Calcium Deficiency Guarianthe Cattleya
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New Growths from Ca Deficient Lead
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Ca Deficiency on Growing Leaf Tip
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New Leaf Rots from Ca Deficiency
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Growing Tip Blackens on C. aurantiaca
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Calcium Deficiency in New Cattleya Growth
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Blackening Leaf Tip on Cattleya
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Necrosis Continues after Black Tip Cut
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Black Tip Preceded by Yellow Halo
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