Performance of some early-maturing groundnut (Arachis hypogaea L.) genotypes and selection of high-yielding genotypes in the potato-fallow system

Abstract

India imports the most edible oils because domestic demand exceeds production. Horizontally expanding groundnut production in non-traditional areas especially in the potato-paddy rice-fallow system is possible for increasing production and it requires trait-specific cultivars. Only 1% of oilseeds are grown in non-traditional regions. Nine interspecific groundnut derivatives were tested in potato-fallow system at Deesa, Gujarat, and Mohanpura, West Bengal, and non-potato fallow areas in Junagadh during Kharif 2020 to examine their performance and adaptability. Genotype-by-environment (G×E) interaction significantly affected pod yield and its components in the combined ANOVA. "Mean vs. stability" showed that the interspecific derivative NRCGCS 446 and variety TAG 24 were the most stable and valuable genotypes. GG 7 yielded more pods in Junagadh, whereas NRCGCS 254 yielded more in Mohanpur. Low heritability estimates and strong G×E interaction for flowering days showed complicated inheritance and environmental effects. The shelling percentage was significantly correlated with days to 50% blooming, days to maturity, SCMR, HPW, and KLWR, demonstrating negative connections between maturity, component characteristics, and seed size realisation.

Validation of Groundnut (Arachis hypogaea L.) Mini-core Genotypes for Phenotypic Extremities along with LLS Resistance Through Genetic and Molecular Intervention

“…Though LLS is normally managed by application of fungicides, yet the incorporation of host resistance gene in susceptible cultivar has always been an eco-friendly and sustainable approach in crop improvement (Wankhade et al, 2021). Plant breeders exploit the genetic diversity to choose superior genotypes with the estimation of heritability because of good indicator of transmission of traits from parents to progeny (Gangadhara et al, 2023).…”