Cannabis Troubleshooting
Information and discussions on cannabis diseases, pests and nutrient problems.
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Hi I'm growing some leiden kush on my balcony here in sydney. I've got 3 plants about 1 foot tall, all have been outside since they were seeds. I just noticed today some brown discolouration on the leaves (see attached photo). Can anyone tell me what this might be and what I can do about it if it's a problem? Nearest pic on this forum I could find was for phosphorus deficiency. I've never added anything to my soil so maybe that's it? thanks sausage
Last reply by sausage, -
I have some white russian growing right now and they were all going great up until now....The lower leave's stems are starting to just give out and at some points in the stem its hollow like. On all of the plants, the main stem has a split that goes right down the middle of it. Around the split its starting to turn a a dark brownish color. Also some of the lower leaves are just drying up and I've given them enough water. I have no clue whats going on and the split down the stem is really bad to the point where you can see right through to the other side. Any one know what the problem is? I was thinking root rot.....but I have no clue what it really could be. I posted the …
Last reply by *weedman*, -
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- 420 Crew
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hey only new to growing, 10 plants about 30-45cm tall under 530w. a couple of plants are really yellow, not burnt or anything, just really yellow. there just getting plain PH adjusted water to 6.5.. i let the water sit for 3 days before adjusting. and some other plants have yellow spots on the leafs.. and some plants are dark green and lovin it.. no idea what to do.. ta
Last reply by everest, -
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Grow : Outdoors Strain: Tai Satvia Medium: Compost (need urgently) Grow Status : Sprouted, currently veging well & mostly sexed 3-4 Fem/3 Males Male to be matched with a different strain. A repot was planned for 4 weeks time into larger & final pots for flowering after another 4 weeks of veging. Rough Plan ! Simply I need a recomendation of some decent compost. I plan to pot up to 25-30 lt pots in approximately 3 weeks time. I have been unable to find an outlet for "seals" compost which has bee suggested to me already. I tried…
Last reply by nitram, -
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Was wondering if anyone knows the changes a Satti goes through when she's going to seed ... does the structure of the bud visibly change .. I ask because I am worrying over a couple of males that have popped out recently in my GR - I'm pretty sure they were chopped well before any pods could have opened...but ya never know. Maybe its paranoia but I fancy I can see little seed pods forming .. don't really know what they look like and I may be imagining it ... the buds could simply be changing because they are getting closer to finished ... anyway, took a pic and would appreciate any opinions or feedback .. especially if you've seen a satti go to seed before
Last reply by WantDaChronic, -
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Hi Ive had a Pytium problem hound me every summer for a number of years , I tried everything and it alway came back , I think when you have a source and its giving you problems the recomended doses of pythoff and co will help wilth keeping it out of a system and not let bloom but will not eradicate it and the end result is the yields are always not what they should be , you can have this prick of a pest and not really know , it comes in forms from being serious where clones fall over dead or very mild where large plants just dont have the root system working at full potensial to give maxium yield , its like having a touch of the flu and trying to run a marathon , you …
Last reply by Buddy, -
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- 420 Crew
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This ought to clear up the picture to what's really happening with your plants!! The problem with this plant is it has been burnt from to much heat from the lights
Last reply by WantDaChronic, -
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ok im about to leave state so i dont have long to type im doing a soil grow its under 2 compact floros about 5 weeks old leafs are curling no nuits right now to worry about but that might be the problem they are all curling under aobur 3 days after they come out of the dirt part of the problem might be there pot which is a very old fire extinguisher made of copper gotta run any help would be appreashiated but i wont be able to check up on this for a while later and have fun with your bud where im going is dry :thumbdown
Last reply by fsagertyaef, -
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my digicam is fukd, so ill describe it as best i can. ive got 12 plants in a 1.2mx1.2mx2m grow box, 2x 600w hps, 200mm centrifugal fan 4 exaust and 2x desk fans inside.its very well ventillated and stays under 30c. im growing in cana coco, 10L pots.and im hand watering them, they are 4 weeks into flowering and approx 800-900mm tall, white rhino.ive been growing like this for a long time and ive never had this kind of problem, i would appreciate anybodys help. It started about 1 week ago, now 3 of my plants are almost dead, and a few more arnt looking real good... There dont seem to be any visible bugs on the plant, but if I stir up the coco with my hands theres a al…
Last reply by croweater, -
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the hpm timer failed .. it drove one 600 and its been on for the entire time .. i think its about 4 days? 5 today ... also looks like i didnt water the mini-sog enough... lots of withered leaves .. buds still look ok tho .. so i just spent the last 90mins or so attending to the problems .. pretty farked off i can tell you all ... the other 3 timers (Herb's Digital 30AMP timers) all worked fine .... still not sure what happened ... my brother also left the GR light on :angry: its a 100w long life bulb that lights the GR up like day ... not sure what I'm gonna say to him .. I rely on total blackness in the GR at night because the chamber has light leaks .. shit !!!!…
Last reply by Mushaman, -
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Hi all, I had 4 seedlings growing inside in my autopot hydro system. The looked pretty nice and were all about 6 inches high with 3 or 4 pairs of leaves. On morning I thought some of the leaves looked a little pale, but did not think too much about it. Next morning I noticed so leaf damage in the middle of the leaves. Small holes had been made in the leaves but some veins still spanned the holes. I also noticed small black dots which I soon figured out was caterpillar shit! I then found a few a small caterpillars that are now in caterpillar heaven. I sprayed the plants with white oil / pyrethrum mix, but the plants did not seem to get better. I could see no more…
Last reply by Doob, -
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ok my mate was 3 weeks into flower i went on holiday and left him to take care of them now he didnt check the water for a week and when i got back i seen crispy and yellow leaves all over my plants when i check the nutrient level it was off the stick so i have brought it all down to 14 hundred again is it worth letting them go or should i just pull them out and start again it seems buds are still growing but leaves are all f**ked up
Last reply by Mushaman, -
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can anyone identify this problem? it looks like its just on te top leaves ... seen it getting worse for a few days could be too much water .. too little nutes .. too little light (just replace dthe 3 growbrites with a SonT 400HPS) this kinda thing has never happened in the aero.. so it must be a variable specific to medium - the plants are sitting in a clayblaa/perlite/vermiculite mix and get hand watered and nuted ? thats all i can think of as background any ideas appreciated
Last reply by WantDaChronic, -
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on the outer side of the leaf i am seeing a white/ slightly yellow mark. could this be due to me spilling some ph down substance on the leaf and then the cfl damaging the leaf in this way. is this possible. hope someone can tell me
Last reply by fuze, -
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- 420 Crew
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something has been eating my plant i busted two snails and one slug an there is about 30-40 mites all green,white,brown in colour i killed the snails and slugs but how do i kill the mites? without any toxics going into the plant i think there could be another slug somewhere it keeps on eating the leaf's ive never had these problems before only harmless white flys :thumbdown
Last reply by Gazza2001au, -