CDFA IPM EXAM (REVISED)

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