Feminized seeds & hermies. Do you want to know the truth?

Hi everyone,

I would like to know if you ever heard of security seeds that sometime females grow inside the cola?

I'm giving you the hint because I knew some very good inside hydroponic cannabis grower, who called them security seeds when they find some, usually no more than one or two seeds in the cola only, and they also says that they are in most case 90% "female" seeds.

Those guys are good at what they do, so no doubt in my mind that it happened without the presence of male or hermie... My own experience also tell's me that it doesn't seem to alter the THC production and taste on those specials females (not all plants on a crop have those so called, security seeds hidden in cola). They also always refer to the fact that sometimes female strongly need to perpetuate in a let's call "lesbians environnement" (also seen this argument everywhere on forums).

For my part, I'm having problems right now. I have started 10 unknown kind probably blueberry or bubble gum "maybe" security seeds if it exist found in a dealer's bag that a friend bought and it was similar as what we are used to smoke (indoor hydroponic blueberry or things like that M39 at most cheapest without seeing seeds in it since 1992 or so lolll before that we were smoking hashich from jamaica afghanistan colombia or cashmire), so at first I germed 9 plants that I didn't have a clue what they were, so I've made 2-3 cuttings on each one and put them in flowering. When everybody showed signs, I was clearly having 1 male and a bit later the rest were females. Thrown away the males (consider that when a male show's itself, you have sometime as low as 24 hours before they put you in deep shit). I was now having 26 females (18 who have been reversed rapidly into vege) to make my cuttings, made two pans of 80 babies for a total of 160, 5 plants per square foot on a sea of green with 2x1000watt HPS 4'x8' flooding table with 45 gallons tank and pump in 4"x4" rockwool, considering to add CO2 apport soon, hoping to get 2 pounds of cannabis at the end of the process.

All of them where put on table in a 5 days gap period.. They where all about the same size 3" to 5" then I've put them in flowering. Note that I have at that time 8 big 36" tall and 18 large 18" tall outside the table in pans that I manually feed + 160 babies on table. All my lights fans and water are on timers on 12/12 with 3 to 4 feedings a day depending on exterior temperature. The temp are 15C at night almost 25C in hot daytime with 50-60% humidity, no pest of any kind no noticable deficiency neither. The day and night period are respected with no light at all at nightime and a+b vege was used and a+b bloom fertilizer on a 7 days water flushing schedule and daily fresh water to keep level. Since I don't know what kind of cannabis I'm playing with, it will be hard to know when to flush with fresh water for the last two weeks, but I will try to get help from a veteran green thumb and a good magnifier. By now I was living on a dream.........

But after 1 week, surprise... 1 or 2 grapes of 3 balls on about 10 already flowering and so nice females. There was nothing in the morning and when I came back from work at 5.. hello problemo, this was on last friday. Considering the 5 days gap between the two cuttings pan I'm on constant alert to chop those hermies as soon as they appear. My final thinking is that I was first having 1 maybe male and a bunch of I don't know what. By now one of the first 8 big has hermie caracteristics and is already gone. The things I have learned is that you must always mark every one to know which moms they came from even if you were sure of sex. Starting from seeds is one of a kind experience that I will try to bypass next time by finding someone who can provide me with already known female cuttings. So it may be true (I hope..) that security seeds exists and (I hope..) that in a proportion of 90% females 10% males or hermies/shocked females depending on your allegience. Near future will tell in my case. I pray everyday that they are not already ALL in seeding process.

For those asking if cannabis pollen is nefast if drop in a female crop, I've heard that for certain species, if you don't desinfect 2 or 3 times EVERYTHING, it can be present and viable for 150 years... I'm not pretending to be nowhere near an expert, but maybe it's also part of the answer you're looking for.. Nothing can be taken for sure when mother nature is involve...


P.S. Sorry, if you don't understand everything I'm french speaking.

Buddy232 said:

Cannabis isn't a special plant at all.

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Wow... I hope you're kidding or maybe I'm misunderstanding you. Cannabis is not a special plant? At all? How about these little trivia bits: Cannabis is the only plant in the world that outwardly shows female or male sex. This plants seed is the only food in the world that has every single amino acid found in nature. Cannabis may possibly be the most benign compound in the universe. Scientists are not even sure that it's possible to die from this plant. The stalk of this plant produces some of the strongest, smoothest, most supple fiber in the world, by far superior to any other plant fiber. The medicine from this plant is absolutely unique. Not only is it in the top 5 herbs in Chinese herbalism, it was in 75% of our prescriptions until it was made illegal. It's resin cures some of the most otherwise untreatable diseases and symptoms.

