Emily Merewitz - March 10, 2026

Topic:

Understanding and promoting turfgrass survival of winter

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* 1. Full Name

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* 2. IPM Number

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* 3. Province

Ontario

Other (please specify)

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* 4. High soil water content is always good in spring to promote growth

True

False

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* 5. Snow cover always protects turfgrass from winter injury

True

False

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* 6. Shaded or north‑facing areas often experience more winter injury than open, sunny areas

True

False

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* 7. Hypoxia is a complete lack of oxygen in an organism or a turf system

True

False

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* 8. Ice encasement primarily injures turfgrass by

Physically crushing the crown

Blocking oxygen exchange

Removing insulating snow

Increasing soil pH

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* 9. Which site condition most increases winterkill risk?

High sand content

Good surface drainage

Lowlying, poorly drained areas

Southfacing slopes

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* 10. Low‑temperature kill occurs when:

Crowns freeze beyond their tolerance

Soil remains saturated for too long

Snow melts too quickly

Turf dries out under wind

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* 11. Which practice can reduce the risk of ice encasement on putting greens?

lowering the mowing height in fall

Excluding precipitation by covering or removing snow or ice

Irrigating before snowfall

none of the above