I noticed these orangish spots on about 3 different set of sugar leaves on the same plant. I see nothing on the other 3 plants.
My best guess is that it’s from me spraying my plants with a full dose of Crop Defender 3 a few days earlier. I thought I seen some WPM, but it was just frosty trichomes.
Some growing info if it helps.
Strain = Mimosa X Orange Punch
Medium = Coco/Perlite 70/30
Temp/Humidity = 72-78F / 45-50%
Nutes = AN Sensi Bloom pH Perfect, B-52, Big Bud Coco, & Bud Candy.
5 gallons of RO Water
40ml A&B Sensi Bloom (50%)
20ml Each additive. (50%)
Have you looked under the leaves for spider mites? That’s where I would start. They are hard to find on the buds, so look under adjacent larger leaves at several areas on each plant
To me it looks like it’s just dying out. I can see it happening in a few other places.
Probably from spraying and then the light magnified where it pooled. I wouldn’t have sprayed it without a reason. Suspecting a problem imo isn’t worth spraying. Need to confirm. So my opinion is you spraying caused the light to bleach the leaves. Why only one was effected is probably because it had the spray pool up.
I am all for foliar feeding but when in flower we don’t spray unless we absolutely have to. Regardless of if the manufacturer says it’s “safe through harvest” remember round up was safe until they was sued for 2 billion dollars for causing cancer.
I never spray plants in flower. Well, until a got a two spotted spider mite infestation in late flower. I sprayed half strength H2O2 on the infested buds totally forgetting about leave burn. I sprayed once and they looked like yours. I blamed it on the mites when I should blame myself.
My microscope takes beautiful pictures, but they aren’t very clear when I download them on my computer. The buds were covered with mites at harvest and the white spots were the burned leaves. The strange thing is I couldn’t find any spider webs anywhere on the buds.
I blame 1st grow paranoia and of course inexperience. But, it’s also a lesson learned.
I did spray right before light off and kept fans off for 1st 3 hours. But the corner where those buds are located is the only corner I don’t have a fan going either, so if there was still a wet spot it would’ve been there.
