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  #1  
Old 07-19-2006, 07:01 PM
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Default Q. Why are my leaves yellowing early in flower?

A.

This can be caused by a few things. to begin with you can possibly be overwatering..check for darkened and brown roots..if you have these, this is most likely the reason why..allow the area to dry out for longer or add more aeration. Another thing it can be, and this is probably usually it when you have healthy roots and still have leaves dieing from the bottom up... You switched from veg to bloom nutes too early. It is best to switch from veg to bloom about 2-3 weeks into flowering. This may cause a bit more stretch, but your leaves will be healthier and your buds will be larger. on the second week of flower, it is best to flush for 1 week with water, then switch to bloom nutes. you can shorten this to as little as 2-3 days also, or not even flush at all. this way you won't lose as many valueable fan leafs/lower branch leafs immaturely.

Some people clip all the lower growth, that is personal preference. some say it won't bud better with all those leaves or grow as quick..but the truth is they are there to gather as much light as they can and turn it into a useable form..along with store food for later use. sometimes plants will use up the nutrients from lower severely shaded leafs to be used where it is needed. every leaf is necessary near the end for the final stage. and they are also good for having extra left over if you decide to re-veg.
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  #2  
Old 07-23-2006, 11:31 AM
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no offense, but in other words, THEY NEED MORE NITROGEN!!!

For the first 2-3 weeks of flowering most plants, including marijuana, go through a 'bolting' stage where they grow like crazy and stretch out. They use a ton of nitrogen in this period and To switch over to bloom ferts early is going to stint your harvest.

just wanted to re-iderate that in my own words; i agree whole heartedly on the flush between veg and flowering ferts
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Old 07-23-2006, 01:09 PM
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theyre yellow because theyre locked out. they cant assimilate nutes thru the roots and is feeding off itself.
try a flush.
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Old 07-23-2006, 03:47 PM
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flush and folier feed with epsom salts, go bye the dosage on the box, good stuff
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Old 07-24-2006, 07:18 AM
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my plants turn yellow the closer they are to the light. isn't a heat issue. i raised the light so it is between 15 and 22 inches from all tops. not sure if that will resolve my issue, but i'll try adding 2 ml of grow nutes to each bloom feeding through the first 4 weeks, sounds like that should do it.
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Old 07-24-2006, 08:30 AM
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maybe this is my problem? i last veg-fertilized about two weeks before flower, then i threw in the flower fertilizer the day i started flowering (i know, my mistake.. this plant is a trooper though, and is still outgrowing the dying leaves)

every 4-5 days a new bottom fan leaf will get yellow and weak, and eventually fall off, while at the same time, buds are growing and new growth is forming (though i think it should be growing faster) at first i thought i over fertilized so i flushed it out, then i saw some low nitrogen flowering plant photos here and it looked similar, so i sprayed some diluted peter's 20 20 20 on the leaves to see if it would do a quick little repair job, but the bottom leaves looked noticeably worse the next day

on top of it all, there is a brown tip on the end of a lot of the leaves, which once again leads me to believe that i's over fertilized

ahhgggg im confused, i think im just gonna wait it out and see how my baby pulls through.. any ideas?
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Old 07-25-2006, 04:08 AM
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Quote:
Originally Posted by smotpoker
no offense, but in other words, THEY NEED MORE NITROGEN!!!

For the first 2-3 weeks of flowering most plants, including marijuana, go through a 'bolting' stage where they grow like crazy and stretch out. They use a ton of nitrogen in this period and To switch over to bloom ferts early is going to stint your harvest.

