Journal of Vegetables Sciences

Journal of Vegetables Sciences

The Effect of Different Concentrations of Nutrient Solution Nitrogen and Root Temperature on Stress Indices in Lettuce and Bell Pepper

Document Type : Original Article

Authors
Atena Sheibani-Rad 1
Maryam Haghighi 2
1 M.Sc. Student, Department of Horticulture, College of Agriculture, Isfahan University of Technology, Isfahan, Iran.
2 Assistant Professor, Department of Horticulture, College of Agriculture, Isfahan University of Technology, Isfahan, Iran.
10.22034/iuvs.2015.15349
Abstract
In this study, the reaction of two lettuce plants as a leafy vegetable with superficial root system and bell pepper as a fruit vegetable and deep root system to high temperature in the root area at different concentrations of nutrient solution nitrogen was investigated. Nutritional treatments included 101.1, 75.8 and 50.5 mM Johnson nutrient solution and two root temperatures of 25 and 35 ° C. The results showed that in stress conditions, as the stress resistance index decreases, the plant resistance to stress increases. Also, the higher the STI stress tolerance index, mean MP yield, TOL resistance index and YSI yield stability index, the better the plant tolerates stress conditions. Lettuce was more resistant to root temperature and bell pepper to changes in nitrogen concentration of nutrient solution.
Keywords
High temperature root
Stress resistance index
Nitrogen deficiency
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  • Bunn, R., Lekberg, Y. & Zabinski, C. (2009). Arbuscular mycorrhizal fungi ameliorate temperature stress in thermophilic plants. Ecology, 90(5), 1378-1388.‏
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  • Farshadfar, E. & Sutka, J. (2003). Multivariate analysis of drought tolerance in wheat substitution lines. Cereal Research Communications, 31(1), 33-40.‏
  • Fernandez, G. C. (1992). Effective selection criteria for assessing plant stress tolerance. In Proceeding of the International Symposium on Adaptation of Vegetables and other Food Crops in Temperature and Water Stress, Aug. 13-16, Shanhua, Taiwan, 1992 (pp. 257-270).‏
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  • Fischer, R. A., Rees, D., Sayre, K. D., Lu, Z. M., Condon, A. G. & Saavedra, A. L. (1998). Wheat yield progress associated with higher stomatal conductance and photosynthetic rate, and cooler canopies. Crop Science, 38(6), 1467-1475.‏
  • Gavuzzi, P., Rizza, F., Palumbo, M., Campanile, R. G., Ricciardi, G. L. & Borghi, B. (1997). Evaluation of field and laboratory predictors of drought and heat tolerance in winter cereals. Canadian Journal of Plant Science, 77(4), 523-531.‏
  • Guo, P. & Al-Khatib, K. (2003). Temperature effects on germination and growth of redroot pigweed (Amaranthus retroflexus), Palmer amaranth (A. palmeri), and common waterhemp (A. rudis). Weed Science, 51(6), 869-875.‏
  • Hall, A. E. (1993). Is dehydration tolerance relevant to genotypic difference in leaf senescence and crop adaption to dry environments?. Current topics in plant physiology (USA).‏
  • Lan, J. (1998). Comparison of evaluating methods for agronomic drought resistance in crops. Acta Agriculturae Boreali-occidentalis Sinica, 7, 85-87.‏
  • Lawlor, D. W. (2002). Carbon and nitrogen assimilation in relation to yield: mechanisms are the key to understanding production systems. Journal of experimental Botany, 53(370), 773-787.‏
  • Mousavi, S. S., YAZDI, S. B., Naghavi, M. R., Zali, A. A., Dashti, H., & Pourshahbazi, A. (2008). Introduction of new indices to identify relative drought tolerance and resistance in wheat genotypes.‏ Desert, 12, 165-178.
  • Nada, K., He, L. X. & Tachibana, S. (2003). Impaired photosynthesis in cucumber (Cucumis sativus L.) by high root-zone temperature involves ABA-induced stomatal closure and reduction in ribulose-1, 5-bisphosphate carboxylase/oxygenase activity. Journal of the Japanese Society for Horticultural Science, 72(6), 504-510.‏
  • Rochiman, K. & Purnobasuki, H. (2013). Effect of nitrogen supply and genotypic variation for nitrogen use efficiency in maize. Journal of Experimental Agriculture International, 182-199.‏
  • Rosielle, A. A. & Hamblin, J. (1981). Theoretical aspects of selection for yield in stress and non‐stress environment 1. Crop Science, 21(6), 943-946.‏
  • Wu, Q. S. & Zou, Y. N. (2010). Beneficial roles of arbuscular mycorrhizas in citrus seedlings at temperature stress. Scientia Horticulturae, 125(3), 289-293.‏
  • Zhang, W., Jiang, B., Li, W., Song, H., Yu, Y. & Chen, J. (2009). Polyamines enhance chilling tolerance of cucumber (Cucumis sativus L.) through modulating antioxidative system. Scientia Horticulturae, 122(2), 200-208.‏
  • perature stress. Scientia Horticulturae, 125(3), 289-293.‏
  • Zhang, W., Jiang, B., Li, W., Song, H., Yu, Y. & Chen, J. (2009). Polyamines enhance chilling tolerance of cucumber (Cucumis sativus L.) through modulating antioxidative system. Scientia Horticulturae, 122(2), 200-208.‏

  • Receive Date 05 December 2015