References

Altinkut, A., K. Kazan, Z. Ipekci and N. Gozukirmizi, 2001. Tolerance to paraquat is correlated with the traits associated with water stress tolerance in segregating F₂ populations of barley and wheat. Euphytica, 121: 81-86.
CrossRef  |  Direct Link  |  

Aydın, M., M Kalaycı, M. Keser, F. Altay and H. Ekiz et al., 1999. Seedling stage drought resistance of some wheat genotypes grown under Central Anatolian conditions. Proceedings of Cereal Symposium 7th session: Cereal Physiology, June 8-11, 1999, Konya, Turkey, pp: 337-348.

Babar, M.A., M.P. Reynolds, M. Ginkel , A.R. Klat, W.R. Raun and M.L. Stone, 2006. Spectral reflectance to estimate genetic variation for in season biomass leaf chlorophyll and canopy temperature in wheat. Crop Sci., 46: 1046-1057.
Direct Link  |  

Bulut, S., 2009. Effects of different manure sources and seeding rates on plant growth, yield and quality of organic wheat. Ph.D.Thesis, Ataturk University, Graduate School of Natural and Applied Sciences, Department of Field Crops, Erzurum.

Cakmak, I., 1994. Activity of ascorbate-dependent H₂O₂-scavenging enzymes and leaf chlorosis are enhanced in magnesium- and potassium-deficient leaves, but not in phosphorus-deficient leaves. J. Exp. Bot., 45: 1259-1266.
CrossRef  |  

Cakmak, I., D. Strbac and H. Marschner 1993. Activities of hydrogen peroxide scavenging enzymes in germinating wheat seeds. J. Exp. Bot., 44: 127-132.
CrossRef  |  Direct Link  |  

Campbell, R.J., K.N. Mobley, R.P. Marini and D.G. Pfeiffer, 1990. Growing conditions alter the relationship between SPAD-501 values and apple leaf chlorophyll. Hortscience, 25: 330-331.
Direct Link  |  

Dhanda, S.S., G.S. Sethi and R.K. Behl, 2004. Indices of drought tolerence in wheat genotypes at early stages of plant growth. J. Agron. Crop Sci., 190: 6-12.
CrossRef  |  

Dodge, A.D., 1971. The mode of action of the dibrydylium herbicides, paraquat and diquat. Endeavour, 30: 130-135.

Ekmekci, Y. and S. Terzioglu, 2005. Effects of oxidative stres induced by paraquat on wild and cultivated wheats. Pest. Biochem. Physiol., 83: 69-81.
CrossRef  |  

Fois, S., R. Motzo and F. Giunta, 2009. The effect of nitrogenous fertilizer application on leaf traits in durum wheat in relation to gain yield and development. Field Crops Res., 110: 69-75.
CrossRef  |  Direct Link  |  

Foyer, C.H., P. Des Courvieres and K.J. Kunert, 1994. Protection against radicals: An important defense mechanism studied in transgenic plants. Plant Cell Environ., 17: 507-523.

Gavuzzi, P., F. Rizza, M. Palumbo, R.G. Campanila, G.L. Ricciardi and B. Borghi, 1997. Evaluation of field and laboratory predictors of drought and heat tolerance in winter cereals. Can. J. Plant Sci., 77: 523-531.
CrossRef  |  Direct Link  |  

Giunta, F., R. Motzo and M. Deidda, 2002. SPAD readings and associated leaf traits in durum wheat, barley and triticale cultivars. Euphytica, 125: 197-205.
CrossRef  |  

Jamaux, I., A. Steinmetz and E. Belhassen, 1997. Looking for molecular and physiological markers of osmotic adjustment in sunflower. New Phytol., 137: 117-127.
Direct Link  |  

Lopez-Bellido, R.J., C.E. Shepherd and P.B. Barraclough, 2004. Predicting post-anthesis N requirements of bread wheat with a Minolta SPAD meter. Eur. J. Agron., 20: 313-320.
CrossRef  |  

Moran, J.F., M. Becana, I. Iturbe-Ormaetxe, S. Frechilla, R.V. Klucas and P. Aparicio-Tejo, 1994. Drought induces oxidative stress in pea plants. Planta, 194: 346-352.
CrossRef  |  

Shaper, H. and E.K. Chacko, 1991. Relation between extarctable chlorophyll and portable chlorophyll meter reading in leaves of 8 tropical and subtropical fruit-tree species. J. Plant Phsiol., 138: 674-677.

Singh, B., Y. Singh, J.K. Ladha, K.F. Bronson, V. Balasubramanian, J. Singh and C.S. Khind, 2002. Chlorophyll meter-and leaf color chart-based nitrogen management for rice and wheat in Northwestern India. Agron. J., 94: 821-829.
Direct Link  |  

Smirnoff, N. and S.V. Colombe, 1988. Drought influences the activity of enzymes of the chloroplast hydrogen peroxide scavenging system. J. Bot., 39: 1097-1108.
CrossRef  |  Direct Link  |  

Tabaeizadeh, Z., 1998. Drought-induced responses in plant cells. Int. Rev. Cytol., 182: 193-242.
PubMed  |  

Yadawa, U.L., 1986. A rapid and nondestructive method to determine chlorophyll in intact leaves. HortScience, 21: 1449-1450.
Direct Link  |