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40 results on '"Schubert, S."'

1. PEP-Carboxylase Activity: A Comparison of its Role in a C4 and a C3 Species Under Salt Stress.

Author

Hatzig, S., Kumar, A., Neubert, A., and Schubert, S.

Subjects
CORN, WHEAT, EFFECT of salt on plants, EFFECT of stress on plants, PLANT physiology, PHOSPHOENOLPYRUVIC carboxylase
Abstract

In our experiments, we found an increase of PEP-carboxylase activity in young shoots of maize under salt stress. Within this study, several analyses were carried out to identify the function of this enhanced enzyme activity during salt stress. In our first experiment, we analysed plants of the salt-resistant maize hybrid SR 03 ( Zea mays L .), whereas in the second experiment, we compared maize and wheat ( Triticum aestivum L. cv. Thasos), which were grown under two different light intensities for 20 days. In the saline treatments, NaCl was applied up to 100 mm, while control plants grew under non-saline conditions (1 mm NaCl). Analyses of shoot fresh weight revealed a comparable reduction for both genotypes and suggested salt resistance at a similar level. Analyses of sugar concentrations showed an increase in the saline treatment for both genotypes independent of the light intensity. Results for sucrose concentrations led to the conclusion that an increase in PEP-carboxylase activity was not required for sugar metabolism. Independent of light intensity, alkalinity and malate concentrations were decreased only in wheat. It can be concluded that an enhancement of PEP-carboxylase activity in young shoots of maize supports organic acid metabolism under salt stress. [ABSTRACT FROM AUTHOR]

Published
2010
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2. Soil pH changes after application of plant shoot materials of faba bean and wheat

Author

Schubert, S. and Yan, F.

Subjects
WHEAT, FAVA bean, HYDROGEN-ion concentration, PLANTS
Abstract

In a soil incubation experiment, the effect of green material of faba bean (Vicia faba L.) and wheat (Triticum aestivum L.) on soil pH was compared. In comparison with control, the application of both plantmaterials caused a significant soil pH increase. The liming effect was higher for faba bean than for wheat. This difference in liming effect between the two plant species was closely related to their alkalinity concentration. In total, 82% of the alkalinity in faba bean and 96% of that in wheat were water-soluble. To elucidate possible factors responsible for the difference in liming effect, plant matter of wheat and faba bean was fractionated and organic anions were identified. The total concentration of identified organic anions was comparablefor both plant species. For wheat, over 80% of the alkalinity occurred in the form of simple organic anions with malate as the dominant one. In faba bean, only 40% of the alkalinity was identified as simpleorganic anions. About 40% of the alkalinity were related to macromolecules, possibly pectinates. Our data suggest that macromolecules such as pectinates may be mainly responsible for the greater liming effect of faba bean, as compared to wheat. [ABSTRACT FROM AUTHOR]

Published
2000

3. Better growth and phosphorus nutrition of sorghum and wheat following organic acid secreting crops

Author

Hocking, P. J., Randall, P. J., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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4. Phosphorus Efficiency of Wheat, Maize and Groundnut Grown in Low Phosphorus-Supplying Soil

Author

Bhadoria, P. B. S., Singh, S., Claassen, N., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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6. The use of nutrient-film technique for monitoring Al (Al citrate) effects on root development and nutrient uptake in roots of Triticum aestivum L.

Author

Postma, J. W. M., Keltjens, W. G., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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7. Wheat seedlings response to interactive effects of Cu and salinity

Author

El-Enany, A.E., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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8. Micronutrient sprays as a tool to increase tolerance of faba bean and wheat plants to salinity

Author

El Fouly, M. M., Zeinab, M. M., Zeinab, A. S., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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10. Interaction of salinity and boron toxicity in wheat (Triticum aestivum L.)

Author

Wimmer, M. A., Muehling, K. H., Läuchli, A., Brown, P. H., Goldbach, H. E., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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11. Interactive effects of plant hormones (GA3 or ABA) and salinity on growth and some metabolites of wheat seedlings

Author

Radi, A. F., Shaddad, M. A. K., El-Enany, A. E., Omran, F. M., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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12. Variability of soil water and nitrogen as causes of yield variability in heterogeneous fields

Author

Geesing, D., Gutser, R., Schmidhalter, U., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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13. Development of a non-contacting method for the determination of the plant water status

Author

Ruthenkolk, F., Gutser, R., Schmidhalter, U., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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14. Effect of fertiliser application on the growth and water use efficiency of wheat in semi-arid area in North China Plain

Author

Liu, M., Liu, H., Toshiaki, T., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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16. Avenues for increasing salt tolerance of crops

Author

Munns, R., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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17. Short term transport of iron and copper to various parts of wheat grains

Author

Garnett, T. P., Graham, R. D., Jenner, C. F., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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18. Physiological aspects of wheat genotypes differing in protein content

Author

Liu, X., Jin, J., Zhang, Q., Yang, S., Wang, G., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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19. The effect of split nitrogen application on grain protein concentration of wheat

Author

Lotfollahi, M., Malakouti, M. J., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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20. Mechanism of nitrogen release from roots of intact wheat plants (Triticum aestivum L.)

