New azide-based pest products to be developed
Gowan Co. entered into a licensing agreement with American Pacific Corp. to develop and market azide-based pest management products. Gowan will be the exclusive worldwide marketing and sales provider of all products developed under this agreement. Certain azide-based products developed by American Pacific and Auburn Univ. have been found to be highly effective in controlling soil-borne weeds, nematodes, fungi and bacteria in trials on cut flowers, food crops and turf. A new formulation under development is applied as a pre-plant pesticide using either drip irrigation or traditional soil incorporation methods.
Rainy weather favors parasitic nematodes
Abundant spring rainfall in the Northeast favored development of foliar nematodes, reports Leanne Pundt, Univ. of Conn. ext. hort. and greenhouse IPM specialist. Parasitic nematodes need a film of water to move across plant surfaces. Numerous perennials and annuals are hosts of strawberry leaf nematode. Initially the nematodes feed on the outside of leaves and then enter plants through stomata and begin feeding there. Once inside, nematodes complete their life cycle in as little as 2 weeks. Populations can become high before symptoms are evident. Symptoms include curling, stunting and twisting of new growth. Once feeding occurs in leaves, leaves turn pale green, then yellow and later brown.
Michigan State hosts Garden Plant Showcase
Mich. St. Univ. is hosting its annual Garden Plant Showcase on Aug. 2. The keynote presentation on great container combinations will be given by Tom Smith of Four Star Greenhouse in Carleton, Mich. There are 3 educational tracks focusing on greenhouse, retail and landscape. The event will include tours of the MSU hort. gardens, an All-America Selections site that contains more than 1,000 varieties of annuals, perennials and landscape plants. Lunch is included in the $45 registration fee.
Peat is focus of international symposium
The 5th Int'l. Symposium on Peat in Horticulture will be Oct. 30 in Amsterdam, Netherlands, a day before the start of Int'l HortiFair, Oct. 31-Nov. 3. The symposium's theme is "Peat in the Stranglehold of Interest Groups." Topics include the impact of hort. peat production on the climate, regulation of peat production and after-use, restoration of peat fields, and peat's necessity in horticulture.
2 open houses scheduled in Loudon, N.H.
D.S. Cole Growers and Pleasant View Gardens, both in Loudon, N.H., will hold open houses on Aug. 3. Cole's 4-acre greenhouse operation and surrounding display areas, including an All-America Selections display garden, will show new varieties in 14-inch containers and Belgian Garsy plant towers. Terri Coldreck, owner of Color Results, will present a seminar on "Merchandising with color." Pleasant View Gardens will show more than an acre of Proven Winners and Proven Selections varieties in beds, baskets and containers. P. Allen Smith will display the Hot 21 Plants he is promoting.
Worth a visit
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