Abstract
The objective of this work was to describe the nutrition deficiencies symptoms in calla lily (Zantedeschia aethiopica). Seedlings were maintained in complete nutrition solution and with omission of nitrogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulfur (S), iron (Fe), boron (B), and manganese (Mn), totalizing 10 treatments. The first deficiencies symptoms appeared in plants cultivated in N omission, followed by treatments with omission of S, B, K, Fe, P, and Ca. Individual omissions of N and B prevented blooming, while S and K deficiencies resulted in production of small and greenish inflorescences with deformities. Reddish spots in leaves were observed in plants growing in solution with omission of P. Root development was affected either by omission of B or S. Death of the apical bud and formation of a “black center” in calla lily rhizome was caused by B deficiency. Nitrogen, B, and S are the most required nutrients for calla lily plants. The mineral composition of calla lily leaves is affected by nutritional deficiencies
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