Agro-morphological characterization of a total of 2,879 rice germplasm accessions was conducted during 2023. This large-scale evaluation aimed to document phenotypic variability among accessions for Nineteen qualitative agro-morphological traits following standard descriptors, wi...
Open access
Research Article10.9734/jeai/2025/v47i63510
Genetic variability parameters were studied in 2879 germplasm accessions of rice for 11 quantitative traits. Moderate value of genotypic coefficient of variation (GCV) and phenotypic coefficient variation (PCV) was observed for the traits, 100 seed weight, seedling height, L:B ra...
Open access
Research Article10.9734/ijpss/2024/v36i34411
Developing high-yielding rice varieties is paramount. This study explores heterosis (hybrid vigor), the phenomenon where hybrid offspring exhibit superior phenotypic performance compared to their parents. The present study evaluated 20 F1’s derived from five CMS lines and four te...
Open access
Research Article10.9734/jeai/2025/v47i83694
Rice (Oryza sativa L.) is a staple crop critical for global food security. Enhancing grain yield requires an in-depth understanding of trait associations and their direct and indirect effects. This study evaluates 46 advanced breeding lines including five check varieties of rice...
Open access
Research Article10.9734/jabb/2025/v28i32105
The present study was undertaken to study the extent of genetic variability, character association and path analysis in 53 irrigated late duration breeding lines for 12 quantitative and 10 quality parameters. Analysis of variance revealed the presence of significant variation amo...
Open access
Research Article10.9734/ijpss/2021/v33i2030638
Rice (Oryza sativa L.) is the primary staple food for more than half of the world's population, making the development of high-yielding cultivars essential for global food security. The present study evaluated genetic variability, heritability, genetic advance, character associat...
Open access
Research Article10.9734/jabb/2026/v29i84251
Genetic variability and diversity are crucial for enhancing yield and grain quality in rice (Oryza sativa L.). A field experiment was conducted during Kharif, 2023 at the Research cum Instructional Farm, Department of Genetics and Plant Breeding, College of Agriculture, IGKV, Rai...
Open access
Research Article10.9734/jabb/2025/v28i42167
In this study, fifty-five rice germplasm accessions were used along with five checks, namely IR64, Swarna, Jaya, DRR Dhan 42 and MTU1010, for evaluating genetic variability, heritability and genetic advance during kharif 2023. The analysis of variance revealed extremely large gen...
Open access
Research Article10.9734/jabb/2025/v28i11927
This study aimed to investigate the correlations among yield and yield component traits and estimate the direct and indirect effects of these traits on grain yield in rice. The experiment was conducted during kharif 2022. Correlation coefficients and path coefficients were analyz...
Open access
Research Article10.9734/ijpss/2023/v35i183271
The present study aims to investigate the genetic inheritance of resistance to bacterial leaf blight (BLB) in rice by analyzing the segregation of major resistance genes viz. xa5, xa13, and Xa21 in two specific crosses. BLB, caused by Xanthomonasoryzae pv. oryzae (Xoo), is a sign...
Open access
Research Article10.9734/jabb/2024/v27i101433
Water-deficit stress tolerance in rice is important for maintaining stable yield, especially under rain-fed ecosystem. After a thorough drought-tolerance screening of 200 rice genotypes from DBT, Network Rice Project in our previous study, 19 rice lines were selected for drought...
Open access
Research Article10.9734/jabb/2024/v27i3719