Turfgrass that has optimal growth at temperatures between 60 and 75 degrees is known as what?

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Prepare for the Illinois Turf Pesticide Test. Study with flashcards and multiple choice questions enhanced with detailed hints and explanations. Ace your exam effortlessly!

Multiple Choice

Turfgrass that has optimal growth at temperatures between 60 and 75 degrees is known as what?

Explanation:
Growth that peaks in cooler temperatures places a turfgrass in the cool-season group. The 60–75°F range is ideal for cool-season grasses, which include species like Kentucky bluegrass, perennial ryegrass, and the fescues. These grasses thrive in spring and fall when temperatures are mild and tend to slow down or struggle in the heat of midsummer, unlike warm-season grasses that perform best at higher temperatures (typically well above 75°F). The other options aren’t grass types at all—concentration is a chemistry term, and a contact pesticide is a type of chemical control, not a turfgrass category.

Growth that peaks in cooler temperatures places a turfgrass in the cool-season group. The 60–75°F range is ideal for cool-season grasses, which include species like Kentucky bluegrass, perennial ryegrass, and the fescues. These grasses thrive in spring and fall when temperatures are mild and tend to slow down or struggle in the heat of midsummer, unlike warm-season grasses that perform best at higher temperatures (typically well above 75°F). The other options aren’t grass types at all—concentration is a chemistry term, and a contact pesticide is a type of chemical control, not a turfgrass category.

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