Researchers Yield New Study Findings on Agriculture

Strategic Insights -

In a significant breakthrough in agriculture, a team of researchers from Shahed University in Tehran, Iran, has discovered a novel way to improve seed germination of the desert plant bitter apple (Citrullus colocynthis). The study, led by Nasir ABADDAR and published in Acta Agriculturae Slovenica, found that gibberellic acid (GA3) at a concentration of 100 ppm, under specific diurnal temperature and light regimes, can significantly enhance seed germination parameters.

Key Takeaways:

  • The study investigated physical and chemical treatments to improve C. colocynthis seed germination using a completely randomized design with factorial arrangement and three replications.
  • The researchers found that gibberellic acid (GA3) at concentrations of 0, 10, 50, 100, and 150 ppm, under four diurnal temperature and light (TL) regimes, had a significant impact on germination parameters.
  • The highest germination percentage, relative germination percentage, mean daily germination, germination index, germination value, and seedling dry mass were achieved with 100 ppm GA3 under the 35-15°C regime.
  • The study concluded that average germination speed, germination time variation coefficient, germination speed coefficient, and synchronization index were unreliable for assessing seed quality under low germination conditions.
  • The researchers suggested that physiological dormancy in Bitter Apple seeds may stem from embryo immaturity, inhibitory factors, or both.

Statistics:

  • 100 ppm GA3 under the 35-15°C regime resulted in the highest germination percentage (73.42%).
  • The highest relative germination percentage was achieved under the same conditions (81.15%).
  • The mean daily germination was significantly increased with 100 ppm GA3 under the 35-15°C regime (27.77%).
  • The study found a significant interaction between TL regime and GA3 on germination parameters (p < 0.01).

Sources:

  • "Optimizing Germination Protocols for Citrullus colocynthis: A Study on Seed Dormancy Breakthrough through Chemical and Physical Treatments. Acta Agriculturae Slovenica, 2025,121(3). (Acta Agriculturae Slovenica - http://ojs.aas.bf.uni-lj.si/index.php/AAS/index)"
  • "Shahed University Researchers Yield New Study Findings on Agriculture (Optimizing Germination Protocols for Citrullus colocynthis: A Study on Seed Dormancy Breakthrough through Chemical and Physical Treatments)." Agriculture Week. October 30, 2025; p 371.