1Department of Plant Molecular Biology and Biotechnology, Rajmata Vijayaraje Scindia Krishi Vishwavidyalaya, College of Agriculture, Gwalior-474 011, Madhya Pradesh, India
2National Institute of Plant Genomic Resources, New Delhi-110 067, India
3Rani Laxmibai Central Agricultural University, Jhansi-284 003, Uttar Pradesh, India
*Corresponding Author: Sushma Tiwari, Department of Plant Molecular Biology and Biotechnology, Rajmata Vijayaraje Scindia Krishi Vishwavidyalaya, College of Agriculture, Gwalior-474 011, Madhya Pradesh, India, Email: sushma2540@gmail.com
Online Published on 01 December, 2023.
Groundnut (Arachis hypogaea L.) is one of the most nutritious crops having versatile use. Its yield is mostly exaggerated by two foliar fungal diseases i.e., early and late leaf spot. In present investigation 96 germplasm lines were screened for early and late leaf spot diseases along with diverse biochemical parameters including protein, oil, fatty acids, proline and sugar contents.
Early and late leaf spot diseases have been screened under field condition as well as employing SSR molecular markers. Nutritional profiling has also been done for protein, oil, fatty acids viz., oleic acid, linoleic acid, stearic acid and palmitic acid, proline and sugar contents.
In correlation analysis, oleic acid is negatively correlated with linoleic acid (r= -0.911) and palmitic acid (r= -0.688) at 1% level of significance, whereas stearic acid is positively and highly significantly correlated with oil percentage (r= 0. 0.381) at 1% significance level. The gene diversity value varied between 0.1866 to 0.4837 for markers ipahm103 and GM1536 with an average of 0.4014 and polymorphic information content (PIC) values ranged between 0.1692 to 0.3855 for the markers pahm103 to GM1536 respectively with a mean value of 0.3183.
Early and late leaf spot, Groundnut, Linoleic acid, MAS, Oleic acid, Proline
