veins

I have several plants that are approximately 3 months old. All are growing outside and gets at least 7 hours of direct sun. All are doing very well, but one has odd coloring to the veins. They are a bright yellow, just the veins, not the leaf. It's getting the same fertilizer as the...

Hi I think I may be developing a deficiency on my confidential cheese seedling (20 day's old) plant that is grown in a bubbleponics system. last readings: res Temp 20.7 C pH 5.4 µS 341 ppm 170 A link to my grow diary if more grow info is required 1st Grow...

Help, 3 of 12 plants developed this during 4th week of flowering. added CAL-MAG from Boitanicare. foliar application and soil treatment. Any Help to further save these plants please.

I have 4 plants growing outdoors in a greenhouse. Only one is showing these symptoms. The strain is unknown but is an Indica, just starting to show signs of flowering. It starts with brown veins in the leaf then brown dots and yellowing to eventually turning dark brown to black at the tips...

I have some sort of deficiency and can't quite pinpoint it. Leaves are yellowing between veins!

The veins on the leaves of my plant are yellowing. Am I right that they do this in flowering or do I have a nute problem? I'm a beginner so forgive my average looking lady. Any ideas ?