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<p>Soybean is a short-day crop and the long-duration variety takes 120 days for maturity. A protocol for rapid generation advancement in soybean breeding is worthwhile keeping in view its utility. The study emphasizes standardisation of physical conditions, especially using warm white and cool white light-emitting diodes to hasten flowering and pod setting in soybean (DS9712 genotype). Complete open flowers were obtained with a 16&#xa0;L/8D (dark/light) photoperiod in 30 days. The results also highlighted the application of interventions of physical conditions and inputs, especially during the reproductive phase to shorten the seed-to-seed generation time by around 15 days in a low-cost method for soybean breeding. Breeding will be revolutionised in case economic speed breeding is combined with modern breeding technologies, thereby resulting in more generations per year.</p> Graphical Abstract <p></p>

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Photoperiod-mediated rapid generation advancement in soybean (Glycine max (L.) Merr.)

  • 期刊论文

  • 发表日期：

    2025年3月19日

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  • Ambika Rajendran,
  • Ayyagari Ramlal,
  • Dhandapani Raju,
  • Manisha Saini,
  • Pinkal Bishnoi,
  • Sreeramanan Subramaniam

摘要

Soybean is a short-day crop and the long-duration variety takes 120 days for maturity. A protocol for rapid generation advancement in soybean breeding is worthwhile keeping in view its utility. The study emphasizes standardisation of physical conditions, especially using warm white and cool white light-emitting diodes to hasten flowering and pod setting in soybean (DS9712 genotype). Complete open flowers were obtained with a 16 L/8D (dark/light) photoperiod in 30 days. The results also highlighted the application of interventions of physical conditions and inputs, especially during the reproductive phase to shorten the seed-to-seed generation time by around 15 days in a low-cost method for soybean breeding. Breeding will be revolutionised in case economic speed breeding is combined with modern breeding technologies, thereby resulting in more generations per year.

Graphical Abstract