Blue light as a PGR

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February 7, 2022 - Erik Runkle<runkleer@msu.edu>

Blue light generally inhibits extension growth and thus can act as a plant growth retardant (PGR), particularly when crops are grown indoors or in greenhouses during low-light periods.

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Tag List
  • floriculture,
  • light management in greenhouses and controlled environments,
  • plant growth regulators

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