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[Elias2107]

I give these plants (gorilla cookies fast flowering) EC 1 ph 6.2 with 2,6 ml canna vega, 4ml rhizotonic per liter. Temperatures are around 20 Celsius but can sometimes go down to 15 degrees Celsius. I have had them in the open because I thought the stems were real weak because there is no ai circulation but now put it back on. I hope I can get a tiny pc fan soon to fix this problem. Any other suggestions?

[Rwise]

It will help to burn all remaining roots, stems, etc.. As you have found borers can winter in them.

[SoOrbudgal]

Terrible but fixable. I would start by placing your pots ( i only grow in 15gal outdoors) up on blocks not on the ground and away from bushes or trees if possible. Do not reuse the soil probley eggs in it so destroy soil start fresh. I've not had root borers but do get moth catipillars mid to late summer that eat the buds. I do not know what else to say on pre treating if it's even possible with that type of " maggot " .

[cameron5592]

Help! I’ve been dealing with these root borers in maine for the past 2 summers now, I just went out today to clean out my pots from last grow and found another one still alive in the stems after months of winter, I’ve tried everything to get rid of them but nothing seems to work, wondering if anyone has any advice or if anyone else is having this same problem

[cameron5592]

Help! I’ve been dealing with these root borers in maine for the past 2 summers now, I just went out today to clean out my pots from last grow and found another one still alive in the stems after months of winter, I’ve tried everything to get rid of them but nothing seems to work, wondering if anyone has any advice or if anyone else is having this same problem

[Puglover1]

Elias2107 In your first pic the soil looks kind of compact. Did you use enough perlite ratio when mixing it?

[Bluey]

Any idea of the pH at the roots?

[Puglover1]

Other plants/strains are OK?

[ChubbNugg]

check miracle grow soil for paraquat. some coulda leaked in.

[Going2fast]

I let her dry out good then watered her with half strength bloom nutes 0.4-5-3 and water pH at 6.5 and moved lights up. Monitoring

[Blowdout2269]

Think ya got it figured out?
If this edge yellowing is mostly towards the top of the plant, I'd say that your ur correct assuming potassium deficiency.
What's the treatment plan?
Sorry about the late response. I always forget to check this topic, lol.

[Elias2107]

I use dirt to grow in mixed with perlite to keep airy. I also feed the plant sensi cal mag extra so I dont think it is a calcium deficiency however could be the opposite since add more of it compared to the other nutrients. I use a fan to keep the air moving but dont aim it on the plant. I wanted to thin out earlier but it is an autoflower and it was to late when it started flowering. Read somewhere that that decreases yield.

[changeofpace2014]

I would thin that girl out and get some air movement around your plant...What are you growing in? (dirt, coco)..How wet are your girls (how heavy is your cloth pot) before you water.

[Bluey]

I'm guessing pH..

[3Berries]

Calcium deficiency is my guess.