Irrigation problems and how to correct them, Oregon Horticultural Society Annual Meeting, Jan 31, 2007
Berry irrigation practice and the connections with root rot, Western Washington Small Fruit Workshop, Dec 5, 2006.
Blueberry cultivars for homeowners, WSU Master Gardeners' Conference, Sept 7, 2006.
Raspberry and Strawberry cultivars for homeowners, WSU Master Gardeners' Conference, Sept 7, 2006.
Raspberry Irrigation for optimal yields and to avoid root rot, 8th annual Small Fruit Growers' Workshop, Vancouver, WA, Mar 14, 2006.
Establishing Blueberry Plantings. 2006 Western Washington Horticultural Association Convention, Jan 5, 2006.
Walters T.W. Organic and conventional production of red raspberry. 2004 Western Washington Small Fruit Workshop.
Walters T.W. Caneberry breeding and varieties. 2004 Annual Caneberry meeting, Watsonville, CA.
Baumann, T., Moore P., Kempler C., Walters, T. Raspberry and Strawberry varieties: New info on what to grow. 45th annual Horticulture Growers’ Short Course, Lower Mainland Horticultural Improvement Association. 2003
Walters T.W. Breeding Cole Crop Varieties for the North American Market (invited speaker). 24th Annual Ontario Horticultural Crops conference and Farmers’ Markets Ontario Symposium. 1998.