This was a very eventful week and a learning experience to say the least. I started the week out with a calcium deficiency in one of my girls. Her leaves were looking rusty And her over all health looked poor. I gave her a good flush and let her set for 24 hours. The next day I reduced her formula to one ml of Cal mag 4 ml of micro and 6 mil of bloom. I am growing 3 of these northern light autos this nutrient deficiency only affected one of the 3. With regard to the other 2 plants 1 of them is in a 3 gallon plastic pot and is very small. This small plant also appears to be moving into flower as I am seeing white pistils pop up. The 3rd plant I have done nothing with except very little bending and defoliation. This plant is my tallest and most healthiest of the 3. So to recap I have one small stunted plant, 1 large healthy plant, and 1 that suffered calcium deficiency. All 3 seem to be looking good now and we shall see what next week brings. This is my 1st grow and it is such a learning experience it has been frustrating yet fun and rewarding I am definitely enjoying the challenge.
Dude I noticed you have a similar "white patchiness" in some of the leaves at week 3 that mine have in most all of the plants, but mostly in 1. I self-diagnosed it as TMV (Tobacco Mosaic Virus) and was convinced that it was that. However, since then, you're the 4th person with Seedsman Auto NL seeds that also exhibit this characteristic, but for yours it seems that it has mostly disappeared as it approached flowering. I also am in the 1st week of flower for most of my NL Autos from Seedsman (8 plants) and am showing those brown spots that I assumed was a calcium deficiency.
Also, some of the lower leaves on many of the plants with the brown spots are yellowing and eventually crisping and dying. I am currently using 1/4th the recommended dosage of nutes out of fear of burning them. It's weird because the same plants that I assume are deficient and showing the brown spots and yellowing leaves at the bottom also have a slight burn on the tips of the leaves. I am growing in a 3:3:3 mix of compost, coir, and perlite however. Not sure how advanced of a grower you are, but do you have any advice?
@SourDeez, sorry for the delay man, I do not use this app very often. I will say that I was growing in coco and watering with tap water. I was also using cal mag. Turns out tap water has calcium in it and by using both cal mag and tap water I had created a toxicity. I seem to remember dropping the cal mag all together but later found this lead to a magnesium deficiency so now I use no cal mag but periodically add Epsom salt to my feeds. 1 tbsp per gallon every 3 weeks or so. Hope that helps.
Thank you for keeping this updated and in such detail! I am researching for my first grow and stuff like this has been really informative for me so far.