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FarmerRoy I planted the seeds directly in the soil because they are Autoflowers. The lifecycle of autoflowers is set (usually at around 9-12 weeks), so it is recommended to place them directly in the soil to avoid the stress of transpant which can shock the plant and partially stunt growth.
I currently have my light at 70% brightness and 24" above the sprouts, and the seem to be very happy with this. My RH is being maintained around 50%. If my RH drops a bit, i put a bowl of boiling water in the tent to raise the RH and help keep the temperature up. This is a budget way of increasing RH without a humidifier. I did not use humidity domes during germination, but I kept the temperature around 23C and periodically sprayed the top soil to keep it moist.
FarmerRoy My seedlings look healthy, but I am wondering if they are stunted.
I see people posting pictures of their seedlings with captions like 'day 10' and their seedlings already have a couple sets of leaves. However, at day 13 my seedlings were about halfway done developing their first set of 3 fingered leaves.
I started counting with day 1 being the first day that the plant broke throigh the soil. Is this the standard for day 1? Or do people start counting at a different stage of development?
FarmerRoy I am wondering if my plants are slow to develop, or if they have been focusing their energy on developing their roots - progress I would be excited about, but I cant see.
I have raised my lights from 24" to 30" and increased the brightness to 100%. I am only running a 100 watt Spider Farmer SF 1000 in a 27" x 27" x 63" tent, so I figure I can use all the power.
I am letting my soil really dry out in order to give the roots more oxygen. I had been watering lightly with a spray bottle each day, and I wonder if I am stunting the growth by keeping the soil moist. I can see the soil cracking and pulling away from the sides of the pot, but I am going to look at the condition of the plant to determine when to water it. I check on my plants a couple times a day, so I believe I will be able to get them water as soon as they need it.
**Update**
I identified fungus gnats were present in my tent. That explained the slow growth and the twisted and deformed leaves. Apparently gnats are a common problem in organic soil. They lay eggs in the top 2 inches of soil if it is moist. If you let the soil dry out, the larva die off because they need a moist environment to live.
I let the soil dry out for 2 days so far. The gnats are all gone, and the plants are enjoying the oxygen. I dug down in the soil near the edge of the pot and the soil is still moist, so I am going to hold off on watering until I see the plants start to droop.
The growth seems to have sped up as well. New leaves are forming, and new branches are starting to form at the nodes.
FarmerRoy I cant figure out what is causing the leaves on sprout 2 to curl so drastically.
I had fungus gnats appear a week ago so stopped watering the soil because I read that if you let the soil dry out, then the gnat larvae will die and the pest will be gone. It worked, but I think that the larvae may have damaged the roots before the died which caused stunted growth.
I have not substantially watered my plants in 3 or 4 days. They look healthy, so I am going to continue to wait until they begin to droop before I water them.
Any other reason the leaves would be curled like they are?
FarmerRoy My plants seem to be pretty stunted given their size at 28 days. I know it is still early in their lives, but it is hard to imagine them growing any bigger. They have not changed much at all over 4 weeks. We will see what happens.
I moved my clip on fan so that it is now blowing over the plants instead of the light. I have also added a second fan. I hope this will help dry the soil so that I can establish a healthy wet/dry cycle that will allow the plants to thrive.
Both plants are Northern Lights, and this strain has a reputation for being resilient and providing high yields. I am expecting the plants to hit a growth spurt in about 9 days, so we will see if that actually happens.
I have a Seedsman OG kush autoflower in the back which sprouted Dec 25th, and I have a Critical Purple Kush photoperiod seedling that broke soil Dec 16th. I am planning on vegging that one while my autos grow, and then flipping it to flower when I have harvested all the Autos.
Good Luck with your grow !
I’ve heard of the massaging / pinching technique before, forget what the technical term was. In the context I’d read on it, was to generate additional node growth I believe.
@ThePhattKidd,
I have heard of people using the technique for that purpose as well. In that case they usually apply it to a branch and bend it over near its connection to the main stalk.
When it is bent over, the plant thinks it is dead, so it starts forming a new node at that connection, but then the damaged branch recovers as well so you are left with 2 healthy branches from a shared node.
In my case it is only to be applied to the main stalk, and only for the purpose of increasing malleability of the stalk for bending it over.
Here is a link to the video I watched. This fella's LST is really neat and he is able to get the main stalk right over: https://youtu.be/-Dg5hFEvS3E
@Ferenc, thank you!
I picked up the Spider Farmer SF 1000 kit (light, 27" x 27" x 63" tent, fan, filter, etc). I have 2 Northern Lights autoflowering seeds in 5 gal fabric pots with soil.
I am going to LST the plants, and I am interested to see what they will yield.
Stay tuned for updates.