Phosphorous deficiency?

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acvong

Member

• Mar 31, 2022

• #1

A bunch of the tips of this plants leaves are starting to turn black, some pointing upwards. Am trying to find out if this is a phosphorous deficiency or possible nute burn?

 

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Treesomewanted77

Well-Known Member

• Mar 31, 2022

• #2

It looks like a start of MG deficiency to me try some Epsom salt.

 

Kerowacked

Well-Known Member

• Mar 31, 2022

• #3

Cannabis Leaf Symptoms Quick Guide With Pics | DRCANNABIS.IO

Use cannabis leaf symptoms pictures to quickly diagnose your marijuana plants. Find the pictures that resemble your plants and learn how to fix the problem!

drcannabis.io

 

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Treesomewanted77

Well-Known Member

• Mar 31, 2022

• #4

Kerowacked said:

Cannabis Leaf Symptoms Quick Guide With Pics | DRCANNABIS.IO

Use cannabis leaf symptoms pictures to quickly diagnose your marijuana plants. Find the pictures that resemble your plants and learn how to fix the problem!

drcannabis.io

Click to expand...

That’s one of the best guides I’ve seen so far. Definitely a keeper. Thanks for sharing

 

Melquides

Active Member

• Mar 31, 2022

• #5

Agree and agree, P starting along with Mag. time to up the feed a bit i think