Author(s): Aniket S Shinde, Dattatray B Lad, Anju A Bhagat and Trushna D Katore

Abstract: The experiment was conducted in Randomized Block Design with three replications at Zonal Agriculture Research Station, Ganeshkhind, Pune during Kharif season (2023) for the evaluation of seed yield stability of 16 soybean genotypes over three sowing dates viz., June, 15 (E1), July, 5 (E2) and July, 25 (E3). The study revealed that environmental variance was exhibited significant influence on most of the traits, indicating its strong role in character expression. The stability assessment highlighted that genotypes DS 228 (days to 50% flowering and days to maturity), JS 9305 (days to 50% flowering and plant height), DS 1510 (days to maturity and no. of primary branches), DS 1529 (pod length), JS 2425 (plant height), NRC 257 (plant height), KDS 344 (plant height), RSC 1172 (plant height), KDS 726 (plant height), Auks 212 (plant spread), AS 55 (pod length), JS 335 (pod length, no. of seed per pod and protein content), KDS 753 (100-seed weight) exhibited average stability, thus suitable for all three environments. The genotypes JS 2425 (Day to 50% flowering), KDS 344 (no. of pods per plant) and KDS 992 (protein content) exhibited below average stability indicated their suitability for favourable environment. The genotypes KDS 726 (number of primary branches and number seed per pod), DS 1529 (no. of seed per pod), DS 228 (no. of seed per pod), NRC 259 (no. of seed per pod), KDS 992 (no. of seed per pod) and KDS 753(no. of seed per pod) demonstrated above average stability indicated their suitability for stress environments.

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