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Reproductive growth during drought in Artemisia tridentata Nutt.

Citation

R David Evans, R Alan Black, and Steven O Link, Reproductive growth during drought in Artemisia tridentata Nutt.: .

Summary

Artemisia tridentata Nutt, is a drought-tolerant shrub that expands inflorescences during summer and autumn, even though xylem pressure potentials may be less than -5.0 MPa. Supplemental watering increased total inflorescence biomass and the biomass of floral heads over 450 and 550%, respectively. Inflorescences displayed positive net photosynthesis until xylem pressure potentials decreased below -5.0 MPa. Growth of inflorescences was not dependent on carbon imported from vegetative leaves; removal of all leaves on vegetative branches did not change inflorescence biomass, and 14CO2 fixed by adjacent vegetative branches was not transferred into inflorescences. Expanding inflorescences during summer may enhance competitive ability because [...]

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  • Upper Colorado River Basin

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From Source - Mendeley RIS export <br> On - Tue May 10 10:34:35 CDT 2011

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Title Citation Reproductive growth during drought in Artemisia tridentata Nutt.

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