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Grow QuestionsYellow leaves with brown patches between veins.

Yellow leaves with brown patches between veins.

Finedakinestarted grow question 4 years ago

Any ideas on what this could be? I checked the PH and it is right around 6.5. I did feed them twice last week as I was out of town over the weekend. When I got back the temp in the tent was °91. It's bad on one plant and starting on another. The rest look healthy.

Finedakine

Finedakine

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Leaves. Color - Yellow

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sir_isOanswered grow question 4 years ago

Looks kinda like boron deficiency to me. Throw a tiny bit of borax with calmag at it.

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sir_isOanswered grow question 4 years ago

91f is exceedingly unlikely to cause that, as I've grown plants without any such issues in MUCH MUCH hotter conditions.

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sir_isOanswered grow question 4 years ago

Here's an image. https://dutch-passion.com/img/cms/Blogs/Boron-deficiency.jpg Though boron deficiency can also look like yellowing, curling, weird growth, etc.

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L_Tetragrammatonanswered grow question 4 years ago

Probably got a little heat stroke from the temps but they will be fine if you got everything back into parameters upon returning and they seem happy. It’s a slight toxicity from it having to over perspire during the hot period. The only water it could use was from the soil. Uptakes a lot of water/food. Stoma closes because it is richer cause it’s drinking faster than it would. Very vicious cycle if left unchecked. Glad you caught it and happy growing!!!

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