Vol. 12, Issue 9 (2023)

Author(s):
Asha Bandhe, Prabharani Chaudhari, Sunil Kumar Nair and Deepak Gauraha

Abstract:
Study evaluating fifty-five genotypes was conducted at the Instructional Cum Research Farm, Department of Genetics and Plant breeding, IGKV, Raipur, Chhattisgarh, with the goal of determining the degree of relationship between yield and its constituent characteristics, as well as their direct and indirect impacts on grain yield in narrow grain rice. According to the findings of the correlation studies, there is a positive correlation between Days to 50 percent flowering and plant height, leaf length, harvest index, leaf width, flag leaf length, plant height, total number of tillers per plant, and panicle length. The highest positive and direct benefits are produced by grain yield per plant, which is followed by harvest index, total tillers, leaf length, days to 50 percent flower, and grain length. Days to fifty percent flower have negative indirect effects through total number of effective tillers, leaf length, leaf width, and grain L/B ratio. Panicle length showed positive correlation with grain yield per plant due to indirect effects of days to 50 percent flowering, leaf width, total number of tillers, harvest index, 100 seed weight, grain length, grain width, harvest index, and grain L/B ration.