A mollusc repellent, which includes a substantially insoluble metal oxalate and a suitable carrier therefor, which exhibits prolonged efficacy. The mollusc repellent is environmentally friendly, being both non-phytotoxic and harmless to non-target animals, and is therefore suitable for use in sustai
A mollusc repellent, which includes a substantially insoluble metal oxalate and a suitable carrier therefor, which exhibits prolonged efficacy. The mollusc repellent is environmentally friendly, being both non-phytotoxic and harmless to non-target animals, and is therefore suitable for use in sustainable agriculture, where the use of toxic chemicals is unacceptable. The mollusc repellent can be used in the form of a solid or as a coating composition.
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1. A method for treating an article with a mollusc repellent composition which method comprises applying to the surface of said article, a mollusc repellant composition comprising an effective amount of a substantially insoluble metal oxalate and a suitable carrier therefor,wherein the article is ab
1. A method for treating an article with a mollusc repellent composition which method comprises applying to the surface of said article, a mollusc repellant composition comprising an effective amount of a substantially insoluble metal oxalate and a suitable carrier therefor,wherein the article is above ground or in the soil, and wherein the mollusc is Deroceras spp., Helix spp ., or Cerneuella spp. 2. The method of claim 1, wherein the metal of the metal oxalate is a transition metal or a transition metal in combination with a non-transition metal. 3. The method of claim 1, wherein the metal is iron(II) or iron(III), aluminum, zinc or copper. 4. The method of claim 1, wherein the metal oxalate is ferric potassium oxalate or copper oxalate. 5. The method of claim 1, wherein the amount of metal oxalate is between 2% to 100% by weight of the total composition. 6. The method of claim 5, wherein the amount of metal oxalate is between 2% to 10% by weight of the total composition. 7. The method of claim 1, wherein the metal oxalate is present as an aqueous suspension. 8. The method of claim 1, wherein the carrier comprises a binder to facilitate the adhesion of the metal oxalate onto the surface of an article to be treated. 9. The method of claim 8, wherein the binder comprises between 0.1% and 100% by weight of the carrier. 10. The method of claim 1, wherein the mollusc repellent composition further comprises a fungicide. 11. The method of claim 10, wherein the fungicide comprises about 0.05% to 1.0% by weight of the total composition. 12. The method of claim 1, wherein the composition further comprises a diluent to enable even coverage of the article to which the repellent is to be applied. 13. The method of claim 12, wherein the diluent comprises between about 0% to 95% by weight of the total composition. 14. The method of claim 1, wherein the composition further comprises a growth hormone. 15. The method of claim 14, wherein the growth hormone is a seaweed extract. 16. The method of claim 14, wherein the growth hormone comprises between 0.05% and 1% by weight of the total composition. 17. The method of claim 1, wherein the composition comprises said metal oxalate in combination with at least one other mollusc repellent. 18. The method of claim 1, wherein the article to be treated is an animate or an inanimate article. 19. The method of claim 2, wherein the animate article is a seed having the potential to produce at least one root, and a growth hormone is readily available to the at least one root as it emerges from the seed. 20. The method of claim 18, wherein the inanimate article is a weed mat, an outlet pipe for cooling systems, a hull of a ship, a driveway of a home, or a grow-bag. 21. The method of claim 1, wherein the form of the repellent is a solid, a suspension, or a coating composition. 22. A mollusc repellent composition comprising an effective amount of a substantially insoluble metal oxalate, a suitable carer therefor, and a growth hormone. 23. The mollusc repellent composition of claim 22, wherein the metal of the metal oxalate is a transition metal or a transition metal in combination with a non-transition metal. 24. The mollusc repellent composition of claim 22, wherein the metal is iron(II) or iron(III), aluminum, zinc or copper. 25. The mollusc repellent composition of claim 22, wherein the metal oxalate is ferric potassium oxalate or copper oxalate. 26. The mollusc repellent composition of claim 22, wherein the amount of metal oxalate is between 2% to 100% by weight of the total composition. 27. The mollusc repellent composition of claim 26, wherein the amount of metal oxalate is between 2% to 10% by weight of the total composition. 28. The mollusc repellent composition of claim 22, wherein the metal oxalate is present as an aqueous suspension. 29. The mollusc repellent composition of claim 22, wherein the carrier comprises a binder to facilitate the adhesion of the metal oxalate onto the surface of an art icle to be treated. 30. The mollusc repellent composition of claim 29, wherein the binder comprises between 0.1% and 100% by weight of the carrier. 31. The mollusc repellent composition of claim 22, further comprising a fungicide. 32. The mollusc repellent composition of claim 31, wherein the fungicide comprises about 0.05% to 1.0% by weight of the total composition. 33. The mollusc repellent composition of claim 22, wherein the composition further comprises a diluent to enable even coverage of the article to which the repellent is to be applied. 34. The mollusc repellent composition of claim 33, wherein the diluent comprises between about 0% to 95% by weight of the total composition. 35. The mollusc repellent composition of claim 22, wherein the growth hormone is a seaweed extract. 36. The mollusc repellent composition of claim 22, wherein the growth hormone comprises between 0.05% and 1% by weight of the total composition. 37. The mollusc repellent composition of claim 22, wherein the composition comprises a metal oxalate in combination with at least one other mollusc repellent. 38. The mollusc repellent composition of claim 22, wherein said composition is in the form of coating composition. 39. The mollusc repellent composition of claim 22, wherein said composition is in the form of a paint.
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