Author

Rroço, E., Kosegarten, H., Mengel, K., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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21. Allocation of 11C-labelld photosynthates in wheat plants

Author

Roeb, G. W., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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22. Overcoming wheat sterility problem with boron efficiency

Author

Rerkasem, B., Jamjod, S., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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23. Identification and interaction analysis of QTL for phosphorus use efficiency in wheat seedlings

Author

Weidong, C., Jizeng, J., Jiyun, J., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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24. Phosphorus (P) uptake efficiency of doubled haploid lines of spring wheat derived from parents with different P uptake efficiency

Author

Zhul, Y.-G., Smith, S. E., Howes, N. K., Smith, F. A., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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25. Field emissions of NH3 and NOx following urea application to wheat

Author

Weber, A., Gutser, R., Schmidhalter, U., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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26. Remote sensing of soil properties to support site specific farming

Author

Selige, T., Schmidhalter, U., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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27. Spatial variability of available phosphorus and site specific P fertilizer recommendations in a wheat field

Author

Karaman, M. R., Ersahin, S., Durak, A., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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28. Effects of Fe, Mn, Zn and Cu fertilization on the yield and grain quality of wheat in the calcareous soils of Iran

Author

Ziaeian, A. H., Malakouti, M. J., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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29. Manganese nutrition of wheat as affected by phosphorus and manganese application to a calcareous soil

Author

Karimian, N., Hashemi, S. M., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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30. Physiological and biochemical responses of two precocious varieties of wheat to phosphate rock and TSP fertilisation in semi-arid land

Author

Rahmoune, C., Maâlem, S., Redjel, F., Hioun, S., Bennaceur, M., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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31. Laser-induced chlorophyll fluorescence to determine the nitrogen status of plants

Author

Bredemeier, C., Schmidhalter, U., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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32. Effect of water stress on chlorophyll meter readings in winter wheat

Author

Barraclough, P. B., Kyte, J., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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33. The use of associative diazotrophs with different rates of N fertilisation and compost to enhance N2 fixation and growth of wheat

Author

Safwat, M. S. A., El-Mohandes, M. A. O., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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34. Precision agriculture: A challenge for crop nutrition management

Author

Robert, P. C., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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35. Influence of growth-promoting bacteria from Uzbekistan and Germany on the growth and nutrient uptake of cotton and wheat on different soils

Author

Egamberdiyeva, D., Davranov, K. D., Höflich, G., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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36. Nitrogen release of wheat roots grown under semi-sterile in comparison to unsterile conditions

Author

Deubel, A., Richert, M., Merbach, W., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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37. Stimulation of wheat growth and N fixation through Azospirillum and Rhizobium inoculation: A field trial with 15N techniques

Author

Galal, Y. G. M., El-Ghandour, I. A., El-Akel, E. A., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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38. Survival of Azotobacter chroococcum in the rhizosphere of three different wheat crosses: Effect of AM fungi

Author

Sharma, H., Kumar, V., Behl, R. Kumar, Narula, N., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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39. The expression of the endogenous vacuolar Na+/H+ antiporters in roots and shoots correlates positively with the salt resistance of wheat (Triticum aestivum L.)

Author

Saqib, M., Zörb, C., Rengel, Z., and Schubert, S.

Subjects
*WHEAT, *CYTOPLASM, *CELLS, *PROTOPLASM
Abstract

Abstract: Among the most common effects of salinity is the growth inhibition by Na+ toxicity. Vacuolar Na+/H+ antiporters have been suggested to be involved in sequestering Na+ into vacuoles, thus preventing toxic effects of Na+ in the cytoplasm. This study reports how the expression of endogenous vacuolar Na+/H+ antiporters relates to the salt resistance of two wheat (Triticum aestivum L.) genotypes that differ in Na+ translocation from root to the shoot and Na+ accumulation in the young and old leaves. The genotype SARC-1 having the lowest root-to-shoot Na+ translocation was the most salt-resistant in terms of absolute and relative shoot fresh weight production. However, compared to the salt-sensitive wheat genotype 7-Cerros, the salt-resistant genotype SARC-1 showed a significantly higher Na+ concentration in young leaves, a similar Na+ concentration in medium leaves and a significantly lower Na+ concentration in the old leaves. The expression of endogenous vacuolar Na+/H+ antiporters in roots and shoots was significantly higher in the salt-resistant genotype SARC-1 than in the salt-sensitive genotype 7-Cerros. However, within a genotype there was little difference in the expression of vacuolar Na+/H+ antiporters between shoots and roots, and between cortical and stelar root parts. It is suggested that the higher expression of endogenous vacuolar Na+/H+ antiporters in roots and shoots of the salt-resistant wheat genotype SARC-1 facilitated Na+ exclusion from the cytoplasm of its shoot cells and improved its salt resistance. [Copyright &y& Elsevier]

Published
2005
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40. Fluid fertilisers — An efficient source of P for calcareous soils

Author

Holloway, R. E., Bertrand, I., Frischke, A. J., Brace, D. M., McLaughlin, M. J., Shepperd, W., Graham, R. D., Horst, W. J., editor, Schenk, M. K., editor, Bürkert, A., editor, Claassen, N., editor, Flessa, H., editor, Frommer, W. B., editor, Goldbach, H., editor, Olfs, H. -W., editor, Römheld, V., editor, Sattelmacher, B., editor, Schmidhalter, U., editor, Schubert, S., editor, v. Wirén, N., editor, and Wittenmayer, L., editor

Published
2001
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