420 Magazine Background

Yellowing/browning of older leaves

chib

Well-Known Member
Hey everyone

I've had this plant for a couple weeks and ever since I got her she's been doing this yellowing...

I have her on half dose nutes right now and with 3 part GH series system.

She's in soil and from clone and on 24 hour light. (225 watts cfl)


The 'curly' leaves have been that way since the day I received her.



Really scratching my head at this one...


Pics

20140722_120305.jpg

20140722_120329.jpg

20140722_120410.jpg

20140722_120435.jpg

20140722_120349.jpg


couple leafs I removed a couple days ago..

20140722_120613.jpg
20140722_120623.jpg


the setup..

20140722_120537.jpg
 

John C

New Member
Your plant appears to be either over watered or under water and possibly has a pH related issue. What are you adjusting the pH of your nutrient mixture to? How often are you watering your plant? What nutrients are you using and how many millilitres per gallon? What mixture are you using for your medium? How often do you flush your medium? Have you measured the runoff waters pH?

You want pH 5.8 for hydroponic and soiless (peat moss and coco coir) and pH 6.5 for soil.

Here is a nutrient availability chart

pH_chart7.jpg



Here is a cannabis leaf deficiency chart

cannabis_leaf-deficiencies31.jpg



here is the Cannabis Plant and Pest Problem Solver and the Plant Abuse Chart

https://www.420magazine.com/forums/...abis-plant-pest-problem-solver-pictorial.html

https://www.420magazine.com/forums/how-grow-marijuana/71664-plant-abuse-chart.html
 
Top Bottom