Buddy232 said:

I'm not even going to spend more than a couple minutes respond to this... I quit. Please be advised no one is going to listen to or believe in you fellas stoner bs logic, except maybe so fellow stoners. Funny nobody has taken an interest now, except me telling others to beware and of course telling you repeativly [sic] how wrong you are.

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In other words, apart from invective and appeal to authority, you aren't willing to make an actual argument. Gotcha.

Thanks for advising me that nobody outside the readers of this thread are looking at this. I was really hoping that the editors of the Proceedings of the National Academy of Science were going to find their way here and publish my posts, but alas, you've dashed my hopes.

And please don't try to give me a lesson on the history of anything. I've done more acclaimed work in my life than you've ever read about.

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I guess it hurts your feelings when other people point out your mistakes.

Leaving aside for the moment that you clearly haven't the foggiest clue what my personal background is, you're actually claiming that since you've done some good work in your life, you're an expert in everything? That's an interesting perspective.

I suspect that there are plenty of posters on this board that have been breeding and cultivating cannabis longer than you've been alive, including at least a few who might be considered "acclaimed" in that area, though I guess that doesn't matter to you, since obviously your knowledge exceeds their experience.

potpimp said:

Wow... I hope you're kidding or maybe I'm misunderstanding you. Cannabis is not a special plant? At all? How about these little trivia bits: Cannabis is the only plant in the world that outwardly shows female or male sex. This plants seed is the only food in the world that has every single amino acid found in nature. Cannabis may possibly be the most benign compound in the universe. Scientists are not even sure that it's possible to die from this plant. The stalk of this plant produces some of the strongest, smoothest, most supple fiber in the world, by far superior to any other plant fiber. The medicine from this plant is absolutely unique. Not only is it in the top 5 herbs in Chinese herbalism, it was in 75% of our prescriptions until it was made illegal. It's resin cures some of the most otherwise untreatable diseases and symptoms.

Click to expand...

I think what Buddy is saying is that ultimately cannabis is still just a plant, and that generalizing, what applies to other plants still applies to cannabis.

But being just a stupid stoner, maybe I'm wrong about that. I guess we should consider ourselves lucky he wastes his time here with us deranged stoners when he could be using it to do other acclaimed work.

On the content of your post, I believe that there are many other types of dioecious plants that show distinct male and female forms, including the common willow tree.

Stipulating that hemp seeds are the "perfect" foodstuff, as some have claimed, I believe the biggest "real-world" nutritional advantage of them is the advantageous fatty acid content, not the amino acid content per se. Having every amino acid in one food is nice, but like most organisms, human beings can synthesize various amino acids from scratch or transform one type into another. Not only do you not really need to get all of them from one type of food, you don't even necessarily need to get all of them at ALL, only the "essential" ones. Also, it might not be PC, but eating meat will give you all the amino acids you'd ever need as well as most other nutrients (including iron).

Yes, for a psychoactive drug, cannabis is remarkably non-toxic, but isn't calling it "the most benign compound in the universe" a little bit of an exaggeration? THC is more benign than water or nitrogen? Hemp is more benign than celery?

You say nobody has ever died from cannabis? Agreeing that its debilitating effect is far less than that of alcohol, I'd say in the course of human history cannabis intoxication has at the very least probably been a contributing factor to fatal motor vehicle and other accidents. People definitely have died from smoking cannabis, even if the death was attributable to contaminants in the product or the toxic effect of the smoke, rather than the pharmaceutical properties of the cannabis. For example, here's a classic article about an immunosuppressed cancer patient dying from smoking contaminated weed:

Chest. 1988 Aug;94(2):432-3.
Fatal aspergillosis associated with smoking contaminated marijuana, in a marrow transplant recipient.

Hamadeh R, Ardehali A, Locksley RM, York MK.
Source

Department of Medicine, University of California San Francisco Medical Center.


Abstract

A 34-year-old man presented with pulmonary aspergillosis on the 75th day after marrow transplant for chronic myelogenous leukemia. The patient had smoked marijuana heavily for several weeks prior to admission. Cultures of the marijuana revealed Aspergillus fumigatus with morphology and growth characteristics identical to the organism grown from open lung biopsy specimen. Despite aggressive antifungal therapy, the patient died with disseminated disease. Physicians should be aware of this potentially lethal complication of marijuana use in compromised hosts.

