Photosynthetica 2005, 43(2):303-305 | DOI: 10.1007/s11099-005-0050-x
Gas exchange in lisianthus plants (Eustoma grandiflorum) submitted to different doses of nitrogen
- 1 Laboratory of Biochemistry and Plant Physiology, Agronomy College, CEFET-PR, Pato Branco-PR, Brazil
- 2 Agronomic Sciences College, Sao Paulo State University, Botucatu-SP, Brazil
- 3 Biosciences Institute, Sao Paulo State University, Botucatu-SP, Brazil
The effect of different doses of nitrogen (N) on gas exchange, relative chlorophyll (Chl) amount, and the content of N in the aerial biomass of lisianthus was evaluated. The treatments consisted of six different concentrations of N (50, 100, 150, 200, 250, and 300 g m-3 noted as N50, N100, N150, N200, N250, and N300, respectively), applied through the fertirrigation technique. N250 and N300 induced increase in the contents of foliar Chl and N in the aerial biomass, that in turn contributed to an increase of photosynthetic activity in lisianthus.
Additional key words: chlorophyll; mineral nutrition; photosynthesis; stomatal conductance; transpiration
Received: September 13, 2004; Accepted: January 3, 2005; Published: June 1, 2005 Show citation
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Marchese, J.A., Katz, I., Sousa, A.P., & Rodrigues, J.D. (2005). Gas exchange in lisianthus plants (Eustoma grandiflorum) submitted to different doses of nitrogen. Photosynthetica, 43(2), 303-305. doi: 10.1007/s11099-005-0050-x
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