I have some Blueberry x Skunk clones and I want to make feminized seeds

with one of them. I cannot get gibberellic acid locally, and refuse to order it

online, so I am left with only one option, I think, a wacky lighting schedule.

12 on | 5.5 off | 1 on | 5.5 off



I am told that this should force the female to produce male flowers, and

pollinate itself, with all of the resulting seeds being female.



My question is: Is there any other way to produce male flowers on a

female plant?


I included some pics of the clone being used, it is 2 weeks past rooting

and the light being used is a Hydrofarm CFL daylight spectrum. I have

already started the flowering lighting schedule, three days ago.



Any input appreciated, especially any other means of reliably creating a

hermphrodite.


L0rdsOth

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Nutes:
Technaflora's BC Boost/Bloom
Technaflora's Thrive Alive B-1 Green
Pro-Silicate

~575ppm

PH: 5.8

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hey there, you mentioned the two types that i know of... how come you won't get gibberellic acid online? i did and it is not illegal. just wondering. i've been spraying my clones with gibberellic acid and tomorrow will be the 10th day doing that. i have it at 150 ppm solution.

can i ask you about yoru nutes? i just changed my to the same kind you have. am i correct in saying that using BOOST/GROW for veg and BOOST/BLOOM for flowering? and is the thrive alive and awesome blossom just to give it that extra good growing? i guess my main question is can i just purchase BOOST, GROW, BLOOM for both stages and the other stuff is just optional? thanks for any answers you have...

i remember reading in this forum of some other kind of spray you can make to cause male flowers. i'll try to go see if can find it. not sure where it was though

if your plant doesnt make male parts you could just let it flower for too long, it will make males then. I wouldnt recomend doing anything damaging like purposly burning, crushing, nailing, depriving or w.e.
I know people try this and they end up with a dead weed plant

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I got this from Soma a few years back it may help you,

Creating feminized seeds is an art, there are a few different methods of application. I have written about some of my different methods of making seeds in previous HIGH TIMES articles. I have use gibberellic acid, light stress, ph stress, and fertilizer stress to force my plants to make seeds. All these methods are harsh on the plants, and some like the gibbrellic acid, are not organic. In my search for cleaner more earth-friendly ways of working with the cannabis plant, I have found a new way to make feminized seeds.

Feminized seeds occur as a result of stress, other than genetics. All cannabis plants can and will make male flowers under stress. Certain strains like a higher PH, some like a lower one. Some like a lot of food, some like a lot less. There is quite a lot of variety in marijuana genetics, and you can’t treat every plant the same way.

It takes many harvests before you really get to know a particular strain. Just like getting to know human friends, it takes time. I have grown strains for a decade and am truly getting to know every nuance the different plants exhibit. I can recognize them from a distance. I must say that I get a lot of help from my friends, both in making seeds and learning new and better ways of working with this sacred plant.



I named this new method “Rodelization” after a friend who helped me realize and make use of this way of creating female seeds. After growing crop after crop of the same plant in the same conditions, I noticed that if I flowered the plants 10-14 days longer than usual, they would develop male “bananas”. A male banana is a very slight male flower on a female marijuana plant that is formed because of stress. Usually they do not let out any pollen early enough to make seeds, but they sometimes do. They are a built in safety factor so in case of sever conditions, the plant can make sure that the species is furthered.

To me a male banana is quite a beautiful thing. It has the potential of making all female seeds. Many growers out there have male banana phobia. They see one and have heart palpitations, they want to cut down the entire crop or at least take tweezers and pluck the little yellow emerging devices out. I call them “Emergency Devices” because they emerge at times of stress.

In the Rodelization method, the male banana is very valuable. After growing your female plant 10-14 days longer than usual, hang them up to dry, then carefully take them off the drying lines and inspect for bananas. Each and every banana should be removed and placed in a small bag labeled very accurately. These sealed bags can be placed in the fridge for one to two months and still remain potent.