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Did I "cite" that one correctly?

Obviously hemp can potentially be fatal in other ways, IF applied "correctly":




Hemp fiber has multiple advantages, but whether or not its "superior" to other natural fibers is really a question of the application. As one example, unless specially processed the fiber is relatively coarse. I don't think most people would want to wear 100% hemp underwear, for example, and for this reason when used in clothes, hemp is usually mixed with cotton and/or other fibers. Even if hemp were 100% legalized for widespread commercial use yesterday, it still wouldn't entirely displace cotton, flax, silk, or any number of synthetic fibers that all have their own "niches". It hasn't done so in the places where it IS absolutely legal.

Stipulating that cannabis was widely used as a prescription drug in the USA 80 years ago or was/is used in Chinese or other herbalist medicine doesn't necessary speak to its efficacy or safety as a drug today.

Prior to the 1930s the medical pharmacopia was WIDELY different than it was today. Back then opiates were also a major constituent of many medications, and I think most people would agree that wasn't a good thing. There were also all kinds of medications available that contained highly toxic active ingredients like mercury and arsenic. Most of the really good medications we have today (eg antibiotics, anti-hypertensives, cancer chemotherapy agents, non-aspirin NSAIDs, etc, etc) simply didn't exist then.

Bluntly, I'm not aware of ANY disease that cannabis resin (ie hashish) CURES.

Again, that's not saying it doesn't potentially have medical application in treating certain conditions or relieving certain symptoms, or even that its not better than every other drug for CERTAIN applications. But let's not assign "magical" curative properties to a drug that's been in wide human use for several thousand years. If it actually "cured" anything, that would be well established by now, and this drug probably never would have been subject to the draconian ban it currently enjoys in many/most jurisdictions.

And to be clear, I'm not "anti" medical marijuana. To the contrary, I think there are certain medical applications where its a potentially good drug, or maybe even the best available one. Its just that the number of these conditions is pretty limited, and not nearly so many as the diehard cannabists would have you believe.

Well I guess I'm just a complete fuck-tard. There are obviously exceptions to everything but I was talking as a general rule; I thought that was understood in normal conversation. I don't bother to Google every fucking thing that someone else says and I'm not pedantic to point out every detail if someone else is wrong unless it is going to cause harm. There is a difference between getting stoned and dying in a car wreck but it's stupidity and bad judgement that caused that, not cannabis. Over 100 people a year die from aspirin. How many have ever died from cannabis ingestion? I have two shirts made of hemp and, through the processing, it is the softest shirts I own. They were nearly $100 each and they will last forever. Maybe I didn't phrase my words perfectly but hell, I'm just a fucking stoner, right?

Buddy232 said:

No you can't get a sticky.

This is the worst post I've ever seen. Don't try to randomly make a topic and force feed people with information that you, with no formal training and what appears not much knowledge at all in how biology works, created as a result of running a "30 day test". You've got to be kidding.

THIS IS HOW THE MISCONCEPTIONS ARE SPREAD. BECAUSE OF DB'S LIKE YOU. And yes, I did work like this (not with mj) for 10 years. So I CAN come in here and tell you that your a complete fool.

Wow, ask anyone on here who know's me and they will tell you I'm the nicest person, but that had to be said and it felt good.

Bud

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That nasty-arse scorp needs a steppin-on. I'm happy to do it, I loathe Arachnids. Never even seen a Scorpion live in the flesh, but they look - fittingly - like a spiders creepy cousin.

Jogro said:

I think what Buddy is saying is that ultimately cannabis is still just a plant, and that generalizing, what applies to other plants still applies to cannabis.

But being just a stupid stoner, maybe I'm wrong about that. I guess we should consider ourselves lucky he wastes his time here with us deranged stoners when he could be using it to do other acclaimed work.

On the content of your post, I believe that there are many other types of dioecious plants that show distinct male and female forms, including the common willow tree.

Stipulating that hemp seeds are the "perfect" foodstuff, as some have claimed, I believe the biggest "real-world" nutritional advantage of them is the advantageous fatty acid content, not the amino acid content per se. Having every amino acid in one food is nice, but like most organisms, human beings can synthesize various amino acids from scratch or transform one type into another. Not only do you not really need to get all of them from one type of food, you don't even necessarily need to get all of them at ALL, only the "essential" ones. Also, it might not be PC, but eating meat will give you all the amino acids you'd ever need as well as most other nutrients (including iron).

