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White Rhino #2

1
9
22
1807
6 years ago
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1
Indoor
Room Type
LST
weeks Technique
Topping
weeks Technique
Defoliation
weeks Technique
Grow Conditions
Week 8
Flowering
91.44
cm
inch
Height
12 hrs
Light Schedule
14+ conditions after
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Commented by
Grow413 Grow413
6 years ago
Ok been busy so big update here. now on day 57 since the flip. The short girl is starting to fatten up a bit more than the tall one, smell is amazing and the trichs are looking great. Still a little underdeveloped for their age but they are slightly more Sativa so maybe not as much as I think. Nirvana said this strain will flower for 8-10 weeks, I'm hoping to cut them down by thanksgiving. I've recently run into a few problems though that may be contributing to the slow growth. First thing, a few weeks ago I began adding a bloom booster along with a tsp of molassass per gallon mixture. I also started noticing the very tips of some of my top leaves (mainly on the taller plant) were just barley turning yellow but it didnt progress to the rest of the leaves (i noticed this before adding the bloom booster and molassass). Thinking it could be heat or light burn I bent the branches down as far as I could and have my light at its max height. Using a laser thermometer I found that the temperature on the surface of my canopy is 76-82 degrees, the temp on my fabric pots is around 65, the air temp at the canopy hovers around 84 and mid way down its around 77. The humidity stays in the 40โ€™s. With the lights off the temp drops to about 62 and the humidity goes up to the mid 50โ€™s. With that info I wasnt convinced it was heat since there was no tacoing or any more damage than just the tips. This week I began noticing again on the top leaves, the tips and around the edges about halfway down the blade started turning a very dark green almost black color and the other leaves seemed to be a dark shiny green. I only noticed this on the taller plant, the shorter one only has the dark shiny green leaves. This lead me to think its nutrient burn. I stopped adding the bloom booster and molassass for two feedings then last night decided to start a flush. I gave them each a litre of water with a ph around 5.7 and let them run off. I have a TDS meter and the EC value of my tap water was 0.3. I tested the runoff this morning and that had an EC value of 2.3!! My plan as of now is to continue the flush until my EC runoff number matches the EC number prior to feeding, then get back on the normal nutrients and slowly add in the molassass for the last few weeks. And on top of that I also saw a few leaves getting yellow specks on them and with a loupe I found some spider mites on the underside of some leaves. I removed those leaves and have a neem oil spray that works very well and is all natural so I should have those under control but obviously they wont help them grow faster. This is my first time growing in coco so Im not sure if Im over watering or not. I give each plant about .75 to 1 litre everyday a few hours before lights off. I get about 15-20% runoff and theyre in 2 gallon pots. I also have well water so Im thinking that could also be a factor. The pics arent the best and dont show the black tips but you can see how shiny and dark green the leaves look in natural light
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Grow Questions
Grow413
Grow413started grow question 6 years ago
Just hit 6 weeks, do they look smaller than they should or am I just being impatient??
Solved
Buds. Not fattening
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Chi_Town_White_Boy
Chi_Town_White_Boyanswered grow question 6 years ago
Hi there! Cool looking setup and plant you have here! A few things that I notice....first, you have a canopy that is pretty open -- you should not be having any issues with light penetration here. Second, I agree with Bulbi that you have a low output light. HIDs are great and often better performing than LEDs, but 150W is not a terribly powerful light. You might have better success with a cheap 300W LED in terms of coverage and output. If you want to stick with HID, you might want to consider upping your wattage. Thirdly, I notice in one of our photos that your room temp is around 72/73 degrees F. From adjusting my environment the past year, I've found that keeping your environment closer to 80 degrees F is usually better -- plants tend to respond better. You also need to balance out the light distance -- if you have a cheap laser thermometer ($15 on Amazon), you can check your canopy temps. I usually shoot for around 78 degrees at the top of my canopy. That will help you determine if your light is too close or too far. While 72 degrees F might produce a plant, it's not usually ideal temps for a plant that most frequently grows naturally in high temp places. I'd say adjust your room temp to get it a bit warmer, and look into a bit more power for lights. You could even consider getting some warm (~2700k) lightbulbs to help you get a bit more light for this grow. Best of luck! Let us know how things go!
