Illinois Field Crops Applicator 100% VERIFIED A+ RATED
Illinois Field Crops Applicator 100% VERIFIED A+ RATED An Integrated Pest Management program is based upon - ANS 1.Scouting for pests-understanding pest biology 2.Environmental information-growth stages of field crops ology to prevent unacceptable thresholds of pest damage by most econmomical means-economic threshold of insects, diseases or weeds 4. Lowest possible risk to people , property, resources and environment-socially acceptable control measures When scouting, where in the field should one sample? - ANS mly-avoid borders rows or field edges arly scout at least 1x per week what should be done if scouting detects an important pest but its numbers do not reach the economic threshold? - ANS Do not treat, but scout again after an appropriate time period What is the number of pests that should be controlled to prevent economic damage from occurring? - ANS economic threshold injury = control List factors that are considered in determining an economic injury level, the number of pest where the value of crop loss from these pests equals the cost of controlling them - ANS 1. number of pests or estimate of the amount of damage 2. cost of various treatment options ted yield ted grain value List 3 examples of economic thresholds for some insect pests - ANS 1. black cutworms-3% or more of plants are cut 2. bean leaf beetle-defoliation reaches 30% before bloom 3. Potato leaf hopper-certain number are collected per sweep at a given plant height what types of control measures can be used in an ipm program - ANS 1. mechanical 2. physical 3. biological 4. chemical
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- 27 februari 2024
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illinois field crops applicator
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