Yes, for a psychoactive drug, cannabis is remarkably non-toxic, but isn't calling it "the most benign compound in the universe" a little bit of an exaggeration? THC is more benign than water or nitrogen? Hemp is more benign than celery?

You say nobody has ever died from cannabis? Agreeing that its debilitating effect is far less than that of alcohol, I'd say in the course of human history cannabis intoxication has at the very least probably been a contributing factor to fatal motor vehicle and other accidents. People definitely have died from smoking cannabis, even if the death was attributable to contaminants in the product or the toxic effect of the smoke, rather than the pharmaceutical properties of the cannabis. For example, here's a classic article about an immunosuppressed cancer patient dying from smoking contaminated weed:



Did I "cite" that one correctly?

Obviously hemp can potentially be fatal in other ways, IF applied "correctly":

View attachment 1968958


Hemp fiber has multiple advantages, but whether or not its "superior" to other natural fibers is really a question of the application. As one example, unless specially processed the fiber is relatively coarse. I don't think most people would want to wear 100% hemp underwear, for example, and for this reason when used in clothes, hemp is usually mixed with cotton and/or other fibers. Even if hemp were 100% legalized for widespread commercial use yesterday, it still wouldn't entirely displace cotton, flax, silk, or any number of synthetic fibers that all have their own "niches". It hasn't done so in the places where it IS absolutely legal.

Stipulating that cannabis was widely used as a prescription drug in the USA 80 years ago or was/is used in Chinese or other herbalist medicine doesn't necessary speak to its efficacy or safety as a drug today.

Prior to the 1930s the medical pharmacopia was WIDELY different than it was today. Back then opiates were also a major constituent of many medications, and I think most people would agree that wasn't a good thing. There were also all kinds of medications available that contained highly toxic active ingredients like mercury and arsenic. Most of the really good medications we have today (eg antibiotics, anti-hypertensives, cancer chemotherapy agents, non-aspirin NSAIDs, etc, etc) simply didn't exist then.

Bluntly, I'm not aware of ANY disease that cannabis resin (ie hashish) CURES.

Again, that's not saying it doesn't potentially have medical application in treating certain conditions or relieving certain symptoms, or even that its not better than every other drug for CERTAIN applications. But let's not assign "magical" curative properties to a drug that's been in wide human use for several thousand years. If it actually "cured" anything, that would be well established by now, and this drug probably never would have been subject to the draconian ban it currently enjoys in many/most jurisdictions.

And to be clear, I'm not "anti" medical marijuana. To the contrary, I think there are certain medical applications where its a potentially good drug, or maybe even the best available one. Its just that the number of these conditions is pretty limited, and not nearly so many as the diehard cannabists would have you believe.

Click to expand...

It treats stress with similar effectiveness to anti-depressants, anxiety (again, assuming cannabis doens't 'react bad, incude paranoia in the individual) is completely abolished in most people who smoke it. Just as canna can cause paranoia etc in some people - too - so too, anti-depressant medications can react equally poorly, and is rather ineffective, I think.

Wow, thank you very much for your posting...........I've search several sites for information about hermies and such. U layed everything out simple for new growers (such as myself), trying to polinate. I rlly appreciate ur post =)

Thank You!

whats with these grapefruit for 2012 ? they are going fucking crazy with sex change, balls and seeds everywhere, anybody this 2012 get any bad batches of hermies ?
i know its an old thread but would like to know. thier black sugar is unreal, its amazing and fast nevillies haze does finish in 8 weeks and is remarkable high.
but i woke up at 4pm next day, but then again i did not sleep until 5am over it, lol,lol.

themanwiththeplan said:

I'm really tired of seeing 20,000 threads/posts wondering if feminized seeds are more prone to going hermie than reg seeds or people claiming that fem seeds are prone to going hermie...

heres the truth...for the last time:

FEMINIZED SEEDS ARE NOT MORE LIKELY TO TURN HERMIE THAN REGULAR SEEDS! PERIOD!



