Not entirely sure if this is the right forum for my question however, I have noticed over the last few days the petioles and leaf margins (edges) have begun to purple. Ive read where this is either exposure to cold temps or a phosphorus deficiency.
Additionally some of the lower leaves are turning odd colors.
Hopefully you guys can help me out.
Growing in 5 gallon fabric pot.
Ocean Forest Fox Farms with 15% perlite added (not miracle grow).
Only nutrients are BPN seaweed extract, molasses, Dr. Earth Organic Gold premium all purple 4-4-4 dry amendment, and Dr. Earth Organic Flower Girl bloom booster.
This is an organic first grow.
Water is usually 160-170ppm TDS watering at 6.5 mostly, but also 6.2, and 6.8 on occasion before molasses or BPN. After its usually around 550ppm.
Daytime temps are averaging 77F, with fluctuations between 73-81F.
Nighttime is usually between 68-70F.
RH during flower has been consistently 35-45%.
Ive come back from vacation for a few days and found my plant looking like this:
More reddening/purpling of the leaves, and lots of yellowing leaves with brown clustered spots concentrated at their centers.
Total dissolved solids are usually measured in ppm. This is a measure of the total amount of solids, nutrients if you will, in the water being tested, not a specific nutrient in particular but rather a measure of the “hardness” of water itself.
This started about monday this week. Monday I watered with 6.5pH ~45ppm, with no nutrients added, or molasses. Tuesday is when the initial reddening and purpling was seen, practically overnight.
Now this is of Saturday…
I believe that I accidentally induced a flush too early.
Today, I have put together a fertilizer tea that is currently brewing.
2 Gallons, 125ppm(before any nutrients were added), 2 cups flower girl by Dr. Earth, 15ml BPN seaweed extract, and 2 TBS molasses.
Up until a week ago, and a few days before I changed that I was watering with 500-600ppm TDS each watering with 2 gallons and wasn’t noticing any major issues.
I was attempting to go with Biobizz feeding schedule in relation to when molasses is used. This stopped, and 24 hrs later symptoms appeared.
I used 6.2pH water and 70ppm TDS on Monday I believe, and Tuesday the reddening and purpling began.
I then went on thanksgiving vacation, and three days later returned to the images shown above.
I have put together the tea to water with tomorrow morning.