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Old 09-15-2013, 11:59 AM   #21 (permalink)
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thanks everyone. will keep you posted
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Old 10-22-2013, 12:55 PM   #22 (permalink)
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here is an update after 7 weeks. plants are about 20 inches tall bushy.

for those who don't know. i'm growing outdoors on the terrace. its autumn here. and using mh lamps to supplement the lack of light.

good news: i used to worry about wild cannabis pollen, as we have abundance , all dried up (at least 95%) due to autumn.

bad news: leave are brown on the edges, small in size. I am guessing the former due to diminishing humidity and the latter due to excessive lighting. i have been using closer to 22 hours at times.

would love your thoughts.
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Old 10-22-2013, 05:39 PM   #23 (permalink)
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After 7 weeks, 20 inches seems a bit tiny. How've the temperatures been? Pics of the brown and small leaves would be useful. I'll hazard guess that there might be a pH problem with the soil, leading to stunted growth and perhaps to the leaves discoloration.

Some plants do tend to grow short though, so part of that might just be its genes. What are you doing, feed wise?
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Old 10-23-2013, 08:19 AM   #24 (permalink)
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Temperatures have been mid 60F - 90F. which is ideal. i'm also growing Durban Poison which is not a small plant. i will take pictures now and upload.
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Old 10-23-2013, 09:12 AM   #25 (permalink)
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here are some photos taken today. also please comment on the pot size.
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Old 10-23-2013, 12:13 PM   #26 (permalink)
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more nutrients normal soil mixed with composte. very little urea one week ago. foliar feeding 2 times a week. humidity in the air is 49%.
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Old 10-23-2013, 12:55 PM   #27 (permalink)
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use better soil next time.
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Old 10-23-2013, 09:37 PM   #28 (permalink)
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Almost looks like nutrient burn! Could you perhaps have soil "hot spots", where there's unmixed, concentrated compost lurking about? The 90 degree temps is still a bit hot, but then DP is straight sativa and can probably tolerate it okay.

The plants actually look kinda sorta okay on the size. Not as big as they could be, and there's some leggy stretched individuals in there but that center plant is BUSHY!

If it is indeed hot spots causing nutrient burn, repotting in well mixed soil will do the trick. Hot spots are hard to flush out with just water. Also, if possible a check on the pH wouldn't go amiss. Some of the new growth looks kinda spiky and the leaf tips look like they're curling up, might indicate a need for supplemental Mg, or it might point to a pH induced Mg lockout.

As far as pot sizes go, the general rule of thumb is 1 gallon of space per month growing time. I couldn't say what size your might be though.

Have the plants shown sex yet?
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Old 10-24-2013, 12:22 AM   #29 (permalink)
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Thank you so much SmokeaJoint. This is extremely useful advise. will do the ph test, repotting and mg supplement. you are right about the hot spots and i suspect i might have left chunks of compost in the soil mix.

will post the update.
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Old 10-28-2013, 12:31 PM   #30 (permalink)
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Soil test result 6.6 Is that ok?

I have since transplanted them in larger pots. The roots had reached the bottom when i did. could this be as a result of root-bound? did not find lumps of compost so nothing to indicate hotspots.

Now i am foliar feeding "Growmore" which mg. Not been able to find epsom salts yet.

Hope i'm on the right track.

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Old 10-29-2013, 04:58 PM   #31 (permalink)
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Yeah actually 6.6 is a good range for veg growth. Flowering likes a bit lower pH, high 5s or so. So it looks like the pH wasn't an issue.

The roots being at the bottom of the old pot might have been slowing the growth. Root bound is essentially when the roots use up all the soil space they have. Solid mat of white fibers kind of thing. If that was what you had, and you repotted, it'll help the plants continue reaching skywards. Takes a few days for them to recover but hey.