Want to know WHY a feminized bean isnt any more likely to turn hermie than regulars?

regular seeds are made from crossing a male (xy) and female (xx) cannabis plant. therefore the offspring can be either xx or xy...correct? yes.

ok.

feminized beans are generally made in a few different ways but lets use the colloidal silver method. say one female plant is sprayed with the CS and bananas grow. pollen sacs burst...either get itself preggo (S1 seeds would result btw) or the pollen from one female treated with CS is used to get another female preggo.

even though the CS was used the plants are still both female (xx)....so xx + xx can't equal xy (male)...

thats not to say you can't have bad genetics that will go hermie. regular beans DO have hermies...not just feminized seeds. generally seeds from a reputable breeder will stay female no matter how much you stress them. generally if you get a hermie from a fem bean its because of a fault in the genetics.

Ive tested this theory by light/nute poisoning a plant from dutch passion for over 30 days. it got extremely stressed but did not show one pollen sac!

So this is just my attempt to put an end to the "do fem seeds go hermie" threads as well as the (no offense) idiots that say, "dont buy fem seeds...you'll just get hermies"

Also sativa or sativa dominant strains DO TEND TO HERMIE MORE OFTEN/EASILY THAN indica or indica dominant strains. that i dont have an explanation for but ive noticed a pattern regardless if those sativas or indicas came from reg or fem beans.

so its completely safe to buy fems or use them along side regs, etc.










can i get a sticky?

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potpimp said:

Wow... I hope you're kidding or maybe I'm misunderstanding you. Cannabis is not a special plant? At all? How about these little trivia bits: Cannabis is the only plant in the world that outwardly shows female or male sex. This plants seed is the only food in the world that has every single amino acid found in nature. Cannabis may possibly be the most benign compound in the universe. Scientists are not even sure that it's possible to die from this plant. The stalk of this plant produces some of the strongest, smoothest, most supple fiber in the world, by far superior to any other plant fiber. The medicine from this plant is absolutely unique. Not only is it in the top 5 herbs in Chinese herbalism, it was in 75% of our prescriptions until it was made illegal. It's resin cures some of the most otherwise untreatable diseases and symptoms.

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Just breezing through. This is the best post I have read online concerning cannabis period. Much Respect.

it may not be resin, but the phoenix tears method (15 lbs of 25% THC cannabis) cures terminal cancer, or at least thats what the press claims.

theendoftheworld said:

it may not be resin, but the phoenix tears method (15 lbs of 25% THC cannabis) cures terminal cancer, or at least thats what the press claims.

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8-0 15lbs!?!? i thought it was 2 lbs of high thc bud?

themanwiththeplan said:

8-0 15lbs!?!? i thought it was 2 lbs of high thc bud?

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well I do remember the creator of the method putting that in the diys and videos on making the tears/medicine. I would post a link up, just lazy today.

theendoftheworld said:

well I do remember the creator of the method putting that in the diys and videos on making the tears/medicine. I would post a link up, just lazy today.

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well damn!

Thats insane.

ill get started on mine asap (always good to plan 4 possible unexpected horrible events in the future)

I skimmed over some of the troll posts, tldr and such...


A feminized seed can not be a hermaphrodite.
By definition a hermaphrodite has an X and a Y chromosome. A feminized seed has only X chromosomes.

When you stress a female cannabis plant it will sometimes exhibit male pollen sacks, "bananas."
That does not make that plant a hermaphrodite. It is just a stressed plant.

Most people that claim to have had a "hermie" really just had a stressed plant. Which will give you fem seeds.

Stress can not be passed on by genetics.


I really do not understand the resistance to fem seeds.
I am pretty much done buying seeds. I'll be making my own.

you are so wrong bro sorry to say. but sometimes the nanners dont have pollen witch is rare bro. and u are right stress dose creat hermis in all weed, but with narmal seeds you really and i mean really have to stress out the plant for it to herm, but a fem seed u top more than once and it herms quick, also the moment nanners start to poop up the production of thc slows all the way down almost because all the energy gose to producing male sacks. and also whats the definition of hermie? having both sexes male and female. and thats what happens when a plant stresses.

i hope you make your own seeds out of regular seed and not fems cuz you will waste ur time and money bro.

Have you ever made Fem seeds?
I have produced seeds using fem seeds. I have grown the seeds I made. I am growing it right now.

You either got bad genetics or you stressed it.
I'd bet on the latter.

There is a difference between a plant that was stressed into showing pollen sacks and a plant that just naturally shows both sex characteristics.
I personally couldn't say if a fem seed is more likely to "hermie" or not, because I have never seen it.
I have seen regular seeds "herm" because I screwed them up when I didn't know what I was doing.

Skimmed thru, and a few questions. By using colloidal silver say, on a branch, and forcing a plant to pop balls, you can pollinate that *same* plant and get fem seeds, right? Friend has one plant she really wants beans from for next year.

