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Management of poppy (Papaver somniferum L.) stand height using growth regulators

Author

Listed:
  • Tomáš Spitzer
  • Jan Bílovský

    (Agrotest fyto, Ltd., Kroměříž, Czech Republic)

Abstract

The possibility of reduce the length of poppy plants and their risk of lodging by applying selected plant growth regulators and effects on the plant and yield were studied in field experiments during 2010-2012. Statistically significant reduction was achieved only with ethephon (576 g a.i./ha) in all experimental years. In 2010 reduction for metconazole (60 g a.i./ha) was recorded. In 2012, ethephon at rates of 576 and 288 g a.i./ha prevented significantly poppy lodging. The 576 g a.i./ha rate was phytotoxic and decreased yield. The commonly used 576 g a.i./ha rate diminished heights by 16-20 cm in all experimental years and significantly reduced lodging in 2012, but decreased yields in two of the 3 years.

Suggested Citation

  • Tomáš Spitzer & Jan Bílovský, 2017. "Management of poppy (Papaver somniferum L.) stand height using growth regulators," Plant Protection Science, Czech Academy of Agricultural Sciences, vol. 53(1), pages 55-60.
    • Handle: RePEc:caa:jnlpps:v:53:y:2017:i:1:id:24-2016-pps
    DOI: 10.17221/24/2016-PPS
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    References listed on IDEAS

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    1. T. Spitzer & P. Matušinský & Z. Klemová & J. Kazda, 2011. "Management of sunflower stand height using growth regulators," Plant, Soil and Environment, Czech Academy of Agricultural Sciences, vol. 57(8), pages 357-363.
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