WA Agricultural and Right Of Way Pesticide Test Questions and Answers | Latest Updated 2026 | Guaranteed Success

WA Agricultural and Right Of Way Pesticide Test Questions and Answers | Latest Updated 2026 | Guaranteed Success grasses - answer-only one seed leaf, leaves narrow and upright, leaf veins parral to leaf margins, fine branching roots, sedges have triangular shaped stems broadleaf - answer-two seed leaves, leaves broad with netlike veins, roots coarse, taproot, herbaceous or woody annual plants - answer-12 month life cycle, most common weeds in fields, control relies on stopping seed production and exhausting seed bank summer annuals - answer-germinate in spring or summer, grow, flower set seed and die before winter winter annual - answer-germinate in late summer/early winter, overwinter in vegetative state, in spring flower, seed, mature, and die, seeds lie dormant over summer months biennial plants - answer-complete life cycle in two growing years, first year plant forms rosettes with tap root, second year plant flowers, matures, and dies perennials - answer-2+ years, most reproduce by seed and vegetatively, simple or creeping simple perennial - answer-spread primarily by seed, often have taproot creeping perennial - answer-creeping roots, aboveground stems (stolons), or belowground roots (rhizomes), or by seedtillage - answer-dislodges or cuts root system, controls small weeds, best in hot dry weather, repeat every time new shoots emerge mowing - answer-reduces annual weed growth but not seed production, favors perennial weeds at expense of annual weeds flooding - answer-denies oxygen to leaves and woods, flood with 6-8 in of water in summer, best in sandy soil fire - answer-may require two burnings, one to dry and one to burn, will not kill seeds in soil but can kill seeds buried in soil mulching - answer-emerging seedlings die, coverings must keep out all light crop competition - answer-select crops that are competitive for establishment and canopy closure and rapid regrowth after harvest, ex alfalfa, est uniform crop stand quickly crop rotation - answer-prevents or reduces building of weeds common to one crop nurse crops - answer-planted to suppress weed growth during establishment, use chemical control or early maturing annual to kill nurse crop as main crop matures, irrigating fields - answer-may cause weeds to germinate, control before planting new crop biological control agents - answer-killing plants directly, weaken weeds, reduce weed reproduction capacity, create wounds to allow disease to enter