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Leaf necrosis on the 'Iceberg' rose variety caused by excessive salinity and boron.

Iceberg' showing leaf necrosis from excessive salinity and boron. A soil test showed a salinity value of 5.6 dS/m and boron of 1.0 ppm.; Santa Clarita, CA Credit: John F. Karlik, UCCE Kern County — Credit: John F. Karlik, UCCE Kern County

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