Rice is an important staple food crop in the world. With increase in climate change rice production is getting affected and reduces the yield and production, increasing the yield production is necessary to meet the demand by the population. Understanding the genetic diversity of rice genotypes is crucial for enhancing breeding programs and improving agricultural productivity. The present study was investigated on the genotypic variation in flowering time, total grains, and yield attributes in diverse genotypes of Rice. The objective was to gain insights into the phenotypic traits of these genotypes and provide a traits for future breeding efforts. Flowering time was assessed by recording the number of days to 50% flowering, revealing a wide range of flowering duration between 60 to 80 days after sowing. Total grain production per panicle was examined between 20 and 40 days after flowering, with genotypes displaying significant variation in grain counts. Filling of grains in the panicle increased with maturity, while the number of unfilled grains decreased. The study also analyzed other agronomic traits, including the number of tillers per hill, 100 grains weight, and panicle length. Genotypes exhibited diverse tillering patterns, with 7 to 8 tillers being predominant. The weight of 100 grains ranged from 2.0 to 2.5 grams, while panicle length varied within the 24 to 28 cm range. This investigation provides valuable insights into the genotypic diversity of rice, enabling future breeding strategies focused on improving flowering time, grain production, and other important agronomic traits to enhance crop productivity and sustainability.

Flowering, grain production, genotypic diversity, Rice, yield attributes

In conclusion, the assessment of diverse rice genotypes for various agronomic traits revealed significant variation within the population. The genotypes exhibited diverse flowering times, productive tiller numbers, panicle lengths, and grain characteristics such as filled and unfilled grains, total grains per panicle, and 100 grains weight. These findings indicated the presence of genetic diversity in the studied traits, highlighting the potential for selecting genotypes with desirable agronomic traits. The results revealed valuable insights for rice breeding programs aimed at improving yield potential and grain quality. Further research and selection of genotypes with favorable traits can contribute to the development of high-yielding and superior rice varieties.

Repudi Shalem Raju, Prashantkumar S. Hanjagi, Chittaranjan Sahoo, Sushma M. Awaji, K.C. Samal, B.N. Devanna and Manasi Dash (2022). Characterizing Genotypic Diversity: Flowering pattern, Grain Yield and Yield Attributes in Rice for Crop Improvement. Biological Forum – An International Journal, 14(4a): 733-738.