Laboratory evaluation of six formulations of spinosad in an effort to ...

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Table 4. Mean percentage mortality of grasshoppers treated with selected diluent mixes of diflubenzuron near Edgemont, South Dakota, 2008. Days after treatment – mean % mortality 1 Treatment 7 14 21 Dimilin InPlace low rate Dimilin InPlace high rate 73 a 90 a 94 a 74 a 96 a 95 a Dimilin standard 77 a 93 a 91 a Untreated -8 b -21 b -9 b 1 A one-way analysis of variance was conducted on the primary data. Means in a column followed by the same letter are not significantly different (P ≤ 0.05) as determined by the Tukey HSD multiple comparison test. Table 5. Mean percentage mortality of grasshoppers (adjusted for natural mortality) treated with selected diluent mixes of diflubenzuron near Edgemont, South Dakota, 2008. Days after treatment – mean % mortality 1 Treatment 7 14 21 Dimilin InPlace low rate Dimilin InPlace high rate 75 a 91 b 95 a 79 a 97 a 95 a Dimilin standard 77 a 95 ab 91 a 1 A one-way analysis of variance was conducted on the adjusted data. Means in a column followed by the same letter are not significantly different (P ≤ 0.05) as determined by the Tukey HSD multiple comparison test. 11
Figure 1. Aerial application of selected experimental mixes of Dimilin and diluents for control of grasshoppers on rangeland near Edgemont, South Dakota, 2008. Temperature o F 120 100 80 60 40 20 Minimum Maximum Precipitation 0 6/20 6/24 6/28 7/2 7/6 7/10 7/14 2008 Figure 2. Minimum and maximum temperatures and precipitation recorded at the study area near Edgemont, South Dakota, 2008. 12 0.60 0.50 0.40 0.30 0.20 0.10 0.00 Precipitation (inches)
Page 1 and 2: Laboratory evaluation of six modifi
Page 3 and 4: Spinosad works by contact and inges
Page 5 and 6: Approximately two weeks into the st
Page 7 and 8: Figure 2. Treated grass pots placed
Page 9 and 10: Mean % mortality 100 80 60 40 20 0
Page 17 and 18: treatment of rangeland with diflube
Page 19 and 20: Conclusions Effective levels of con
Page 21 and 22: Figure 2. Fourth instar Ageneotetti
Page 24 and 25: August, 2008 Replacing traditional
Page 26 and 27: Materials and Methods StudySite The
Page 28 and 29: An analysis of variance was perform
Page 30 and 31: References Connin, R. V. and L. C.
Page 32 and 33: Table 2. Meteorological conditions
Page 36 and 37: Figure 3. One of forty 0.1 m 2 ring
Page 38 and 39: Introduction Various baits (carrier
Page 40 and 41: treatments, grasshoppers in all cag
Page 42 and 43: Conover, W.J. and R.L. Iman. 1981.
Page 44 and 45: Figure 1. Bucket cage used in evalu
Page 46 and 47: Figure 5. Monitoring bucket cages u

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