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Inheritance of tolerance to leaf iron deficiency chlorosis in tomato

Dasgan, H. Yıldız and Abak, Kazım and Çakmak, İsmail and Römheld, Volker and Şensoy, Suat (2004) Inheritance of tolerance to leaf iron deficiency chlorosis in tomato. Euphytica, 139 (1). pp. 51-57. ISSN 0014-2336 (Print) 1573-5060 (Online)

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Official URL: http://dx.doi.org/10.1007/s10681-004-2033-6

Abstract

By using two tomato genotypes, "227/1" (Fe chlorosis susceptible) and "Roza" (Fe chlorosis tolerant), and their reciprocal F-1, F-2 and BC1 generations, the inheritance of tolerance to leaf Fe deficiency chlorosis of Roza was studied. Plants were grown in a nutrient solution and subjected to 2.0 x 10(-6) M Fe EDDHA and 10 mM NaHCO3 to induce Fe deficiency stress by stabilization of pH to 7.8-8.2. A rating scale of 1-3 for chlorophyll was used and both monogenic and polygenic inheritance hypotheses were tested. Better responses to Fe deficiency, as measured by SPAD meter values, were obtained from the cross "Roza x 227/1" than from the reciprocal cross. Data from F-2 and BC1 suggest Fe chlorosis tolerance of Roza is to be controlled by polygenic loci with a relatively high additive effect.

Item Type:Article
Uncontrolled Keywords:inheritance; iron deficiency; iron efficiency; Lycopersicon esculentum; tolerance
Subjects:UNSPECIFIED
ID Code:465
Deposited By:İsmail Çakmak
Deposited On:11 Jan 2005 02:00
Last Modified:25 May 2011 14:14

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