CDFA IPM CORE EXAMS 2026 QUESTIONS AND ANSWERS
SURE A+
✔✔Control method of Cutwork in Grapes? - ✔✔NO chemical effective
Use biocontrol (predators), Weed removal late summer
✔✔Control method of Dagger Nematode in Grapes? - ✔✔Wait 10 years for replanting
Ground Fumigation with Methyl Bromide, Kpam or Telone
✔✔Control method of Eutypa Dieback in Grapes: - ✔✔Prune late in dormant season
Removal of Cankers, make cuts after rain
✔✔Control method of Leafhoppers in Grapes: - ✔✔Biocontrol - Removing basal leaves
✔✔Control method for Pierce's Disease in Grapes? - ✔✔Removal of infected vines -
Chemical treatment
✔✔Control method of Twig & Branch Borer in Grapes: - ✔✔Sanitation/Cultural Controls
Beneficial Nematodes
✔✔Control method of Verticillium Wilt in Grapes: - ✔✔Ground Fumigation
Use resistant varieties
Solarization and Sanitation
✔✔Scenario: Grape grower has allowed his vines to become heavily infested with
Eutypa Dieback to the point where vines are wilting and thick shoots are growing from
lower vines. What would you advise the grower to do? - ✔✔Replace vines with resistant
variety
✔✔Grasses are hard to control with contact herbicides because? - ✔✔The growing
centers are protected underground
✔✔Which life cycle is NOT apart of Green Peach Aphid? - ✔✔EGGS - females
reproduce asexually and give birth to live offfspring
✔✔How long is Hold Order on bee hives? - ✔✔As long as necessary
✔✔Bee inspection report given to beekeeper in how many days? - ✔✔Within 5 days
✔✔How many days of notification are needed for bee movement within a state? - ✔✔5
days in writing
✔✔In order for a beekeeper to appeal a ruling - ✔✔Must take a sample jointly with an
inspector and submit it
, ✔✔How do voles cause orchard damage? - ✔✔gnawing at the base of trees
✔✔How many litters do ground squirrels have? - ✔✔One female with 7-8 young
✔✔Control method of omnivorous leaf roller in Grapes? - ✔✔Biocontrol: lacewings,
spiders
Cultural Control: remove mummy clusters and control weeds. Bury overwintering larvae
by plowing
✔✔Control method of Powdery Mildew in Grapes: - ✔✔Spray with lime sulfur
✔✔What is a key pest? - ✔✔Pest that is managed every year or economic damage will
occur.
✔✔Lacewing lays eggs on what? - ✔✔Tip of stalk, single egg
✔✔Leaf curl and deformation may be caused by which virus? - ✔✔Verticillium wilt
✔✔Lymes disease is transmitted by what? - ✔✔Ticks
✔✔Mexican Beetle belongs to which family? - ✔✔Coccinellidae
✔✔What is the Migratory bird treaty? - ✔✔Allows taking birds which are committing or
about to commit depredation (attacking)
✔✔Most common form of the plague? - ✔✔Bubonic
✔✔The most common injury to on-target vegetation is caused by? - ✔✔Drift
✔✔Most widely spread weed in California is? - ✔✔Yellow Star Thistle
✔✔Birds that are protected by state or federal laws? - ✔✔English Sparrow, Startling
and Pigeon
✔✔Norway rats have been know to carry what? - ✔✔The Plague
✔✔Name two birds that person can kill without permit when found committing or about
to commit depredation upon ag crop? - ✔✔Blackbird and Cowbird
✔✔What are occasional pests? - ✔✔Pest that cause problems once every few years
when environmental conditions favor their development.
SURE A+
✔✔Control method of Cutwork in Grapes? - ✔✔NO chemical effective
Use biocontrol (predators), Weed removal late summer
✔✔Control method of Dagger Nematode in Grapes? - ✔✔Wait 10 years for replanting
Ground Fumigation with Methyl Bromide, Kpam or Telone
✔✔Control method of Eutypa Dieback in Grapes: - ✔✔Prune late in dormant season
Removal of Cankers, make cuts after rain
✔✔Control method of Leafhoppers in Grapes: - ✔✔Biocontrol - Removing basal leaves
✔✔Control method for Pierce's Disease in Grapes? - ✔✔Removal of infected vines -
Chemical treatment
✔✔Control method of Twig & Branch Borer in Grapes: - ✔✔Sanitation/Cultural Controls
Beneficial Nematodes
✔✔Control method of Verticillium Wilt in Grapes: - ✔✔Ground Fumigation
Use resistant varieties
Solarization and Sanitation
✔✔Scenario: Grape grower has allowed his vines to become heavily infested with
Eutypa Dieback to the point where vines are wilting and thick shoots are growing from
lower vines. What would you advise the grower to do? - ✔✔Replace vines with resistant
variety
✔✔Grasses are hard to control with contact herbicides because? - ✔✔The growing
centers are protected underground
✔✔Which life cycle is NOT apart of Green Peach Aphid? - ✔✔EGGS - females
reproduce asexually and give birth to live offfspring
✔✔How long is Hold Order on bee hives? - ✔✔As long as necessary
✔✔Bee inspection report given to beekeeper in how many days? - ✔✔Within 5 days
✔✔How many days of notification are needed for bee movement within a state? - ✔✔5
days in writing
✔✔In order for a beekeeper to appeal a ruling - ✔✔Must take a sample jointly with an
inspector and submit it
, ✔✔How do voles cause orchard damage? - ✔✔gnawing at the base of trees
✔✔How many litters do ground squirrels have? - ✔✔One female with 7-8 young
✔✔Control method of omnivorous leaf roller in Grapes? - ✔✔Biocontrol: lacewings,
spiders
Cultural Control: remove mummy clusters and control weeds. Bury overwintering larvae
by plowing
✔✔Control method of Powdery Mildew in Grapes: - ✔✔Spray with lime sulfur
✔✔What is a key pest? - ✔✔Pest that is managed every year or economic damage will
occur.
✔✔Lacewing lays eggs on what? - ✔✔Tip of stalk, single egg
✔✔Leaf curl and deformation may be caused by which virus? - ✔✔Verticillium wilt
✔✔Lymes disease is transmitted by what? - ✔✔Ticks
✔✔Mexican Beetle belongs to which family? - ✔✔Coccinellidae
✔✔What is the Migratory bird treaty? - ✔✔Allows taking birds which are committing or
about to commit depredation (attacking)
✔✔Most common form of the plague? - ✔✔Bubonic
✔✔The most common injury to on-target vegetation is caused by? - ✔✔Drift
✔✔Most widely spread weed in California is? - ✔✔Yellow Star Thistle
✔✔Birds that are protected by state or federal laws? - ✔✔English Sparrow, Startling
and Pigeon
✔✔Norway rats have been know to carry what? - ✔✔The Plague
✔✔Name two birds that person can kill without permit when found committing or about
to commit depredation upon ag crop? - ✔✔Blackbird and Cowbird
✔✔What are occasional pests? - ✔✔Pest that cause problems once every few years
when environmental conditions favor their development.
