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Mikkelsen, B.L.; Jørgensen, R.B.; Lyngkjær, M. F.. |
Barley (Hordeum vulgare) was grown in different climatic environments with elevated [CO2] (700 vs 385 ppm), [O3] (60/90 vs 20 ppb) and temperature (24/19 vs 19/12°C day/night) as single factors and in combinations, to evaluate the impact of these climatic factors on photosynthesis and susceptibility to powdery mildew and spot blotch disease. No significant increase in net CO2 assimilation rate was observed in barley grown under elevated [CO2] at ambient temperature.However, this rate was positively stimulated under elevated temperature together with a slightly higher potential quantum efficiency of PSII, both at ambient and elevated [CO2], suggesting that photosynthesis was not limited by [CO2] at ambient temperature. When growing under elevated... |
Tipo: Journal paper |
Palavras-chave: Food security; Food quality and human health Air and water emissions Crop health; Quality; Protection. |
Ano: 2014 |
URL: http://orgprints.org/28056/7/28056.pdf |
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