Reversing sex or creating s1 seeds with calloidal silver liquid
Hey everyone just wanted to jump right in and make a post about reversing female plants with the use of colloidal silver liquid to spray onto plants to induce hermaphroditic traits creating a pre dominant female genetic plant in flowering stage to basicly breed with itself and create S1 seeds ... forst generation feminized seeds ... this way you can create your own line of feminized seeds and alwaysvhave cannabis buds thriving in your garden
A few members here do this, Monkey, and Woodi too, im sure they will chime in. Monkey has had a decent run and made lots of beans recently
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- Absolutely man thats what I'm talking about ... so I've done this with great success with Autos as well as photo periods and feminized seeds awesome sauce to say the least although you get a little less beans than with regular pollen chucking it's great ...
@zellisorange making female seeds is good stuff. I started with colloidal silver and had some success but found the process too busy and the results were inconsistent for us. Last run I switched to Silver Thiosulfate, STS, first by using a commercial product and then by making the STS from basic chemicals. We found the STS to be easier and more effective than CS and fairly inexpensive to make. Seed yields were crazy good for small plants. Currently got a couple S1 and F1 crosses in the making. Just started treating the first one today. These are regs so its fun making sure you're dealing with a true reversed female vs an actual male.
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@zellisorange, welcome to Percy's. Yeah the CS works and like @Monkeydo I'm using the STS and for the first time doing auto's too. Nothing completed yet but everything is coming together. The auto's are regs and I'm reversing clones and waiting for the receiving plant to confirm sex but spraying away. CS works but a lot more spraying.
Start a diary if you can, if you got something going.
@zellisorange Iv just finished reversing a Panama using CS and I used it to pollinated another Panama and she's full of seeds now, I think she's about week 6-7 of flower. I have the pollen in the freezer and Im going to be putting some on a few more strains that will be flipped this next week.
But like Monkey and Woodi im going to be trying the STS next time if I can manage to make stuff.lol 🙂
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@brewer76 been meaning to get this up so I finally sat down and did the write up.
Making homemade STS solution for reversing female plants
What you will need
- Silver nitrate, it’s relatively expensive but you won’t need much
- Sodium Thiosulfate (anhydrous or pentahydrate, amounts will be different)
- Distilled or RO water
- 2 dark colored stock bottles with tight fitting caps, 500ml or more
- One 240ml spray bottle, dark colored glass works great
- a container to mix chemicals in, a liter or more in volume
- Scale, must be able to measure down to 1 milligram
- Rubber gloves, mask, and safety glasses (safety equipment)
I’m not going to cover how to use the safety equipment, just put it on now before we start. You only get one set of eyes and lungs so take care of them!
Start by measuring 2 grams of Sodium Thiosulfate Anhydrous or 3 grams of Sodium Thiosulfate Pentahydrate, depending on which one you have. You don’t need or want both, either one will work just fine. The pentahydrate has some extra water molecules so it takes more to do the job. I use the Sodium Thiosulfate Anhydrous in my STS. Put the measured chemical in a container and add 500ml of distilled or RO water. Mix until all powder is dissolved then pour into a dark container. Label this solution “A” and put aside
Thoroughly clean your mixing container or use a clean one in the next step
Measure 0.4 grams of silver nitrate and put it into your mixing container. Add 500ml of distilled or RO water and stir till the powder is dissolved. Move the mixture to a dark glass container for storage and mark this “B”. Set aside.
These 500ml stock bottles can now be used to create ten, 500ml bottles of STS spray. Store these stock bottles in a dark refrigerator and they should be good for at least one year. When you’re ready to use the STS spray, divide the total volume of the spray you want to make by 10. As an example, I use a 240 ml bottle so dividing by 10 is 24ml. I add 24ml of “B” solution to the empty bottle, then add 24ml of “A” solution. It’s very important that you always add “B” first or the reaction will suffer. After the 2 solutions are gently mixed, fill the bottle with distilled water and then add several drops of dish soap for a surfactant. Spray the nodes of the plants to be reversed every 5 days with this mixture for 6 applications and you should see the male flowers form. Mixed STS is good for about one month if stored in a dark container and in the refrigerator.
In my opinion this was tons easier than making Colloidal Silver, worked easier and was consistently more reliably. This all comes from a YouTube video.
There’s a video there that shows how to make STS in single size bottles at a time. I didn’t try it so I didn’t link it. It might work but I know that this absolutely works for me.
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