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Chilling tolerance of 20 maize inbred lines and frost tolerance of four genotypes of barley and eight genotypes of wheat was measured independently by electrolyte leakage (EL), by estimation of necrotic injury (NI) or plant survival (SR) and by measurement of chlorophyll a fluorescence (quantum efficiency of PS II electron transport, ФpsII). The objective of the experiments was to determine the reliability...
In a previous study (Dörffling et al., J. Plant Physiol. 142, 222–225, 1993) in vitro-selection and regeneration of hydroxyproline (Hyp)-resistant lines of winter wheat (Triticum aestivum cv. Jo 3063) with increased frost tolerance and increased proline contents was reported. In this study the heritability of these traits was investigated. The F 1progenies derived from the pollination of regenerated...
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