Research

Another day, another dollar

July 18, 2018 By and
Dollar spot (Sclerotinia homoeocarpa F.T. Bennett) is a common disease of turfgrass worldwide. Even with adequate fertility and deployment of cultural controls, multiple fungicide applications typically are required for control. While organic amendments are considered promising alternative management tools, we ...
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Woman burying oats in thatch.

Don’t get overmatched: Dispatch that large patch

July 18, 2018 By and
Large patch is a fungal disease of zoysiagrass (Zoysia japonica, Z. matrella, Z. pacifica and various Zoysia hybrids) and several other warm-season grasses. This article focuses on the disease in zoysiagrass, which is becoming more popular in warm and transitional ...
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Foliar fertilizers and soil nutrient levels

Foliar fertilization is the application of a dilute solution of plant nutrients to foliage with the objective of nutrient uptake by leaves. Initial interest in foliar fertilization began in the 1990s over concern about picking up granular fertilizers during mowing ...

Primo Maxx: To reapply or not?

Making the decision to apply a plant growth regulator like Primo Maxx (Syngenta, trinexapac-ethyl) on ultradwarf bermudagrass (Cynodon dactylon x C. transvaalensis) is easy. In addition to growth suppression, Primo can provide enhanced color, increased density and more consistent green ...
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A new index for sodicity risk assessment of irrigation water

Golf courses with poor quality irrigation water must worry about sodium accumulation in soil. Sodium adsorption ratio (SAR) is the primary criterion of estimating sodium hazard of irrigation waters. However, SAR has been shown to underestimate the risk of sodium ...
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Winter bermudagrass overseeding: Does it hurt or help?

Bermudagrass (Cynodon dactylon) is the choice for golf course fairways and tees in the South and in the Transition Zone because it tolerates close mowing (less than 3/4 inch) and forms a dense, durable and persistent turf. One of the ...
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