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Gladiolus

{Gladiolus spp.}
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Boron deficiency in gladiolus

The symptoms of boron deficiency in gladioli include:

  • Cracked leaf margins (especially on the first leaves to emerge)
  • Translucent streaks between the veins
  • Hooked leaf tips
  • Failure of the lower petals to expand normally

In addition, the flower petals are mottled and the flower stems may be hollow, lacking a normal pith.

U.S. Borax, part of Rio Tinto, is a global leader in the supply and science of borates—naturally-occurring minerals containing boron and other elements. We are 1,000 people serving 650 customers with more than 1,800 delivery locations globally. We supply around 30% of the world’s need for refined borates from our world-class mine in Boron, California, about 100 miles northeast of Los Angeles. Learn more about Rio Tinto.

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