Grow413
Grow413started grow question 6 years ago
Anyone have a guess to whats happening to the leaves on the taller plant? is it light burn or nutrient burn? or is it normal for the leaves to turn a dark purple when late in flowering? The short one is showing no signs of this & the only difference between the two is the height.
Open
Leaves. Other
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Answer
HighTV
HighTVanswered grow question 6 years ago
This was undeniably from heat stress! There may have been other problems making it worse, but overall try training the plant down with a method called Low stress training (LST) or topping to create multiple apically dominant stems for a wider canopy. Looks like the final results were pretty good however congratulation ๐Ÿ˜Ž
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Stick
Stickanswered grow question 6 years ago
Hi @Grow413! Yes the discoloration is a normal thing, the process of senescence is responsible for this. Now, your curling-upward leaves are not a normal thing, they are a sign of heat-stress, your apical summits were probably too close to the light, and/or your airflow was not good enough to protect those colas from heat. Congrats on your harvest ๐Ÿ‘Š
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SommerVirelli
SommerVirellianswered grow question 6 years ago
Heat and light too close.
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Grow413
Grow413week 9
@The_Projexx @MUDBUG @mad_scientist So my problem with the light is that its already as high as possible in my tent. I could dim my light down from 400W to 250W if that will help? If not I'll try changing to a 10/14 light schedule and I'll bring the RH up a bit and see if that helps. I'm using Plagron nutes for coco but I've yet to purchase the Green Sensation since its a little pricey so when I went into flowering I just upped the amount I was giving them. @@@Athos I thought I was overfeeding as well since the shorter plant has the dark shiny leaves too but little to no yellow tips yet. So I've lowered the nutes and switched to watering every other day.. waiting to see if that helps. And yes I know, sorry about the lighting! Thank you all, I appreciate the advise. This site has been amazing!
Athos
Athos
@Grow413, how that solved your issue.
Grow413
Grow413
@@Athos, I did a little more of that and it seems to have helped keep those buds from getting any more damaged. Leaves are slightly crispy but the buds fell nice and dense.
The_Projexx
The_Projexx
@Grow413, You can try dimming the light if you have a digital ballast other then that im not to sure , you could get a cool tube that will help alot , but its like 120 $ .
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Grow413
Grow413week 6
@bulbi @chi_town_white_boy Thanks for the replies! I'm actually using a 400W HPS light for my flowering. I currently have it dimmed down to 250 though. Should I up it to the full 400W? Also the height on these was a bit more than I was expecting ( you can see one is much shorter than the other ) that's the main issue I've been having, Ive bent them over as much as I can. They don't seem to be showing much signs of light burn.. there's a few tips of the leaves that are yellow but it hasn't progressed at all and its very minimal. The thermometer is right at the canopy height so I would assume its slightly warmer directly under the light but I'll have to get a laser thermometer so I can dial in the temps better. How much molassass do you recommend per gallon mixture? I've only done that for the last few feedings before harvest.
Chi_Town_White_Boy
Chi_Town_White_Boy
@Grow413, Another thing I want to mention is that what happened earlier on in the life cycle can often cause this. I had a plant (LSD-25, there's a diary on here of that plant) that I topped too early. It caused the plant to grow all funky -- very sparse. Yours isn't quite as bad as mine was, but I just want to mention that it might not be something you're doing NOW, but possibly something you did a few weeks back that caused it to stunt. Again, I think you'll get a decent yield off this. It looks like it's going to bulk up nicely!
