Perennial weeds are difficult to control because...
They can reproduce from organs like rhizomes, stolons, tubers
Insect order known to transmit plant
... [Show More] disease
Thysanoptera (Thrips)
Insect order of pests to living plants
Heteroptera (true bugs)
Immature stages of insects
Instars
Insect order that suck juices from plant cells
Homoptera (aphids and whiteflies)
Part of plant nematodes often attack
Roots & underground parts
Plant disorder that cannot be transmitted between plants
Abiotic problems
Ant insect order
Hymenoptera
Insects with chewing mouthparts
Caterpillars
What kind of insect are mites
arthropods
Insects that cause leaf stippling
Mites
Life stages of complete metamorphosis
egg, larva, pupa, adult
Complete elimination of pest species
eradication
Pests that cause damage on a regular basis
Key Pests
Use of preemergence pesticide is an example of
preventive use
Keeping pests below a certain level
pest suppression
example of cultural and mechanical control
Mowing weeds
use of physical barriers
exclusion
Method for controlling rodents
sanitation
Inspecting plants before planting is
preventive control
Removing weeds before seed production is
sanitation
growing plants resistant to insects is
prevention
Pesticide toxicity is measured by its
LD50
Pesticide toxicity
capacity to cause injury
Post-emergent contact herbicide
Causes injury to any part of the plant it touches
Amount of active ingredient in a 20lb bag of 25W formulation
5 lbs of AI
Amount of AI in a 5 Gal. bottle of 4EC formulation
20 lbs
Formulation requiring no further agitation after mixing with water
Soluble powder (SP)
Mode of action
The way a pesticide controls a target organism
Incompatible mixtures
causes clumping or clogging of nozzles
Pesticide hazard
potential to cause injury
Pesticides active in the environment for long periods
persistent
Federal laws regulating manufacturing, sale, transportation and use of pesticides are administered by
US EPA
Statement of practical treatment
first aid instructions
Allowable deviation from label directions
applying lower rate than specified
Required time to keep pesticide use records
2 years
QAC in category B allows people to
use or supervise use of general or restricted use pesticides in turf, landscape, and interiorscape settings
Pest control business license holders must retain use records for
2 years
Maintenance gardener pest control category
allows use of general use and restricted use pesticides incidental to landscape business
When is pest control business license not required
performing pest control incidental to new construction
When performing pest control in landscape maintenance settings, you must give prior notice to
property owners or operators before applying pesticide
Continuing education requirement for QAC
20 hours every 2 years
Most common route of pesticide exposure on workers
dermal (skin)
Formulation with greatest potential for dermal absorption
Oil-soluble formulations
Factors affecting soil-leaching ability of pesticides
chemical nature of pesticide, soil type, pesticide persistence
Beneficials
insect predators and pollinators
Most important factor in drift
wind or air movement
factors contributing to phytotoxicity problem when spraying plants
temperature and humidity during application
PPE requirements are found
on the label
PPE should be cleaned how often
after use
Physical properties section of MSDS informs about
boiling, melting, and freezing points
Maximum distance from application site to store soap, single-use towels, and water
100 feet
Required training categories for pesticide handlers
using pesticides safely, emergencies and health, and general information
First aid for skin exposure
remove contaminated clothing and wash in soap and water [Show Less]