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Inheritance of antioxidant enzyme activities and pigment content during wheat maturation



Inheritance of antioxidant enzyme activities and pigment content during wheat maturation



Journal of Genetics and Breeding 47(3): 259-262



Determinations were made of superoxide-dismutase, catalase and peroxidase activities and chlorophyll and carotenoid content in 21-days old leaves and in leaves from plants at tillering stage of genetically divergent Triticum aestivum genotypes including five parents and 10 F-1 hybrids. The measurements indicated that enzyme activities and pigment contents changed during maturation. Superoxide-dismutase, peroxidase and catalase activities were high in 2 1 -days old wheat leaves compared to leaves at tillering stage. Chlorophyll a content increased during maturation, whereas chloropyll b and carotenoid content decreased. The inheritance of enzyme activities was mostly under the control of non-additive genes. Moreover in most F-1 hybrids positive or negative heterosis for pigment content occurred.

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Accession: 008874348

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