Broadleaf weeds - Study guides, Class notes & Summaries

Illinois Field Crop Applicators Test 100% Pass An integrated pest management program is based upon what factors? various, economical, environmentally sound, socially acceptable What is the number of pests that should be controlled to prevent economic damage from occurring? Economic threshhold Number of pests, costs of various treatments, expected yield, and expected grain value are all factors to determine.... Economic Injury level What should be done if scouting detects an important pest, bu...

Wisconsin Pesticide Applicator Exam Questions With Correct Answers Ch.1 List the general kinds of damage insect pests can cause - CORRECT ANSWERS -Chew on seeds, roots, leaves, stems, & fruits -Tunnel in roots, stems, & leaves -Suck plant juices -Promote gall formation and other malformations -Inject toxins into plants -Transmit diseases to plants -Create a nuisance for people Ch.1 Describe the structural features of insects - CORRECT ANSWERS ...

The goal of IPM isn't to eliminate the entire pest population but.... - CORRECT ANSWER To avoid adverse effects on humans, wildlife and the environment Which of the following words is that number of pests per plant or the amount of damage to a plant at which point control measures should begin? - CORRECT ANSWER Economic Threshold The disease that is generally the result of unfavorable growing conditions, such as temperature or moisture extremes, soil compaction, pesticide or fertilizer...

The goal of IPM isn't to eliminate the entire pest population but... - CORRECT ANSWERS To avoid adverse effects on human, wildlife, and the environment (The question is something like the above but not the exact wording) Which of the following words is that number of pests per plant or the amount of damage to a plant at which point control measures should begin? - CORRECT ANSWERS Economic Threshold What can be said about insects? - CORRECT ANSWERS They have three pairs of jointed leg...

IPM Integrated Pest Management; Goals are provide economical pest control/protect the environment Not The Goal Of IPM Elimination of all pests Economic threshold/action threshold Number of pests per plant of amount of damage to plant at which control measures should begin economic injury level breakeven point which the cost of pest control equals the revenue loss caused by pest aesthetic injury level number of pests that might cause enough damage to the appearanc...

1. The goal of IPM isn't to eliminate the entire pest population but.... - CORRECT ANSWER To avoid adverse effects on humans wildlife and the environment 2. Which of the following words is that number of pests per plant or the amount of damage to a plant at which point control measures should begin? - CORRECT ANSWER Economic Threshold 3. What can be said about insects? - CORRECT ANSWER They have three pairs of jointed legs. 4. Which of the following is an incomplete life cycle? - CORR...

Dandelions - Answer- has a flattened rosette of narrow leaves Dallisgrass - Answer- grows in clumps but has short, stout rhizomes; about the same texture as St. Augustinegrass; produces unsightly seedheads; tends to grow faster than turfgrasses after mowing; difficult to control Sedges - Answer- Yellow and purple nutsedge Pitfall traps work for - Answer- billbugs Pheromone traps work for - Answer- adult japanese beetle, black cutworm moth, larger sod webworm moth Light traps work ...

Ohio Turf Commercial Latest Update Graded A Biological Control Using Natural Defenses- The biological approach to control uses living organisms or their products to reduce pest populations. Chemical control A tool to use wisely- The use of pesticides to kill pest. Chemical control also include repellents, attractants or pheromones, and growth regulators. Preventative Prevent a pest outbreak by making an application before the problem appeara Reactive "Cure" a pest prob...

Rights of Way Pesticides Practice Exam Questions and Answers Growth regulator herbicides -Answer-disrupt the hormone balance and protein synthesis in plants, causing growth abnormalities. Growth regulators selectively kill broadleaf weeds in grass stands. Grasses generally are tolerant to these chemicals, but injury can occur if herbicides are applied at the wrong growth stage or at high rates. These herbicides translocate to the growing points of the plants, and injury symptoms appear in...

Characteristics that are important for Identifying Broadleaf Seedlings - answer-Cotyledon Shape Shape of first true leaf Characteristics for Identifying Grass Seedlings - answer-Presence or absence of auricle Presence or absence of ligule Presence or absence of hairs Characteristics important for keying out Mature Broadleaf Weeds - answer-Whether flower parts are in multiples of 4 or 5 Ovary Position Presence or absence of hairs Characteristics important for keying out Mature Grass We...