Construction of a genetic linkage map and QTL mapping of fruit quality traits in guava ( L.).

Guava ( L.) is an important fruit crop of the Indian sub-continent, with potential for improvements in quality and yield. The goal of the present study was to construct a genetic linkage map in an intraspecific cross between the elite cultivar 'Allahabad Safeda' and the Purple Guava landrace to identify the genomic regions responsible for important fruit quality traits, viz.

Construction of Genetic Linkage Map and Mapping QTL Specific to Leaf Anthocyanin Colouration in Mapping Population 'Allahabad Safeda' × 'Purple Guava (Local)' of Guava ( L.).

In the present investigation, F1 hybrids were developed in guava ( L.) by crossing high leaf-anthocyanin reflective-index (1) content cultivars purple guava (local) 'PG', 'CISH G-1' and low leaf-1 content cultivar Seedless 'SL' with Allahabad Safeda 'AS'. On the basis of phenotypic observations, high 1 content was observed in the cross 'AS' × 'PG' (0.