Going north: adaptation of soybean to long-day environments.

Keywords: Flowering time regulation; maturity; photoperiod; soybean; stem termination EN Flowering time regulation maturity photoperiod soybean stem termination 2933 2936 4 05/23/23 20230519 NES 230519 In high latitude environments, proper timing of the reproductive cycle is the most important feature of environmental adaptation in annual flowering plants to reach maturity and viable seed development before killing frost occurs. In contrast to late maturity genotypes, the semi-determinate ( I Dt2 i ) stem growth character is more often utilized in early maturity soybeans (MG III to 000), as indicated by the rather frequent occurrence of the I Dt2 i allele in the re-sequenced panel published here ([21]). Flowering time regulation, maturity, photoperiod, soybean, stem termination Soybean plant architecture is controlled by stem termination and flowering time A MADS-box transcription factor is modulating semi-determinate versus indeterminate soybean stem termination (locus I Dt2 i in genotypes with I Dt1 i background). [Extracted from the article]