Fungus or deficiency? Any help appreciated.

luckybleu

luckybleu

Well-Known Member
20210725_153240.jpgIts a Cookie kush plant on the older fan leaves the problem starts with orange dots then expands to brownish blotches and yellowing.Looking to treat with an organic fungacide,but want to rule out any deficiency or nuts issues. Any help would be greatly appreciated. THANKS.
 

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Here's a study about deficiencies with some great pics
www.mdpi.com

Characterization of Nutrient Disorders of Cannabis sativa

Essential plant nutrients are needed at crop-specific concentrations to obtain optimum growth or yield. Plant tissue (foliar) analysis is the standard method for measuring those levels in crops. Symptoms of nutrient deficiency occur when those tissue concentrations fall to a level where growth...
www.mdpi.com www.mdpi.com
 
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