A Slow Spring: We Need 25%, Cool & Wet Continues, plus Is Moss a Weed?

Image1. Earlier in the Chicago week (Monday morning) is when it really sank in (rain, rain, rain). Apr 4, 2022
Figure 1. Adapted from Fry, J. and Huang, B. 2004. Applied Turfgrass Science and Physiology. p. 250.

April Weather Summary by Shehbaz Singh, MS

Figure 2. Current Chicago air temperatures (blue bars) versus normal range (brown band) in April, 2022.
Figure 3. Spring rainfall in Chicago (green line) versus normal (brown line). April is wet.

Is Moss a Weed? by Derek Settle, PhD

Image 1. Shehbaz Singh views moss competing with turfgrass for space on a bentgrass/Poa golf green in Chicago. Settle, Mar 1, 2022
Figure 1. The lower 3.2-mm or 1/8 inch mowing height (A) was associated with an ≈1.6-fold increase in moss severity compared with the 4.0-mm or 5/32 inch height (B) for all fertility/chemical treatments.
Figure 2. Influence of management treatments on moss severity in creeping bentgrass mowed at 3.2-mm or 1/8 inch (A) and 4.0-mm or 5/32 inch (B) mm in Manhattan, KS, in 2008. Closed circles (organic N-source fertilizer) and closed triangles (synthetic N-source fertilizer).

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Dedicated researchers and turf pathologists working for golf course superintendents in the Chicago area.

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CDGATurfgrassProgram

CDGATurfgrassProgram

Dedicated researchers and turf pathologists working for golf course superintendents in the Chicago area.

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