CDFA IPM Exam (Revised) Questions
and Answers
2,4-D is used to control?
✓ ~~~annual broadleaf weeds in crops
Spry Oil Properties
✓ ~~~High Viscosity in Summer with high heat: Less Phytotoxic
Low Viscosity in Winter with low heat: Heavier Oil
What is 2-4D amine?
✓ ~~~Salt
What are IGR?
✓ ~~~Insect Growth Regulators, Mimic natural hormones and interfere with growth
Herbicides adsorbs/binds to which kind of soil?
✓ ~~~Soil with high organic/clay content and Low pH, high temperature
Year of earliest bio control?
✓ ~~~1200AD
Biological control became popular in 1962 with release of which book?
✓ ~~~Silent spring
Which years during WWI was pesticide research done?
, ✓ ~~~1939-1945
What is Direct and Indirect damage in plants?
✓ ~~~Direct damage: Feed on part of crop we use
Indirect damage: Feed on part of plant we do not use
How is Tristeza on citrus avoided?
✓ ~~~Use tristeza free material
American Fourbrood (AFB) is caused by what?
✓ ~~~Spore forming Paenibacillus larvae ssp. / most most widespread and destructive of
brood diseases
Africanized honey bees are considered what?
✓ ~~~Agressive
The alfalfa butterfly parasite attack: ( early instars, later instars or eggs)
✓ ~~~Early instars
Alligator Wee, Rating
✓ ~~~A
Anticoagulant baits are used because why?
✓ ~~~The don't develop resistance in animals
Where are anticoagulants placed for mice and rats?
, ✓ ~~~Placed in bait boxes ( not scattered)
How are Ants a problem?
✓ ~~~Eat tender new growth, nuisance ALL THE ABOVE
Which are considered Pests of bee hives?
✓ ~~~Verroa and Tracheal mites, raccoons, small hive beetle, ants, bears, skunks and mice
An appeal by a beekeepers is to What?
✓ ~~~Take sample with inspector jointly and send a written appeal to CDFA secretary
Arrhentoky
✓ ~~~Form of parthenogenesis where unfertilized eggs develop into males
Ash and other trees are affected by what during cool springs?
✓ ~~~Anthracnose
Augmentative control is defined as?
✓ ~~~Supplementing the numbers of naturally occurring beneficial populations with mass-
reared insects
Inoculative control (Augmentative)
✓ ~~~Release of beneficial is made on the crop ONCE during season. Control is ensured
for rest of season by their offsprings.
Inundative control (Augmentative)
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