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When Should IPM be Implemented?
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Sampling IntentionSampling Intention
• Absolute NumbersAbsolute Numbers
• Relative NumbersRelative Numbers
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-Sampling from air
Sampling MethodsSampling Methods
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Sampling MethodsSampling Methods
Sampling from vegetationSampling from vegetation
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Sampling MethodsSampling Methods
Sampling from soil and litter Sampling from soil and litter
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Extracting Samples FromThe Soil or from Leaf Litter
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Mark and Recapture
• Lincoln Index
P=an/r
P: Total population size
a: Individuals marked and released
n: Total individuals taken in recapture sample
r: Marked individuals recaptured
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Sampling MethodsSampling Methods
Visual searches Visual searches
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Sampling MethodsSampling Methods
Sweep-net catch Sweep-net catch
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Shaking and beatingShaking and beating
Sampling MethodsSampling Methods
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Sampling MethodsSampling Methods
D-vacD-vac
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Sampling Methods
Malaise traps
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Sampling MethodsSampling Methods
Windowpane trapsWindowpane traps
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Sampling MethodsSampling Methods
Sticky trapsSticky traps
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Sampling MethodsSampling Methods
Pitfall trapsPitfall traps
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Sampling MethodsSampling Methods
Visual trapsVisual traps
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Sampling MethodsSampling Methods
Traps using attractantsTraps using attractants
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Sampling MethodsSampling Methods
Insect ProductsInsect Products
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Sampling MethodsSampling Methods
• Plant DamagePlant Damage
- Direct pestsDirect pests
- Indirect pestIndirect pest
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Direct PestsDirect Pests
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Indirect PestsIndirect Pests
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Measuring leaf damageMeasuring leaf damage
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• Decision-making sampling
• Parameter-estimation
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UniformUniform
ClumpedClumped
RandomRandom
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When to Apply a Control Action?When to Apply a Control Action?
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Next Class…Next Class…