MICROPROPAGATION OF TEXAS MADRONE, ARBUTUS TEXANA, AND MEXICAN REDBUD, CERCIS CANADENSIS VAR. MEXICANA

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  • 1 Texas A&M University Research and Extension Center, 1380 A&M Circle, El Paso, TX 79927.

Micropropagation studies of several desirable species native to west Texas were initiated to develop clonal propagation systems for ornamental production. Actively growing shoots were collected from mature Texas Madrone and Mexican Redbud trees and successfully cultured on basal medium consisting of WPM salts, MS vitamins, 30g·l-1 sucrose, 0.8% Phytagar supplemented with 2.5 mg·l-1 BA. Shoots were subcultured every 4 weeks on the same medium to obtain sufficient culture material for experiments. Experiments were performed examining inorganic salt formulations, growth regulator materials, and gelling agents to optimize shoot proliferation and rooting.

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