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Cherry

{Prunus cerasus}
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Boron deficiency in cherries

The fruit of boron deficient cherry trees has a pale chlorotic skin that may break. Gray spots develop in the fruit. The leaves are small, cupped and often yellow with red veins. The leaf margins are corrugated. Branch dieback, which is particularly evident in the spring, is followed by lower shoot development giving rise to an excessively branched condition known as “witch’s broom." Blossoms fail to develop.

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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