PJB-2023-384
MORPHOLOGICAL AND BIOCHEMICAL CHARACTERIZATION OF COMMON BEAN (Phaseolus vulgaris L.) FROM AZAD KASHMIR AND NORTHERN AREAS OF PAKISTAN
AHMAD MUHAMMAD YOUNIS
Abstract
Among the primary legumes, the common bean is one of the most important crops. This crop still has many landrace varieties that are farmed in various parts of the world. These landraces exhibit excellent climatic adaptation as well as pest and disease resistance. These landraces of beans continue to produce at high levels despite low input farming practices. This study's objective was to characterize this significant germplasm by morphological and biochemical analysis utilising 96 landraces that were gathered from Pakistan's northern regions and Azad Kashmir. The maximum positive and very significant association between seed production and seed weight was found using the correlation coefficient for morphological features (0.950**). The ratio of seeds per pod to pod length (0.950), seed weight (0.925), and yield (0.925) all showed positive and highly significant correlations. The relationship between pod width and seed weight and yield was found to be highly significant (0.611**). Leaf length and width were linked with yield (0.227* and 0.252*, respectively). Based on average linkage distance between genotypes, computed from morphological data, 19 genotypes have shown maximum variability. Cluster based on biochemical analysis depicted that maximum variability was shown by 27 genotypes. The antioxidant activity has shown maximum positive and highly significant correlation with moisture content (.733**), ascorbic acid (.425**), protein content (.878**) and crude fiber (.191**). These results suggest that common bean landraces are extremely valuable genetic resources to explicate the correlation among various morphological and biochemical traits.
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