CRiSPrGrow
CRiSPrGrow
@Grow413, yes for sure you want to be maxed out lux wise at this point just turn it up lol . Molasses is easy one tablespoon a gallon you'll be alright. just dilute it first!
Chi_Town_White_Boy
Chi_Town_White_Boy
@Grow413, The only thing about dialing it up is that, like @bulbi said, you want to watch out for heat. In all honesty, this doesn't look terrible for a grow. It will definitely bulk up -- all of the pistils look white. There's a lot more time for them to flower -- I'd say easy 4 weeks to harvest, likely more. You're going to see a bulking up next week. Your leaves all look green and healthy. It doesn't seem like nutrient burn is a problem -- so the ppm level is okay. There's no scorching or tacoing, is there? If there is -- and I'm not seeing it -- then you have a heat issue. If no tacoing, which is usually an earlier sign than others, then you're fine with heat -- no problem. It could be too cold, like I mentioned earlier. Lastly, while you dont have a light penetration problem, you have some MASSIVE fan leaves. You may consider removing some of the top most ones like that. I say that because it's using a lot of nutrients to sustain those massive leaves. By removing only a few (the massive ones), it seems to force the plant to focus on the buds -- or at least the rest of the plant. I think you'll get a decent yield off this. It may have stretched too much and you wont see long, massive buds -- but collectively you'll get a decent yield. Keep us posted! ๐Ÿ‘
MUDBUG
MUDBUGweek 9
I would cut the top leaves off ๐Ÿ‘๐Ÿ‘
MUDBUG
MUDBUG
@Grow413,Yes it does waste energy trying to fix itself those leaves will die off turn all ugly up there u dont need em ๐Ÿ‘๐Ÿ‘
Grow413
Grow413
@MUDBUG, yea? Iโ€™ll give that a try. Is that to just put more focus into the buds?
The_Projexx
The_Projexxweek 11
looking good man ! :D Good job on your grow/harvest !
Grow413
Grow413
@The_Projexx, Thanks man!
Nebula420
Nebula420week 11
Happy harvest, nice indica strain.
Grow413
Grow413
@Nebula420, Thanks! cant wait to see how she smokes!
iMeus
iMeusweek 6
Growing a White strain myself, lovely girls :)
CRiSPrGrow
CRiSPrGrowweek 6
hey there , they are a bit small, but I'm guessing the lights are just a little bit weak for them. Why not try upping the nutes a bit with some molasses and a bloom booster like mag sulfur. the substrate's a tiny bit cold , but still quite alright. Your lamp to plant distance is dangerously close, it could be stressing out the plant, you want to up that to around 40/50cm minimum. Just dial it in this strain picks up later anyway. Good luck ! ๐Ÿš€
HighTV
HighTVweek 11
Nice looking harvest @413 congratulations. Looks like the heat stress there at the end didn't mess the crop up thankfully. Hows the smoking taste ๐Ÿ˜Ž
Grow413
Grow413
@HighTV, Thanks! yea the bigger one got a little crunchy but after some time in jars they got a little more sticky. Taste is great! earthy with a bit of citrus and sweetness.
Stick
Stickweek 11
Congrats on your harvest ๐Ÿ’ช
Grow413
Grow413week 6
So I turned my light up to the full 400W and that helped the temp get into the 80's. Ill monitor the temp of the canopy better once my laser thermo comes in. I had been trimming the fan leaves off all along but didn't want to go too far and stress them too much. I did top both of them during veg but I missed on the smaller one and ended up just deforming a few leaves and stunting the growth lol but the larger one I topped correctly well into veg. I also had spider mites in the beginning but I eliminated them 100% just as they were going into flower so I'm sure that helped slow them down. My previous two grows got to this point and didn't get any bigger and I ended up with small fluffy buds that were not great to smoke, hence my concern, but my set up was shit compared to what I have now lol so I'm definitely feeling more confident in these, they look pretty happy, Ill just have to be more patient haha I appreciate all the advice! Ill post an update in a week or so. Thanks!