Asteraceae (Ambrosia)

Protocol Information for:

Label_title:
Ambrosia (dumosa)

Family Names:

Family Scientific Name:
Asteraceae

Family Common Name:
Aster Family

Scientific Names:

Genus:
Ambrosia

Species:
dumosa

Scientific Classification:

Scientific SubSpecies:

Species Authority:
(A. Gray) Payne

Scientific SubAuthority:

Authors:

Madena Asbell

Common Synonym:

Genus:

Species:

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Other Information:

Common Name:
Burrobush, White Bursage

Species Code:
AMBDUM

Ecotype:
Joshua Tree, CA

General Distribution:
Found in creosote bush scrub community throughout the Mojave and Sonoran deserts of CA, Nevada, Utah, Arizona and northern Baja California.

Known Invasiveness:

Propagation Goal:
Plants

Propagation Method:
Seed

Product Type:
Container (plug)

Stock Type:
4"x 10" Anderson plant bands

Grow Time:
6 months

Target Specifications:

Propagation Collection:
Seed was hand collected in May of previous year.

Propagation Processing/Propagule Characteristics:
Seeds are dried in paper bags and cleaned to remove male flowers and weed seeds. Seed is stored in air tight containers at 3 degrees C.

Pre-Planting Propagule Treatments:
Seeds were not treated prior to sowing. Seeds were sown directly into 17" x 17" x 2" seed flats with a media consisting of 3 parts coarse horticultural perlite, 1 part coarse vermiculite, and a small amount of Osmocote 14-14-14. Seeds were sown at a depth of approximately 1/4 inch. Flats were hand watered. There was 37% germination.

Growing Area Preparation / Annual Practices for Perennial Crops:
Seeds were started in a greenhouse in April. Greenhouse temperatures did not exceed 90F (high) and 50F (low). Maximum germination was reached within 3 weeks. At 6 weeks, seedlings were pricked out and transplanted directly into 4x10 Anderson plant bands and moved outdoors into a shade house with 63% shade cover. Containers were hand watered.

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Harvesting, Storage and Shipping:

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Guidelines for Outplanting / Performance on Typical Sites:

Other Comments:

References:

Citation:
Asbell, Madena. 2017. Propagation protocol for production of Container (plug) Ambrosia dumosa (A. Gray) Payne Plants 4"x 10" Anderson plant bands; Mojave Desert Land Trust JOSHUA TREE, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/04/25). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.

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