EXAMINATION SET QUESTIONS AND ANSWERS
SURE A+
✔✔summer annuals - ✔✔emerge in spring/summer, die in winter; crabgrass
✔✔winter annuals - ✔✔emerge in fall, die in summer; common chickweed,henbit
✔✔Annuals are most susceptible to herbicides during _________ stage - ✔✔seedling
✔✔biennials - ✔✔live for two years then die; bull thistle
✔✔perennials - ✔✔live for more than two years; dandelion, yellow nutsedge
✔✔rosette stage in biennial - ✔✔cluster of leaves form. Year One of biennial
✔✔herbaceous perennials - ✔✔die in fall, but root systems overwinter; ex: Canada
thistle, dandelion, johnsongrass
✔✔woody perennials - ✔✔persistent aboveground stems that remain each season; ex:
poison ivy
, ✔✔simple perennials - ✔✔reproduce from seed, but usually have fleshy taproots that
allow them to overwinter
✔✔creeping perennials - ✔✔reproduce by seed and also vegetatively by means of
rhizomes, stolons, tubers, bulbs, budding roots; ex: yellow nutsedge, wild garlic, ground
ivy
✔✔rhizomes - ✔✔creeping underground stems
✔✔stolons - ✔✔creeping aboveground stems
✔✔must reach vegetative reproductive structure for control - ✔✔high rate of herbicides
✔✔pesticide - ✔✔chemical used to destroy, prevent, or control pest
✔✔active ingredient - ✔✔part of formulation effective against targeted pest
✔✔inert ingredient - ✔✔no direct effect on pest; added to help storage or make safer
✔✔herbicides - ✔✔for weeds
✔✔insecticides - ✔✔for insects
✔✔fungicides - ✔✔for fungi
✔✔acaricides - ✔✔for mites
✔✔desiccants - ✔✔plants to be dehydrated
✔✔defoliant - ✔✔unwanted plant foliage
✔✔piscicide - ✔✔fish
✔✔predacide - ✔✔vertebrates
✔✔silvicide - ✔✔woody vegetation
✔✔dry formulations - ✔✔percent concentraction; 60WDG = 60% active
✔✔wet formulations - ✔✔in pounds per gallons, 4EC = 4 pounds active
✔✔SP - ✔✔soluble powder; dry; forms solution; they are dusts