Turf Talk By: Geoff Sheffield

Managing Silver Thread Moss on Golf Greens: A Case Study of Highland Pacific Golf 

Silver thread moss (Bryum argenteum) presents a persistent challenge for golf course superintendents, particularly on meticulously maintained golf greens. This resilient moss thrives in moist, shady environments and can proliferate rapidly if not properly managed. At Highland Pacific Golf, the fight against silver thread moss is a continuous battle, especially on our problematic Highland 7th and 8th greens where golfers will notice areas where we have removed mossy sections and used bent grass plugs in an attempt to eradicate this issue.

Effective Management Strategies

To effectively control silver thread moss, a combination of cultural and chemical strategies is employed:

1. Improving Drainage: Ensuring that the greens have adequate drainage helps to reduce the moisture levels that moss favors. This can be achieved through regular aeration and the use of sand topdressing to improve soil structure.
2. Adjusting Irrigation Practices: Over-watering or uneven irrigation can create the perfect conditions for moss growth. By adjusting irrigation schedules and ensuring even water distribution, we can minimize excessive moisture.
3. Enhancing Air Circulation: Promoting good air movement around the greens helps to dry the surface more quickly, making it less hospitable for moss. This can involve selective pruning of surrounding vegetation to increase sunlight and wind exposure.
4. Selective Herbicides and Moss Control Products: In some cases, the application of selective herbicides or specialized moss control products is necessary. These products are carefully chosen to target moss without damaging the desirable turf grass.

Regular Maintenance and Monitoring

Consistent maintenance and vigilant monitoring are crucial in preventing the spread of silver thread moss. Regularly inspecting the greens allows for early detection and prompt intervention. At Highland Pacific Golf, our grounds team is dedicated to maintaining the health of the greens through routine practices and immediate response to any signs of moss encroachment.

Understanding Moss Propagation

Silver thread moss primarily spreads through spores, which can be dispersed by wind, water, mowers, and even golfers’ shoes. This ability to spread easily makes it essential to maintain stringent control measures. On Highland Pacific Golf’s Highland 7th and 8th greens, we have observed small patches of moss that highlight the ongoing nature of this challenge. Our team remains committed to implementing all necessary cultural practices to eradicate the moss and prevent its further spread.

Conclusion

Managing silver thread moss on golf greens is an ongoing process that requires a multifaceted approach. At Highland Pacific Golf, we continue to adapt and refine our strategies to combat this persistent issue. By improving drainage, adjusting irrigation, enhancing air circulation, and using selective control products, we strive to maintain the health and playability of our greens while keeping silver thread moss at bay.