Ornamental & Turf Review Questions and Answered 100% Correct

What creates the greatest drift hazard? - ANSWER-High Pressure - Small Orifice You must know the persistence of pesticides you apply to ornamental and turf areas, especially where: - ANSWER-Humans, pets, or other animals are present Powder is applied A garden is nearby What is the minimum period of time to keep children, adults, pets and domestic animals from contact with sprayed turf? - ANSWER-Until the turf is dry. Which of the following turf grass diseases can be severe in July and August in Nebraska? - ANSWER-Summer Patch Which one of the following weeds is a perennial, broad leaf weed? - ANSWER-Field Bindweed Describe the presence of powdery mildew. - ANSWER-Fluffy, grayish-white blotches on leaves and flowering parts What kind of insect is small, green or brown (3/16" long) which jumps or flies when is disturbed? - ANSWER-Leaf hoppers What are the symptoms of dollar spot in Kentucky bluegrass? - ANSWER-Bleached out spots, tan leaf lesions with reddish brown margins What are the characteristics of stem rust of Kentucky bluegrass? - ANSWER-Produces brick red pustules on leaf blades in late Summer. What is involved with the control of pink and gray snow mold? - ANSWER-The construction of snow barriers to minimize accumulation of snow in problem areas. What are three factors that contribute to pesticide phytotoxicity? - ANSWER-1.Uneven distribution of pesticides 2.High air temperatures 3.Excessive application rates of pesticides How many fluid ounces would be required on 4000 sqft of turf wiht a label rate of 2 ounces per 1000 sqft? How many teaspoons would be required for the 4000 sqft? *One fluid ounce=2 tablespoons, one tablespoon=3 teaspoons. - ANSWER-0.8 ounces 48 teaspoons