Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings
A multiyear study was conducted to determine if soil amendment combined with topical application of elemental sulfur could be employed to reduce deer browse damage to four conifer species. Fertilizer and sulfur were applied to conifer seedlings at seven sites near Corvallis, OR. Growth and browse d...
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| Format: | Article |
| Language: | English |
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Wiley
2011-01-01
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| Series: | International Journal of Forestry Research |
| Online Access: | http://dx.doi.org/10.1155/2011/108529 |
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| author | Bruce A. Kimball Fred Pfund Mark Gourley Doreen L. Griffin John H. Russell |
| author_facet | Bruce A. Kimball Fred Pfund Mark Gourley Doreen L. Griffin John H. Russell |
| author_sort | Bruce A. Kimball |
| collection | DOAJ |
| description | A multiyear study was conducted to determine if soil amendment combined with topical application of elemental sulfur could be employed to reduce deer browse damage to four conifer species. Fertilizer and sulfur were applied to conifer seedlings at seven sites near Corvallis, OR. Growth and browse damage data were collected for all seedlings over a period of 17 months. Additionally, foliar concentrations of monoterpenes and simple carbohydrates were assessed in western redcedar (Thuja plicata) seedlings over a period of three years. Fertilization and sulfur treatments had a moderate impact on growth and no influence on browse damage or the chemical responses. Over the course of the study, browse damage diminished while foliar monoterpene concentrations increased in redcedar. It appears that silvicultural manipulation via sulfur application and/or soil amendment cannot accelerate or alter the ontogenetical changes that may naturally defend seedlings against mammalian herbivores. In a brief trial with captive deer, redcedar browse resistance was influenced by seedling maturation, but not monoterpene content. Other maturation effects may yield significant browse protection to young seedlings. |
| format | Article |
| id | doaj-art-1f9fca37792148288ff0f696aa7c4bc8 |
| institution | Kabale University |
| issn | 1687-9368 1687-9376 |
| language | English |
| publishDate | 2011-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | International Journal of Forestry Research |
| spelling | doaj-art-1f9fca37792148288ff0f696aa7c4bc82025-02-03T01:11:05ZengWileyInternational Journal of Forestry Research1687-93681687-93762011-01-01201110.1155/2011/108529108529Silvicultural Attempts to Induce Browse Resistance in Conifer SeedlingsBruce A. Kimball0Fred Pfund1Mark Gourley2Doreen L. Griffin3John H. Russell4United States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, Fort Collins, CO, USAStarker Forests, Inc., 7240 SW Philomath Boulevard, Corvallis, OR 97339, USAStarker Forests, Inc., 7240 SW Philomath Boulevard, Corvallis, OR 97339, USAUnited States Department of Agriculture, Animal and Plant Health Inspection Service, Wildlife Services, National Wildlife Research Center, Fort Collins, CO, USABritish Columbia Ministry of Forests and Range, Research, Innovation and Knowledge Management Branch, Cowichan Lake Research Station, P.O. Box 335, 7060 Forestry Road, Mesachie Lake, BC, V0R 2N0, CanadaA multiyear study was conducted to determine if soil amendment combined with topical application of elemental sulfur could be employed to reduce deer browse damage to four conifer species. Fertilizer and sulfur were applied to conifer seedlings at seven sites near Corvallis, OR. Growth and browse damage data were collected for all seedlings over a period of 17 months. Additionally, foliar concentrations of monoterpenes and simple carbohydrates were assessed in western redcedar (Thuja plicata) seedlings over a period of three years. Fertilization and sulfur treatments had a moderate impact on growth and no influence on browse damage or the chemical responses. Over the course of the study, browse damage diminished while foliar monoterpene concentrations increased in redcedar. It appears that silvicultural manipulation via sulfur application and/or soil amendment cannot accelerate or alter the ontogenetical changes that may naturally defend seedlings against mammalian herbivores. In a brief trial with captive deer, redcedar browse resistance was influenced by seedling maturation, but not monoterpene content. Other maturation effects may yield significant browse protection to young seedlings.http://dx.doi.org/10.1155/2011/108529 |
| spellingShingle | Bruce A. Kimball Fred Pfund Mark Gourley Doreen L. Griffin John H. Russell Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings International Journal of Forestry Research |
| title | Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings |
| title_full | Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings |
| title_fullStr | Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings |
| title_full_unstemmed | Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings |
| title_short | Silvicultural Attempts to Induce Browse Resistance in Conifer Seedlings |
| title_sort | silvicultural attempts to induce browse resistance in conifer seedlings |
| url | http://dx.doi.org/10.1155/2011/108529 |
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