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United States Department of Agriculture

Agricultural Research Service

Research Project: DEVELOPING NON-INVASIVE NURSERY CROPS

Location: Floral and Nursery Plants Research Unit

Project Number: 1230-21000-051-05
Project Type: Specific Cooperative Agreement

Start Date: Sep 01, 2008
End Date: Aug 31, 2013

Objective:
The primary objective of this work is to develop seedless cultivars of invasive or potentially invasive nursery crops. Secondary objectives are to develop new technologies and methods to facilitate theses efforts and to further enhance pest resistance, adaptability, and commercial potential of these crops.

Approach:
These efforts will focus on traditional breeding methods to develop seedless cultivars. Tetraploid clones will be identified or developed and then hybridized with diploids to create triploids. Additional approaches will include mutation breeding, wide hybridization and breeding for double flowers lacking pistils. Resulting progeny will be assessed for fertility and commercial merit. Target crops will include: amur maple (Acer ginnala), barberry (Berberis spp.), catalpa (Catalpa spp.), elaeagnus (Elaeagnus spp.), flowering crabapple (Malus spp.), flowering pear (Pyrus spp.), lace-bark elm (Ulmus parvifolia), miscanthus (Miscanthus spp.), mimosa (Albizia julibrissin), Norway maple (Acer platanoides), privet (Ligustrum spp.), spirea (Spiraea spp.), St. Johnswort (Hypericum spp.), and winged euonymus (Euonymus alatus).

Last Modified: 10/1/2014
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