necrosis

My plants are getting these spots on the older fan leaves. They start out as small red specks, then as they progress and multiply they turn necrotic. The stems on my plants are turning red as well, not just the petioles, but the center most veins of the leaves, and the steams on the nodal shoots...

2 tents going and this happens in both. One month into flower the middle to newer leaves start to do this (see pics). Ph is checked, ppm is on low side. It is more pronounc ed on certain strains but happens to about 25-30% of plants (600w/1000w HP's) Anyone?? I do have big jumps between water...

Can someone please tell me what this is and why it’s happening ? Useing fox farms nutes tiger bloom and beastie bloom. Under 4 quantum board 132. How can I save them ? Thank you for your time Sincerely 3000 Ps I have some ideas on what it might be and have some basic knowledge.

One of my plants is second week into flower and i was looking through them yesterday and i came across whats posted in the picture. It's all bunched up at 2 of the tops leaves are a yellow green the branch is woody. I'm growing outdoor its about 100 degrees. Idk the ph level i have it growing in...

First time doing a DWC grow, and I've only grown in soil once before so I don't really know what I'm doing. I used some clones and put them in a setup with a tub a couple weeks ago. They have been growing quickly but I started getting spots on the leaves almost from the start. At first I thought...

So I'm having mid to bottom leaf necrosis/chlorosis. I'm running a high pressure aero at pH 5.9 but it was at 5.7. I also had foliar sprayed 3 days ago. Could that caused these issues? It's in I see it on 4 out of 6 plants thanks guys. I'll answer anything I can to find the reason for this.

Hi guys. I have some plants that are 3 weeks into flower.. they are dropping leaves like crazy because something is sucking their nutrients away. For a while I was leaning towards russet mites because of how the damage looks. But for the past couple weeks I've been closely monitoring these and...

Hey whats up guys.. So im about 2 months into veg and 2 of my plants are showing signs of sone sort of deficiency. It starts about up mid way on the plant and begins with the leaf tip or from the leaf tip and goes inwards on from the leaf tip. Leaf tips or between leaves turn yellow then brown...

Hey guys, Right now I am experiencing a weird situation with my DS plant, and its beginning to spread on several leaves. I removed it from the grow room into quarantine, because I read many sources saying that it may be TMV, but others claim on other threads that it's not really something that...

I have everything set, my ph, nutes, humidity and everything.. one night watered the plant and next day these spots show up!could it be root rot?

I'm frustrated with this strain. I've grown it for 2 years. I can't get it to grow normal. I want to retire this strain but my patients love the purple buds. Its called: Apollo. I have a crap ton of this to flower asap:'( HELP! its in fox farms ocean Forrest. Its getting genhydro flora nova...