From a fellow grower:I have something going through my plants which slowly dries them out and eventually kills them.
It seems for all the world like they just age prematurely.
The leaves start to lose colour, start browning, eventually dry up and either fall off or sick looking like hell.
It seems to affect all the plants eventually to some degree but at different rates.
Root development in the earliest cases is significantly reduced but they look clean and no sign of insects.
The buds are still okay. They look bad because all the sugar leaves also went brown.
No sign of hairs or fungus either.
I’m using full organic nutrients, mostly built into the soil.
My soil is peat based except for 3 plants I experimented with using coco.
Even in the fresh coco I lost a plant fairly quickly.
I use commercially available amendments including composts, meals and various other commonly used items.
It only hits after flowering starts, about 2-3 weeks in.
It seems to hit randomly.
\ Being fully organic it really shouldn’t make a huge difference if the medium has an abundance of something because what I’m adding is pretty much 100% non burning.
A large part of the above ground issue seems related to the lack of root. Several plants have been harvested early with varying amounts of bud development.
The ones with the least bud also had the worst roots and could be pulled right out of the soil. A couple with decent buds also had decent roots and the pot lifted with the plant.
I’ll fill in the questions as they apply:
Strain: Multiple - makes no difference (Canuk Cookies, Fruity Pebbles OG, GG#4, Wild Rose <that one was very sensitive to whatever it is>, Gold Rush, White Widow x Big Bud, OG Kush - that’s just now several other strains previously)
Type (fem/auto/reg): All fems now but regs and fem autos previously as well
Climate (indoor/outdoor): Indoor, tent, detached garage, isulated with A/C and heat
Medium (soil/hydro/details): Soil, organic, some peat based, some fresh coco.
pH of runoff or solution in reservoir: I measured the pH of the soil and it is 6.5. I don’t generally water to runoff but I did once to check and it was 6.2.
Nutrient mix strength (EC/TDS): Dry amendments and some organic liquid fertilizers. A soil test showed slightly high N and good P & K.
Light type & schedule: No problems until 12/12. Previous to that, 18/6
Temperatures day & night: High of 32 but usually 27-28 Celsius. Lows 18-20 celsius. (That is a touch high and also a touch low but since that is true for all the plants it doesn’t explain the randomness)
Humidity day & night: 28-50% and slightly higher at night.
Ventilation: exhaust fans and circulating fans
AC: Previously a portable unit and now a window unit. (I did notice that previously the plants right close to the portable unite went faster but it happened in a greenhouse and before the A/C. I bought the A/C to try to combat this but it hasn’t changed anything)
Humidifier: Yes, individual in each tent
De-humidifier: No, haven’t needed one.