Fungus or deficiency? Any help appreciated.

[luckybleu]

Its 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.

 

[luckybleu]

Any thoughts?Can anyone help a cracker out?

 

[majjy_rane]

how old are they?

 

[JustBlazin]

Looks like calcium I think

 

[bigunyun]

Does not look fungal... could we see the whole plant?

 

[Plutonium]

Micro nutrient, Manganese deficiency, 99% sure.

 

[JustBlazin]

Here's a study about deficiencies with some great pics

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

 

[luckybleu]

how old are they?

Started in May they're about 3'

 

[luckybleu]

Does not look fungal... could we see the whole plant?

Will post a pic later ,tops show no sign of anything wrong.

 

[luckybleu]

Does not look fungal... could we see the whole plant?

 

[luckybleu]

Does not look fungal... could we see the whole plant?

There she be

 

[bigunyun]

There she be

Kinda fuzzy pic but overall looks very healthy...

 

[luckybleu]

Kinda fuzzy pic but overall looks very healthy...

Pretty good but I've noticed whatever is happening is getting worse,I was thinking it was because its been raining alot almost everyday.

 

[bigunyun]

Pretty good but I've noticed whatever is happening is getting worse,I was thinking it was because its been raining alot almost everyday.

could be... nothing looks serious; I'd keep at it should be okay

 

[Hobbes]

.

Click on the. charts to embiggen.



.



.