There's also a good chance that the plants will almost double in height when you switch to 12/12 lighting to start flowering. With going on 8 weeks of veg time, I'm betting you'll get some decent amounts! Do you know whether you have all ladies, or possibly a mix?
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Old 10-30-2013, 04:55 AM   #32 (permalink)
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not yet. as i am still giving them 20hrs + light. will induce sometime next week. cannot find epsom salts. so watering with growmore. it has mg content.
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Old 10-30-2013, 06:36 PM   #33 (permalink)
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Watch out with watering in too much fertilizer though. From what Google told me, Growmore has a lot more than Mg in it. Too much nitrogen and your plant will start looking like you put it under a blow dryer!

If you're using compost already, and watering with a fertilizer, that might explain the lot of it! If that's the case man, what those ladies need is to be flushed before they fry.
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Old 11-01-2013, 02:58 AM   #34 (permalink)
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I was suspecting you might say this. I have stopped. Had decent rain yesterday. that would have taken care of the flushing bit.

strong winds made a couple of them bend, especially the bushy ones. Looking for pure magnesium, no luck yet. they are beginning to look good though.

I'm also burying the lower stem in the soil, hoping to get some clones.
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Old 11-02-2013, 09:16 PM   #35 (permalink)
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Grade A honey makes a decent root inducer for clones. It doesn't have any plant hormones, but it does sterilize the cut stem area and has an okay success rate for cuttings.

Since its windy, it might be good to stake them up. Bamboo and twine, or similar?

Doesn't take much mag.

As for seeing whether you have Male or Female plants, I think/hope by now the'd show preflowers. The place to look for preflowers are the branch/stem junctions, right where they meet. Male preflowers look like tiny ballsacks. Female preflowers look like two small hairs.. let me try and find a picture...
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yeah so F flowers are these.

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and M preflowers. They turn into what looks like banana bunches as they mature.
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Old 11-05-2013, 03:10 AM   #36 (permalink)
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Thank you for the amazing stuff above SmokeaJoint.

Wow didn't know about the grade A honey. i was sticking the lower stem in the ground without detaching it from the mother plant. wait till roots develop and cut.

will try the honey though.

stopped the mh lights. so they are getting 12/12 light. waiting for the sex to appear.
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Old 11-13-2013, 07:01 AM   #37 (permalink)
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I'm not really good at taking photos but all these pics are from the same plant.

Can anyone tell if it is a male?

if not, then will try take some better ones soon and post.
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Old 11-13-2013, 05:52 PM   #38 (permalink)
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Dat flash

Its hard to tell with the pictures there. I don't see any obvious pistils. On that particular plant, I'm leaning towards male based on the final photo, but once again not too sure at all.

Pistils (the definite sign of a girl!) will look like two whitish hairs coming from a little green nub (a calyx) , which will become the many hairs and calyxes, thus a tasty bud.
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Old 11-14-2013, 01:06 AM   #39 (permalink)
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Im wondering why you didn't sex them once they developed 8 internodes? You can easily put them back into veg once you have sexed them.

This plant looks like a male. On the last picture, I see a pollen sack on the right internode. Its hard to tell, but im gonna guess and say its a male. Do you plan on producing your own seeds? I would Clone the male, and grow it in a tiny pot. Put the male clone indoors by a window. Make sure the window remains closed, no airflow can be allowed. Place a white paper under the pot. The paper will collect the pollen as it falls. Once there is a nice amount of pollen collected, brush it on to a lower female branch with small flowers. Its a controlled way of producing seeds. The rest of the plant remains about 99% seedless. You might find one or two seeds here and there, nothing to fuss about.

If its good genes, you will have good seeds.

Also, the soil definitely needs to be flushed. How fast does the water drain? If its slow draining soil, it could be the reason to your current problem. Salt build ups are hard to flush out in slow draining soil...
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Old 11-14-2013, 03:16 AM   #40 (permalink)
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thanks guys for the tips. i have managed to find another clear photo which might help. this one is a tough one to guess before the sack develop and open. its a durban poison but the leaves are distinctly different (smaller) from the confirmed female DP.

The soil flushes fairly quickly as it is in a large pot. lower temperatures at night are touching mid 40'sF . so i wonder if that is giving the plants any grief.
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