Leaf spots in Auto grow

[Woodsman67]

I see spots! They don't seem to be effecting plant growth or flower progression any, and only appear on one plant, the faster of 3 auto strains started simultaneously. I was thinking maybe a sodium issue or nutrient lockout. Microscopically I see no spores, just leaf necrosis. This particular grow did get a slight over Nitrogen feeding early on but that was corrected. I did remove any leaf that had severe spots. I also added 1 tspn of Calmag per gal, which is double what I have been feeding. Average temp is 79 F and 38%RH, any thoughts?

 

[Mr.furley]

How old are your plants? Pictures of the whole plants?

 

[Woodsman67]

Today makes 49 days, it is the largest of the 4 autos, the one in the corner. I need a white light for pictures, hard to tell squat with yellow lights, I also included a picture of a cola.

 

[Mr.furley]

And coco or soil?

 

[Woodsman67]

Coco and perlite mix 🙂

 

[Mr.furley]

Perfect.

Plant at that stage need a "boost" of P/K, id suggest to keep the Cal/Mag up and hit them with a dose of P/K.

What nutrient like are you using?

 

[Woodsman67]

I use Foxfarms trio, molasses, cal mag and bio brew. I dropped the Grow Big and Holy Makerel 2 weeks ago, and only used Tiger Bloom and Big Bloom portion of the Trio because there was signs of over feeding of Nitrogen. Maybe I should of cut back on the Grow Big, but kept it in. It isn't all the leaves, and its mostly lower leaves, but it is ugly. Thanks for your input! Any thing else pops in your head please sound off. I will continue on with cal mag and push the P K a bit.

 

[Mr.furley]

Add your grow big back in at 3ml. Till the last 2 weeks of flower, remember that the grow big is 6-4-4 so it has a good amount of P/K that the plant isn't getting from cutting it out completely. If you look at the grow and tigar together Essentially the combination is a 10-12-10 ratio so dropping the grow this early will hurt your yield. You caught it early so no big deal, just get it back in. Are You doing a flush from time to time?

Calmag 5ml
Tiger 5ml
Big 15ml to 20ml
Grow 3 ml

 

[Woodsman67]

I havent flushed this grow, was thinking it could be sodium issues, normally I would have by now but my grandkids came home last week (Son is in military, our time is always so short) I haven't been spending hours a day in my room like normal. Autos are proving to be pickier about nutes, temps and light, my experience anyway. But absolutely love these results.

 

[Woodsman67]

Tried to get a better background and lighting. She got a full drink today with 5 ml of Grow Big and 10 ml of Tigerbloom. Flowers are starting to fatten up, trichromes are milky, none appear glassy or clear. Today is day 51, so only another week or 2 of feeding possible before I flush.

 

[Woodsman67]

I took it outside this morning and flushed it. I see alot of blue deep in the flower. I am not seeing much on amber yet, but after sampling a flower I broke last week, its only a week or 2 away. Mainly because our dispensaries are $70 for 3.5 grams and I am not happy with quality. Id rather take one plant of 4 early and have something that helps Vs paying ridiculously high prices for street quality flower. It smells awesome!

 

[SoOrbudgal]

I hear ya Woodsman67 you do what ya have too. We've all done it wish i did'nt have to take a branch or plant early but i have.

 

[Woodsman67]

I was surprised at how potent the flower I broke off last week was. Its kinda hard to pay for something that's not as good as your own. Thats early lol.