CDFA IPM Exam (Revised) 2024

CDFA IPM Exam (Revised) 2024 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? -Answer-Silent 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) -Answer-Early 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? -Answer-Cotton/Alfalf