For the second phase you need to already have a crop that’s already 2 ½ weeks into flowering. Take your sealed bag of pollen out of the fridge, and proceed to impregnate your new crop of females. To do this, you must first match the female plant and the pollen from the same strain in the previous crop. Shut down all the fans in the grow room. Then take a very fine paint brush, dip it in the bag of pollen, and paint it on the female flower. Do this to each different strain you have growing together. I have done it with ten different kinds in the same room with great success.

I use the lower flowers to make seeds, leaving the top colas seedless for smoking. This method takes time(two crops), but is completely organic and lets you have great quality smoke at the same time you make your female seeds. If you’re one of those growers that has never grown seeds for fear of not having something good to smoke, you will love this method.

You can also use this pollen to make new female crosses by cross pollinating. The older females with the bananas can be brought into the room with the younger, un-pollinated females when they are three weeks into flowering. Turn all of the circulation fans on high, and the little bits of pollen will proceed to make it around the room. Do this for several days. Six to seven weeks later you will have ripe 100% female seeds; not nearly as many as a male plant would make, but enough to start over somewhere else with the same genetics.

As a farmer who has been forced to move his genetics far away from where they started, I know very well the value of seeds. My friend Adam from THSeeds in Amsterdam has a motto that I love to borrow these days: “Drop seeds not bombs”. Soma

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Zandor

If you go cheap you grow cheap. - Me

Thank you to everybody for the great info. I like the idea of flowering it longer to get the male flowers, I will try it.

Kuri:

You can use the BC boost/grow/bloom without the B-1 or awesome blossoms, but it really helps to have them. As a matter of fact, I don't even use the BC Grow, I use different mixes of BC Boost/Bloom for veg and flowering, however I am planning to switch to GH's Floranova, I like that it is partly organic.

PS. If you want my nutrient recipes, let me know in this thread.


L0rdsOth

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lordsoth, thanks for the offering of your recipe for the nutes. sure i'll take them when you have the time to put it in here. i just started using the nutes 3 days ago and i can see the buds are already reacting nicely to them.

Zandor, thank you for the long detailed idea on how to get male flowers. i just finished my 10th day of spraying gibberellic acid, so i already did that. i really need to get some seeds....

so i have a question about this letting it flower longer. can i go ahead and harvest all the buds that are done and just leave the leftover leaves and stem and just keep it in the 12/12 light cycle and it will bring out the male flowers? i have other girls getting ready to go in the system after this is done so if i can at least get some pollen, that would be excellent....yes, so if you could advise me on if i can harvest the buds when i want and if i just keep the plant going...

also, what is the percentage of success with this method? i know gibberellic is iffy sometimes and i would rather not stress it with light or nutes. does this have a high rate of success? thank you very much

When I first bought these nutes, I used the "Recipe for Success" at 1/3
strength because I use DWC, and I was not at all satisfied with the results,
my plants looked like crap after about 1 1/2 weeks. So I ran out and got a
TDS tester, and the PPM was at 700, way too high for my little plants, so I
did some figuring, and devised these recipes, I have used them from start to
finish with two different strains of cannabis, and both responded well.

However if you want to use the BC grow in the Veg recipe, simply replace
the 30ml BC Bloom with 30ml of BC Grow.

Veg: 40 Liters RO water 30ml BC Boost 30ml BC Bloom 15ml B1 Red
5ml PH Down (nitric acid) 45ml H2O2 3%

Flowering weeks 1-3: 40 Liters RO water 45ml BC Boost 60ml BC Bloom 30ml B1 Red
5ml PH Down (nitric acid) 45ml H2O2 3%

Flowering weeks 4-flush: 40 Liters RO water 60ml BC Boost 90ml BC Bloom 15ml B1 Red
30ml Awesome Blossoms 5ml PH Down (phosphoric acid) 45ml H2O2 3%

Good Luck with the new nutes.

L0rdsOth

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Here are some pics I took today, I thought you all might like them too...

I also would like to mention that I am flowering this plant under my Hydrofarm 125W CFL I only have a daylight spectrum lamp (6400K) for now, but I will get the warm spectrum (2700K) asap.


L0rdsOth

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why

Excellent post....miss your posts, hope all is well...

Thanks,
Treetops