Sources and Symptoms of Boron Toxicity in Container Grown Woody Ornamentals    (View PDF)

C.H. Gilliam and E.M. Smith

Abstract: Boron (B) toxicity is characterized by leaf tip yellowing and marginal chlorosis followed by leaf tip burning and premature leaf drop. Data showed that several common preplant media fertilizers are quite high in B. Boron toxicity is best avoided by proper pH balance and by avoiding micronutrient fertilizers with high levels of B.

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https://doi.org/10.48044/jauf.1980.051