just wanted to re-iderate that in my own words; i agree whole heartedly on the flush between veg and flowering ferts
THANK YOU .............I WAS JUST ABOUT TO AD THAT PEICE OF INFO N THAT WAS IT....LMFAO
COOL
ALL GOOD.........
YEA NO NEED FOR THE ABUNDENT BLOMING AS OF YET...CHILLLLL MY MAN...
KEEP IT UNDER THE "GROW" NUTES FOR NOW AS YOUR NOTICING THE YELLOWING, OR IFF YOU ARE ADING BLOOM, THEN WATER IT DOWN AS MUCH AS POSS, TO STOP ANY UNHEALTHYNESS E.G, "YELLOWING OF THE LEAVES"!!!!
PEACE OUT N KEEP GROWING...
UrBigBuddie..........
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Old 07-25-2006, 04:16 AM
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Quote:
Originally Posted by mbwiseguy
my plants turn yellow the closer they are to the light. isn't a heat issue. i raised the light so it is between 15 and 22 inches from all tops. not sure if that will resolve my issue, but i'll try adding 2 ml of grow nutes to each bloom feeding through the first 4 weeks, sounds like that should do it.
Man you should always keep adding your "GROW" nutes as wel as your BLOOM nutes at same time exept when going into "BLOOMING" time, youl need to drop the level of GROW nutes used though , thats all, but use them "BOTH"!!!!! as the plants will totally thrive off of the two nutes that it needs to BLOOM and GROW!!!! all the way to the end!!!
FOr best results carry this action ouit!!!! and DNT "FORGET" the BUD-BOOSTER too!!!! Start adding it at BLOOM time or a week into it , aswel as the others, as when u do this, the plant/plants WILL LOVE all the PROPER nutes at all the same times n dosages!!!! they will LOVE it
JUST......follow the nutes dire3ctions and UL be FINE!!!!! totally!!!
REEMBER....use them ALL,(the nutes that is!!!) and drop the dosage when needed and the plants will go through the roof with delight!!!.........lol
PEACE OUT!!!!
UrBigBuddie.......... :D
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  #9  
Old 07-25-2006, 04:25 AM
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Quote:
Originally Posted by Spuddy
maybe this is my problem? i last veg-fertilized about two weeks before flower, then i threw in the flower fertilizer the day i started flowering (i know, my mistake.. this plant is a trooper though, and is still outgrowing the dying leaves)

every 4-5 days a new bottom fan leaf will get yellow and weak, and eventually fall off, while at the same time, buds are growing and new growth is forming (though i think it should be growing faster) at first i thought i over fertilized so i flushed it out, then i saw some low nitrogen flowering plant photos here and it looked similar, so i sprayed some diluted peter's 20 20 20 on the leaves to see if it would do a quick little repair job, but the bottom leaves looked noticeably worse the next day

on top of it all, there is a brown tip on the end of a lot of the leaves, which once again leads me to believe that i's over fertilized

ahhgggg im confused, i think im just gonna wait it out and see how my baby pulls through.. any ideas?
they all get yellow n week my man, as thats just the PLANTS process of becoming a bigger plant/s....... it gets rid of the leaves that it doesnt need anymore like the ones at the bottom, and starts to feed off of the rest and as it grows it will continue to do so, but the more green leaves will enlargen more, and then when all is large enough and all leaves are looking all healthy from about,....2 3rds way down to the top, ul be fineee ma amn.... totally as long as they are NOT at the top
BUT, iff they are just give em a little "PRUNING" as the plant tries to feed the dead leaves to try n resusitate them back to life(waisting all the nutes that could be going to the good buds or good fan based leaves or nodes, whatever else on it)
so, no ned to worry about YELLOWING of the leaves aslong as there NOT the ones at the TOP, or all over!!!!
and iff there are some at the top , or top half of plant, prune them, take em off, but be carefull n DNT go crazy PRUNING all the leaves, thinking, oh yes , MORE light getting to the BUDZ or whatever, cos it WILL all happen in time anyway, and time is theee eccence to this JOB of growing MJ plants!!!! ty
n ANYTIME FOR HELP,
JUST ASK OR PM ME........
UrBigBuddie........... :D
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  #10  
Old 07-25-2006, 07:12 AM
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how do you go about fertilizing when the soil that has nutes in it when puting the plant into flower? couldn't you risk fert burn? should you give the soil 3 weeks of just water before feeding it, or does the plant draw enough nutes to cover what is in the soil in addition to what you are puting in the water?

thanks

URBigBud, thanks for all the clearification

still one question: why do the plants that have more light turn yellow faster?
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