Comparative root phenotyping unveils key insights into the root system architecture of buckwheat (Fagopyrum sp.) species, a valuable crop of western Himalayan Kashmir
Diksha Singh | Jebi Sudan | Aaqif Zaffar | Zafir Naik | M. Ashraf Bhat | Asif B. Shikari | Bhagyashree Dhekale | Parvaze Ahmad Sofi | Sajad Majeed Zargar
Abstract Buckwheat is an important nutritional and nutraceutical crop; however, owing to its low yield and productivity, its potential has not been harnessed on account of its cultivation in low-input marginal farming systems, where its productivity is limited by various abiotic stresses, including water stress. Roots play a critical role in plant growth, development, and tolerance to drought stress. The present study was the first comprehensive attempt to understand the root system architecture (RSA) of buckwheat using root morphology and in-depth features of RSA through root scanning. A total of 117 diverse genotypes of buckwheat, comprising both common and Tartary buckwheat, were cultivated in polyvinyl chloride columns in the greenhouse. The study revealed substantial variability for all the root and shoot traits of buckwheat. Comparative analysis indicated that Tartary buckwheat has better root features compared to common buckwheat. The correlation analysis showed the surface area, medium root length, and medium root volume were positively correlated and branching frequency and root shoot ratio were negatively correlated. The study identified potential genotypes with robust RSA that can be used for the development of climate-resilient buckwheat varieties.
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