.18 - 28.57)
1.43 ± 0.006 Y = -1.99 + 143 X
36.64
(31.50 - 42.60)
1.28 ± 0.01
Y = -2.00 + 1.28 X
EMB
47.97
(41.31- 55.67)
1.19 ± 0.006 Y = - 2.00 + 1.19 X
111.62
(94.98 - 131.28)
1.41 ± 0.02
Y = -2.88 + 1.41X
SPI
487.46 (425.95 - 557.70)
1.23 ± 0.008 Y = -3.40 + 1.22 X 2558.07
(1966.31 - 3331.8)
1.12 ± 0.01
Y = -3.82 + 1.12 X
SPIT
629.53 (563.36 - 703.37)
1.14 ± 0.004 Y = -3.19 + 1.14 X
3077.10
(2099.84 - 4518.96)
1.02 ± 0.01
Y = -3.57 + 1.02 X
7 days
48 hrs
ABM 46.89
(41.77 - 52.62)
1.17 ± 0.003 Y = -1.95 + 1.17 X
22.89
(19.21 - 27.22)
1.36 ± 0.01
Y = -1.85 + 1.36 X
EMB
83.09
(72.16 - 95.65)
0.88 ± 0.004 Y = - 1.70 + 0.88 X
79.03
(69.13 - 90.35)
1.5 ± 0.02
Y = -2.84 + 1.50 X
SPI
635.66 (566.50 - 713.17)
1.17 ± 0.007 Y = -2.91 + 1.01 X
1611.27
(1296.81 -2003.44)
1.04 ± 0.01
Y = -3.33 + 1.04 X
SPIT
781.52 (700.45 - 871.89)
1.01 ± 0.003 Y = -2.88 + 1.08 X 2355.52
(1738.75 - 3195.16)
1.09 ± 0.01
Y = -3.69 + 1.09 X
Table 1.
Effect of abamectin (ABM), emamectin (EMB), spinosad (SPI) and spinetoram (SPIT) on egg hatching inhibition and juvenile mortality
of the root-knot nematode
Meloidogyne incognita
at two time intervals.
