Improvement of oil content in groundnut (Arachis hypogaea L.) by the impacts of gamma irradiation
2023
G Aswini | D Arulbalachandran | S Latha | G Selvakumar
Gamma radiation dosages of 100, 200, 300, 400, 500 and 600 Gy were given to the groundnut seed variety Dharani (Arachis hypogaea L.). The study's goal was to look at genetic diversity, heritability and genetic advancement for seed yield and quality characteristics in M2 generation using only a Randomized Complete Block Experiment using 3 replications from 2018 to 2019. The article's outcomes significantly enhanced the oil content of groundnut at 400 Gy to 52.44 % as compared to other dosages. For all characteristics, treated seeds displayed more variance than control seeds, particularly seed yield per plant showing the highest in GCV, PCV, H2, GA and GAM. In most traits, 400 Gy of gamma-ray treatment generates the largest changes however, 600 Gy of gamma-ray treatment also creates equivalent conditions. The link between features demonstrated that the number of pods per plant had a significant role in rationalizing seed yield variance in the M2 generation. These findings show that this yield component is one of the most important predictors of pod yield variations among plants and it is also favorably impacted by irradiation mutagens (gamma rays).
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