QUESTIONS AND CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) | ALREADY GRADED
A+
Of all the various parasites of Filth Fly they typically attack what? - ANSWER: pupae
What do Starlings eat in the summer - ANSWER: soft fruit
What do Starlings eat in the winter? - ANSWER: cattle feedlots
Which is NOT a control for Klamath Weed? - ANSWER: buprestid beetle
Anargus epos is a parasite of grape leafhopper that attacks what life stage? -
ANSWER: eggs
The parasite Aphelinus mali is a parasite of woolly apple aphid, but is also a parasite
of what other insect? - ANSWER: cotton aphid and apple aphid
A type of root knot nematode is found in a grape vineyard. What information is
needed for proper management? - ANSWER: only that they are root knot nematodes
How to manage vineyard once it is determined to have root knot nematodes
present? - ANSWER: fallow ground for 4 years and precede planting with grass crops
like barely or sundagrass
Best prevention of Pierces Disease - ANSWER: resistant varieties
Eutypa Dieback Management - ANSWER: prune and remove dead wood late in
dormant season, remove and burn any infected wood in vineyard and nearby
Eutypa Dieback management when more advanced and suckers attaching to lower
trunk - ANSWER: completely remove all cankers on vine and trunks cutting until no
darkened tissue remains
Crown Gall Management - ANSWER: sanitation and avoidance of injury
What is important in the management of Powdery Mildew? - ANSWER: monitoring
presence of spores, applying fungicide, and using the Powdery Mildew Index (PMI)
How to determine if the gall causing disease on alfalfa is caused by root knot
nematode - ANSWER: rub off the nodules, if they come off easily most likely nitrogen
fixing bacteria
When can a hold be put on an apiary? - ANSWER: when it is infested with disease
, Which of the following is a noxious weed - ANSWER: White Horsenettle
Which chemical causes aerial distress displays and vocal distress call and works as a
flock frightening agent? - ANSWER: Avitrol
What is the most effective method for mole management? - ANSWER: kill traps
Which is the best description of zinc phosphide? - ANSWER: heavy, finely ground
black gray powder (also smells like garlic)
Which of the following is evidence of gopher activity? - ANSWER: crescent mounds
(gopher activity is shown through crescent mounds)
What kind of damage would be seen in an orchard if meadow vole were present? -
ANSWER: gnawing at the bark
What does volatile mean? - ANSWER: a chemical that vaporizes at normal temp and
contact with air
Owner has problem with ground squirrels on his property. What does he need in
order to use an anticoagulant on the pest? - ANSWER: a bait that is labeled for this
use and registered with the Department of Pesticide Regulation
Which of the following is a California noxious weed? - ANSWER: Purple Loosestrife
What is the major drawback of using insect growth regulators - ANSWER: doesn't
work on adults
What odor does a zinc phosphide coated bait give off - ANSWER: garlic
How are muskrats classified - ANSWER: fur bearers
Which pesticide causes the greatest threat of drift during application - ANSWER: 2, 4-
D
What is the greatest hazard when first applying pesticide - ANSWER: spray drift
Which best describes Q rating - ANSWER: a temporary rating and under eradication
action
What type of reproduction system in parasitic hymenopterans result in all females -
ANSWER: thelytoky
What is the name of a substance that readily forms a suspension with water -
ANSWER: wettable powder