Hi
I have these crosses grown from flasks, and they are about two year old, suddenly I see blackening of leaves starting from the tip and spreading to the entire leaf, is it a fungal disease, what is the problem and the treatment can anyone throw light on these. I have attached the pictures. Thank you in anticipation
I have these crosses grown from flasks, and they are about two year old, suddenly I see blackening of leaves starting from the tip and spreading to the entire leaf, is it a fungal disease, what is the problem and the treatment can anyone throw light on these. I have attached the pictures. Thank you in anticipation
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