I've heard of colloidal silver, where do you get it and how do you use it? Are there other ways to stress force at least a small amount of pollen? What about at harvest, if some bottom popcorn buds and branches are left, would the plants pop a few manners as a survival method?

Trousers said:

I skimmed over some of the troll posts, tldr and such...


A feminized seed can not be a hermaphrodite.
By definition a hermaphrodite has an X and a Y chromosome. A feminized seed has only X chromosomes.

When you stress a female cannabis plant it will sometimes exhibit male pollen sacks, "bananas."
That does not make that plant a hermaphrodite. It is just a stressed plant.

Most people that claim to have had a "hermie" really just had a stressed plant. Which will give you fem seeds.

Stress can not be passed on by genetics.


I really do not understand the resistance to fem seeds.
I am pretty much done buying seeds. I'll be making my own.

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amen! if ppl get herms from fem seeds either its stressed like you said or its because they bred with hermies to begin with which would effect future generations.

UGGEB420 said:

you are so wrong bro sorry to say. but sometimes the nanners dont have pollen witch is rare bro. and u are right stress dose creat hermis in all weed, but with narmal seeds you really and i mean really have to stress out the plant for it to herm, but a fem seed u top more than once and it herms quick, also the moment nanners start to poop up the production of thc slows all the way down almost because all the energy gose to producing male sacks. and also whats the definition of hermie? having both sexes male and female. and thats what happens when a plant stresses.

i hope you make your own seeds out of regular seed and not fems cuz you will waste ur time and money bro.

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fems will NOT hermie just because its top'd more than once. ive topped twice several times, supercrop, lst, etc. and never had a plant stress to the point of becoming hermie. also...some strains have the hermie trait in the genetic line so you're more likely to get hermies no matter if they are fems or regs...thats not the method/type of seed thats the genetics of the strain. two different things.

many assume by using fems it was bred from a hermie...which that can be true but breeding with hermies is unprofessional. pros either use the CS mixture or let the plants flower for REALLLY long past their point of being ripe (generally those two methods are most common). if you light poison your plant and it throws out bananas then that strain is prone to hermies.

i did a test on light poisoning (leaving my light run anywhere from 30mins to 1 hr during the lights off portion of 12/12 (right smack in the middle of the dark period) and i did this for well over a month. the plant got severely stressed but didnt spit out one banana. not a single one. why? because that strain wasn't prone to hermies.

and yes a hermie is a plant that has both male and female parts on it.

and ive grown far more fem seeds than regs and ive yet to waste money on beans. i grew out almost 40 different fem seeds (all different strains and breeders) before coming across a hermie!

obijohn said:

Skimmed thru, and a few questions. By using colloidal silver say, on a branch, and forcing a plant to pop balls, you can pollinate that *same* plant and get fem seeds, right? Friend has one plant she really wants beans from for next year.

I've heard of colloidal silver, where do you get it and how do you use it? Are there other ways to stress force at least a small amount of pollen? What about at harvest, if some bottom popcorn buds and branches are left, would the plants pop a few manners as a survival method?

Click to expand...

if you use CS on the same plant and allow it to pollinate itself you will make S1 seeds (all the offspring should be practically clones in seed form of the mother plant). the reason being is that when it pollinates itself the genetics are itself x itself. its like if you cloned yourself basically. all plants should be very very uniform overall. so pick a good plant to do it on not the weakest looking of the bunch.

you can get a recipe on how to make colloidal silver on most (including this one) marijuana forums.

DONT stress a plant to get male parts because you're just bringing out the hermie trait (if the strain has hermie in its genetics). well it may be a good idea to test a plant for the hermie trait by cloning your potential plant and stressing it but keeping the original in good shape incase your test clone doesnt turn hermie (not needed if you just grow for yourself/for fun)

use the spray. thats the best way to go. you cant buy it in the strength needed to make ur plants give off bananas so dont use any over the counter colloidal silver.

If you spray a plant to make it produce seeds you may have to leave a branch going much longer to get viable seeds.
If you leave the branch with the pollen too long it can make some underdeveloped seeds.
I would recommend taking two clones of the plant you want. Then you spray one for a week, put it in 12/12 for 10 days while the other clone is in veg.
Then the one that will produce the pollen has ahead start.

You can buy colloidal silver if you do not want to make it. I use Tiresias Mist. You can get it on ebay.