Corylus (cornuta)
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Betty Young Nurseries Sr Manager Bldg 201, Fort Mason San Francisco, California 94123 415-331-6917 415-331-7521 (fax) byoung@ggnpa.org |
| Family Scientific Name: | Betulaceae | ||
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| Family Common Name: | Birch Family | ||
| Scientific Name: | Corylus cornuta (A. DC.) Sharp californica (A. DC.) Sharp | ||
| Common Synonym: | Corylus californica (A. DC.) Rose | ||
| Common Name: | California Hazelnut | ||
| Species Code: | CORCOR | ||
| Ecotype: | Tennessee Valley, California | ||
| General Distribution: | C. cornuta var. californica is found on moist slopes and banks below 7,000 feet elevation, in the coast ranges and Sierras; from British Columbia to Santa Cruz County, California. | ||
| Propagation Goal: | plants | ||
| Propagation Method: | vegetative | ||
| ProductType: | Container (plug) | ||
| Stock Type: | Treeband #10 | ||
| Time To Grow: | 0 | ||
| Target Specifications: | Height: N/A<br> Caliper: N/A<br> Root System: Firm plug in container. | ||
| Propagule Collection: |
Semi-Hardwood cuttings are collected between July 1st and November 1st. Cutting diameter is 1.2 cm (0.5 inch). Cutting length is 12.5 cm (5 inches) with at least 3 nodes. |
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| Propagule Processing: | Cuttings are kept moist and cool prior to treatment. | ||
| Pre-Planting Treatments: |
Cuttings are dipped in a mild bleach solution for 30 seconds. Cuttings are treated with Hormex (3000 ppm IBA) rooting powder and struck in flats containing 3:1 Perlite/Vermiculite. 30 Cuttings are struck 2 inches deep per flat. % Rooting:50% |
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| Growing Area Preparation/ Annual Practices for Perennial Crops: |
Fully Controlled Greenhouse. Flats are kept in the greenhouse and watered with an automatic mist system untilroots are fully developed. |
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| Establishment Phase: |
Planting Method: Transplanting Cuttings. Time to Transplant:50 days. Cuttings are transplanted to individual containers 4"x4"x 10"tubes (Treeband #10) containing standard potting mix of peat moss, fir bark, perlite, and sand. Cuttings are placed in the shadehouse. Transplant Survival averages 60%. |
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| References: | A California Flora and Supplement, Munz, P., University of California Press, Berkeley and London, 1973. | ||
Citation:
Young, Betty. 2001. Propagation protocol for production of Container (plug) Corylus cornuta (A. DC.) Sharp plants Treeband #10; San Francisco, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/20). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.
