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my lifesaver which has been flowering for 10 days now has presented what looks like rust on the edges of the big fan leaves! I dont know what it is and I hope to god its not mold. Never seen this before any help out there??
Hi friendly...sorry to hear all isn't well...any way for you to post some pics of the leaves so we can take a look and give you better advice?
Without benefit of pics, and given that you are in day 10 of flower, and also given that LS is a fast finishing variety....first thing to come to my mind is Potassium (P) deficiency which is indicated by rusty brown leaf margins. What kind of flowering nutes and at what strength are you applying the nutes? PH?
There will be lots of people telling you it's some sort of deficiency, and it very well may be... But usually these types of things are a result of one of a few miscalculations, that are usually quite simple to rectify.
Rust spots eh? Our ak47 used to do this when there was a lack of nitrogen in early flowering. First the leaves gloss over and go dark green, then the stems redden up a little, then the leaves start to yellow. Ak 47 and other strains react differently to their problems, some of them get those rusty spots on the leaves after such a problem. Again, Nitrogen deficiency isn't necessarily the problem here - But it's always the problem here when we cut the n back too soon. We keep plenty of n in the mixture until mid flowering, then we switch to a full-fledged flowering nutrient to finish things out...
Pics of the sick lady will surely help... But it sounds like simple n deficiency. Which-by the way-can be caused by improper pH just as easily as it can be caused by a physical lack on nitrogen. A high or low pH will make 40 kilos of nitrogen unavailable to the plant, even though it's physically there...
Whenever we have a problem, this is what we do... FLUSH with a mild nutrient solution. Run it over the roots slowly, taking about 3-5 minutes per plant, stopping from time to time to allow the water/solution to redissolve the salts that have crusted onto your medium and the roots themselves. The longer you drag out the flush, the better it will be.
After the flush is done, remix your nutrient solution and begin as usual again. The effects will take up to a week to show themselves, but we are farmers, not stock brokers, and the results of our actions require patience to realize
Well, there you have it....CC says possible N deficiency and I come up with possible P deficiency. LOL This is why pics are so needed so that a better understanding of what's really going on can be made.
I read 'rust on the edges of the big fan leaves'....to me that's P, even though I would think that proper nutes were being given, seeing that it's in flower now, but what we think...and what someone is doing, can be two different things.
I do also agree that CC's diagnosis is possible....but pics would sure help out!
here are pics... sorry the plant is under the hps and its too heavy for me to move alone but check this out...
sorry about the pic quality.. I am still learning how to focus... usually Lil Diddle (my gf) takes the pics for me but she isnt here right now... if they dont help let me know and ill take better shots... jeez im just worried cus up until now its been all good... no bugs this time either.... this is like from one day to the next... thanks again CC and Dutchie.
*edit* by the way I am using pureblend pro flowering with a drop of superthrive and pureblend grow. I have been adding nutes every 4 days... not with every watering... maybe I show give more nutes.. Also two days ago I noticed the same fan leaves got very dark and glossy...
superthrive in flower? i hear that messes with things a bit though you are only at ten days
i also thought superthrive was strong stuff to be used a few times during veg rather then every feeding.
not sure if that is your problem at all but just thought id throw it out there cause usually see this said when superthrive is mentioned.
I would back off the Superthrive as well. I think it's growth and rooting hormones screw with the process when combined with your regular feeding schedule.
I use Superthrive only in the seed soaking and sprouting process. I rely in the Pure Blend and Cal-Mag in veg and Pure Blend, Cal-Mag, Silica Blast and Top Max in flower.
I think if Superthrive were the only nute being used you wouldn't have any problem but when you stack'em it seems to reject it a little
Sorry for not responding earlier FF, I have been up for a few days and my reaction time is affected.lol
OHH please tex! thanks for your response and you do have a busy life outside of IC! although its very sweet to know your always there for me even on rainy days... no more superthrive with my nutes and I am gonna order up some bonticare nutes to rectify this deficiency (bab speeler today ) issue.
thanks for dropping a line King J nice to meet you... are lebron james by any chance... lol
Not an expert like the others who have responded already, Friendly... But in support of CC's pH suggestion, I ran over to this thread that I've been studying on another forum, and snagged this image:
Maybe check your pH, and take that into consideration... The nutes your ladies require may be there, but getting blocked by an out of range pH.
Let's not forget that any time the nutrient solution gets above 80F problems begin to rear their ugly heads in hydro systems. If you've had a few hot days at any time in the last couple weeks, this may also cause funky troubles.
I use Thrive Alive to succesfully clone, pop beenz, and any time I need to fill empty soil with roots, as B-1 boosts root growth.
Another thing to try is to let your water sit out for 24-48 hours before using it on any plant. We grow in containers filled with soiless medium, and fed with organic fertilizers, but we still have a large water container that holds about 15 gallons of water in reserve, so that the water's always ready to use. Letting that water sit out allows toxic gases time to evaporate from the surface of the water. You'll notice that water that has been sitting for long enough, will feel smoother to the touch than water straight out of the tap. Weird, but true...
I don't think this is due to a deficiency, but rather an environmental condition that often are the cause of deficiency-like symptoms.
cc
i hope it shows up big enough when i post it...sorry if it doesnt! Oh ya and just wanted to say that this is not what u should always go by...hands on is the best way of diagnosing problems but for newbies or oldies who want to learn or brushups here yall go