Fertilization regimes under hot conditions alter photosynthetic response of bean plants
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| 024 | 7 | 0 | |a 10.1007/s11099-015-0090-9 |2 doi |
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| 245 | 0 | 0 | |a Fertilization regimes under hot conditions alter photosynthetic response of bean plants |h [Elektronische Daten] |c [I. Hassan, H. Abou Zeid, W. Taia, N. Haiba, A. Zahran, R. Badr, R. El Dakak, E. Shalaby] |
| 520 | 3 | |a We examined the effects of foliar application of various nitrogen (urea) concentrations on gas-exchange and chlorophyll (Chl) fluorescence characteristics in bean plants treated by heat stress (42/30°C, day/night temperatures). Heat stress caused reductions in contents of Chl a, Chl b, and in maximum photochemical efficiency of PSII by 13, 20, and 27%, respectively, regardless of the N treatment. However, N fertilization caused significant increases in these parameters, especially at higher N concentrations. The net photosynthetic rate and stomatal conductance were enhanced by 32, 60, and 69% and by 25, 88, and 100% due to addition of 5, 10, and 15 mM N, respectively. However, gas-exchange parameters were reduced by 24% due to heat stress. N fertilization alleviated adverse effects of heat stress. | |
| 540 | |a The Institute of Experimental Botany, 2015 | ||
| 690 | 7 | |a heat stress |2 nationallicence | |
| 690 | 7 | |a nitrogen fertilization |2 nationallicence | |
| 690 | 7 | |a photosynthetic performance |2 nationallicence | |
| 690 | 7 | |a Phaseolus vulgaris L |2 nationallicence | |
| 690 | 7 | |a Chl : chlorophyll |2 nationallicence | |
| 690 | 7 | |a FM : fresh mass |2 nationallicence | |
| 690 | 7 | |a HS : heat stress |2 nationallicence | |
| 690 | 7 | |a P N : net photosynthetic rate |2 nationallicence | |
| 690 | 7 | |a g s : stomatal conductance to water vapour |2 nationallicence | |
| 690 | 7 | |a qp : photochemical quenching coefficient |2 nationallicence | |
| 690 | 7 | |a NPQ : nonphotochemical quenching |2 nationallicence | |
| 690 | 7 | |a Fv/Fm : maximum photochemical efficiency of PSII |2 nationallicence | |
| 690 | 7 | |a ROS : reactive oxygen species |2 nationallicence | |
| 690 | 7 | |a ΦII : effective quantum yield of PSII photochemistry |2 nationallicence | |
| 700 | 1 | |a Hassan |D I. |u Air Pollution Laboratory (APL), Centre of Excellence in Environmental Studies (CEES), King Abdulaziz University, P.O. Box 80216, 21589, Jeddah, Saudi Arabia |4 aut | |
| 700 | 1 | |a Abou Zeid |D H. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | |
| 700 | 1 | |a Taia |D W. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | |
| 700 | 1 | |a Haiba |D N. |u Department of Chemistry and Physics, Faculty of Education, Alexandria University, Alexandria, Egypt |4 aut | |
| 700 | 1 | |a Zahran |D A. |u Department of Evaluation of Natural Sources, Institute of Environmental Studies and Research, University of Sadat City, Sadat City, Egypt |4 aut | |
| 700 | 1 | |a Badr |D R. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | |
| 700 | 1 | |a El Dakak |D R. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | |
| 700 | 1 | |a Shalaby |D E. |u Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt |4 aut | |
| 773 | 0 | |t Photosynthetica |d The Institute of Experimental Biology of the Czech Academy of Sciences |g 53/1(2015-03-01), 157-160 |x 0300-3604 |q 53:1<157 |1 2015 |2 53 |o 11099 | |
| 856 | 4 | 0 | |u https://doi.org/10.1007/s11099-015-0090-9 |q text/html |z Onlinezugriff via DOI |
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| 950 | |B NATIONALLICENCE |P 856 |E 40 |u https://doi.org/10.1007/s11099-015-0090-9 |q text/html |z Onlinezugriff via DOI | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Hassan |D I. |u Air Pollution Laboratory (APL), Centre of Excellence in Environmental Studies (CEES), King Abdulaziz University, P.O. Box 80216, 21589, Jeddah, Saudi Arabia |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Abou Zeid |D H. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Taia |D W. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Haiba |D N. |u Department of Chemistry and Physics, Faculty of Education, Alexandria University, Alexandria, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Zahran |D A. |u Department of Evaluation of Natural Sources, Institute of Environmental Studies and Research, University of Sadat City, Sadat City, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Badr |D R. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a El Dakak |D R. |u Department of Botany, Faculty of Science, Alexandria University, 21526, El Shatby, Alexandria, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 700 |E 1- |a Shalaby |D E. |u Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt |4 aut | ||
| 950 | |B NATIONALLICENCE |P 773 |E 0- |t Photosynthetica |d The Institute of Experimental Biology of the Czech Academy of Sciences |g 53/1(2015-03-01), 157-160 |x 0300-3604 |q 53:1<157 |1 2015 |2 53 |o 11099 | ||