Boron deficiency

• Beet root develops black spots inside, and black dry-rot areas on the root surface
• Dead cross-hatched areas may appear on the inner concave surface of leaf stalks
• New leaves are elongated and malformed, growing more on one side than the other
• New leaves turn brown and die
• More common in alkaline soils
• Symptoms develop mid to late in the season
• More information on Boron Deficiency