New Bird Repellents for Longleaf Seed

Morkit, used extensively in central Louisiana last fall as a bird repellent in direct-seeding of longleaf pine, has been withdrawn from the U. S. market. Several other chemicals are promising substitutes, though not yet fully proven. In recent tests at Alexandria, good results were secured from Arasan Seed Disinfectant and Protectant (50% tetramethyl thiuram disulphide), produced by DuPont. Other Arasan compounds have not been tested as yet, and may be either ineffective or harmful to the seeds.

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Author(s): Brooke Meanley, William F. Mann, Jr., Harold J. Derr

Publication: Tree Planters' Notes - Issue 28 (1957)