WA STATE RIGHTS OF WAY VEGETATION MANAGEMENT EXAM
QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED
State noxious weed
Legally must be controlled
IVM
Integrated vegetation management.
Integrated vegetation management. uses?
Uses several control methods to economically and effectively control undesirable
vegetation
Weed seeds can lie dormant in the soil for ?
Many decades
Grasses
One narrow upright leaf
Leaf veins run parallel to leaf margins
Fine, fibrous roots
Growing point for seedlings below soil surface
Herbaceous broadleaf plants
Two seed leaves
Die back to ground each winter
, Taproot and coarse root system
Netlike veins in leaves
Woody Plants
Form wood (brush, shrubs, trees)
Do not die back in winter
Broadleaf, two seed leaves
Coarse root system
Annual Plants
Complete life cycle in less than 12 months
Most common plant in disturbed areas
Abundant seed and seed dormancy, fast growth
Control: Stop seed production exhausting weed seedbank
Types of annuals
Summer Annuals, Winter Annuals
Biennial Plants
Completes life cycle in two years. (Easier to kill in the 1st year)
Perennial Plants
Live more than two years
Some can resprout from roots, rhizomes, stolons, tubers, plant fragments
To prevent: Do not let perennial seedlings become established
Types of Perennials
Simple Perennials, Creeping perennials
QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS
VERIFIED
State noxious weed
Legally must be controlled
IVM
Integrated vegetation management.
Integrated vegetation management. uses?
Uses several control methods to economically and effectively control undesirable
vegetation
Weed seeds can lie dormant in the soil for ?
Many decades
Grasses
One narrow upright leaf
Leaf veins run parallel to leaf margins
Fine, fibrous roots
Growing point for seedlings below soil surface
Herbaceous broadleaf plants
Two seed leaves
Die back to ground each winter
, Taproot and coarse root system
Netlike veins in leaves
Woody Plants
Form wood (brush, shrubs, trees)
Do not die back in winter
Broadleaf, two seed leaves
Coarse root system
Annual Plants
Complete life cycle in less than 12 months
Most common plant in disturbed areas
Abundant seed and seed dormancy, fast growth
Control: Stop seed production exhausting weed seedbank
Types of annuals
Summer Annuals, Winter Annuals
Biennial Plants
Completes life cycle in two years. (Easier to kill in the 1st year)
Perennial Plants
Live more than two years
Some can resprout from roots, rhizomes, stolons, tubers, plant fragments
To prevent: Do not let perennial seedlings become established
Types of Perennials
Simple Perennials, Creeping perennials
