CDFA IPM Exam (Revised) Actual Exam Questions And Answer

CDFA IPM Exam (Revised) Actual Exam Questions And Answers 2, 4-D is used to control? - ANSWER- annual broadleaf weeds in crops Spry Oil Properties - ANSWER- High Viscosity in summer with high heat: Less Phytotoxic Low Viscosity in Winter with low heat: Heavier Oil What is 2-4D amine? - ANSWER- Salt What are IGR? - ANSWER- Insect Growth Regulators, Mimic natural hormones and interfere with growth Herbicides adsorbs/binds to which kind of soil? - ANSWER- Soil with high organic/clay content and Low pH, high temperature Year of earliest bio control? - ANSWER- 1200AD Biological control became popular in 1962 with release of which book? - ANSWERSilent spring Which years during WWI was pesticide research done? - ANSWER- What is Direct and Indirect damage in plants? - ANSWER- 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? - ANSWER- Use tristeza free material American Fourbrood (AFB) is caused by what? - ANSWER- Spore forming Paenibacillus larvae ssp. / most most widespread and destructive of brood diseases Africanized honey bees are considered what? - ANSWER- Agressive The alfalfa butterfly parasite attack: ( early instars, later instars or eggs) - ANSWEREarly instars Alligator Wee, Rating - ANSWER- A Anticoagulant baits are used because why? - ANSWER- The don't develop resistance in animals Where are anticoagulants placed for mice and rats? - ANSWER- Placed in bait boxes ( not scattered) How are Ants a problem? - ANSWER- Eat tender new growth, nuisance ALL THE ABOVE Which are considered Pests of bee hives? - ANSWER- Verroa and Tracheal mites, raccoons, small hive beetle, ants, bears, skunks and mice An appeal by a beekeepers is to What? - ANSWER- Take sample with inspector jointly and send a written appeal to CDFA secretary Arrhentoky - ANSWER- Form of parthenogenesis where unfertilized eggs develop into males Ash and other trees are affected by what during cool springs? - ANSWER- Anthracnose Augmentative control is defined as? - ANSWER- Supplementing the numbers of naturally occurring beneficial populations with mass-reared insects Inoculative control (Augmentative) - ANSWER- Release of beneficial is made on the crop ONCE during season. Control is ensured for rest of season by their offsprings. Inundative control (Augmentative) - ANSWER- Releases are planned when pests are only controlled by released beneficials themselves. More frequent releases are necessary. Bats are in general? - ANSWER- Insectivorous Bees pollinate what crops in desert regions? - ANSWER- Alfalfa Bees pollinate which crops in arid regions of CA, NV and AZ? - ANSWERCotton/Alfalfa Biocontrol of musk thistle: Eats what part of the plant? (Seed head, stems or leaves) - ANSWER- See head Bio Control on citrus has been effective for all the following except for? - ANSWERCitrus Blackfly The bio control trichogramma wasp controls what? - ANSWER- Parasitizes insect eggs Black tailed jack rabbit: (game animal or non game animal) - ANSWER- Game animal Botrytis characteristics and control - ANSWER- Characteristic: Fungus overwinters as sclerotia in berry mummies on the ground or hanging on vines and in canes. Spore production occur in spring. Infections may occur during bloom should rains occur. Late infections are most severe when RH exceeds 92%. Control: Good coverage of fungicides on canopy. Using cultural control methods like leaf removal, using resistant varieties. Broomrape is a pest of? - ANSWER- Tomatoes A burrow baiting machine works poorly in which soil? - ANSWER- Sandy or muddy soil Causal agent of AFB? - ANSWER- Bacterial (bacillus larvae) Characteristics of cliff swallows and nests? - ANSWER- Square tail, white forehead, steel-blue crown Build mud nests under leaves of houses and buildings Then Cinnabar moth is the bio control agent for what? - ANSWER- Tansy Ragwort Citrus bud mites leads to what? - ANSWER- Distorted fruit What is bio control for Citrus mites? - ANSWER- Predaceous mite Euseius tularensis, spiders, lacewings and minute pirate bugs Citrus thrips cause what damage? - ANSWER- Silvery scars on fruit Citrus thrips overwinter as what? - ANSWER- Eggs laid on green twigs, new leaves What color are anticoagulants? - ANSWER- Green or Blue Control of Klamathweed/St. Johnswort weed? - ANSWER- Leaf-feeding flea beetles (Chrysolina sp) and Root boring beetles Control of phytophthora and root knot nematode? - ANSWER- Water control / Sanitation / Resistant Variety Crescent shaped mounds are made by? - ANSWER- Gopher