[h=4]THE PROCESS[/h] "We select between four and six plants, and we take them from a vegetative state into the flowering cycle. When we trigger them under 12 hours of light, we spray them while they're in their dark period with a heavy dose of STS formula. Basically, five milliliters to every one liter of distilled water. When they're sprayed, we give them a 15-minute break period, then we spray them again - typically over six plants, we'll use about four liters of distilled water (with STS formula mixed in). It's kept refrigerated.
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Pre-vegged female clones are introduced to the hermaphrodite/sprayed plants. Later, when pollen is released, the pre-flowering females are impregnated, making feminized seeds.
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"Then, once we spray, we allow the hormones to trigger, and the onset of flowering will begin. Five to six days afterward (depending on the strain and the quickness of flower) we spray it again with about three-and-a-half to four liters of distilled water mixed with STS formula. Fifteen minute break, and then we spray them again with the same dosage. Then, seven days from that point, we spray them a third time with a very heavy dosage, and we'll use up to six liters of a mixed STS formula. On that three-week period, the plants have fully-induced into flower, and then we begin to see the onset of hermaphrodites starting to occur.
"From that point we take female clones that have already been pre-vegged, and we take them into the room and introduce them to the hermaphrodite/sprayed plants. When the release of pollen occurs, in another two weeks - so that would be five weeks of the hermaphrodite plants flowering - they release pollen, and the new female plants that have just started their pre-flower accept that pollen and, thus, make feminized seeds.
"We remove the STS-sprayed plants after seven weeks of flowering, and we allow the female plants to finish their flowering period with plenty of breathing room, too. So, that's how we do it. It's complicated, but it works; and it's all about timing."
Genetics are not the only concern: the quality of a person's grow room helps to insure either success or failure, depending on the efforts of the grower. This will also affect the quality of seeds. In computer terms: garbage in; garbage out. For this reason the DHSC attempts to produce their seeds carefully and in good conditions.
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Usually, males and hermies are plants that one would avoid having in one's grow room.
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"We provide [our seeds] to certain growers to test, and they test them for us straight away; they grow them out and each grower will give us feedback."
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"We're using an organic mix, a soil and worm casting mix with good nutrients, because we want to provide good seeds. We use grow tents. We use 600w HPS lights; we use what works. Until they come up with a new invention we won't use anything else. LEDs just don't work: this is seed production. We treat it as though we were flowering the weed. Giving it everything we can, providing everything that's good for it: all of the best nutrients we can, the best medium. We don't do it for flavor, but we provide it with some guanos and some of these basic, organic composts to allow it to naturally grow, to give you a harder, solid shell on your seed. It's about giving you really good seeds that will last long-term in storage.
"One 600w HPS is used over each meter, and we grow typically between 12 and 20 plants in six- to eleven liter pots, depending on what we're doing and how big the plants are. We don't use RO water because we don't stay in these places too long; we don't want to have leaks and we don't trust taps and stoppers and all that. It just isn't 100% safe for us; it's more about safety than anything. The water in Amsterdam is really good anyway - I think if you look up tap waters around the world, Amsterdam is known for having a really good source of tap water.
"Our seeds are stored at room temperature for preservation; we believe that if you want to store your seeds in the refrigerator for long-term, that's your choice as a customer. For us, as seed producers, we keep them at room temperature and when you get them it's up to you to wake up the seeds. When you put them in storage for long periods you can put them in the fridge, but we don't do that because if we refrigerate them and there's a power outage, we lose our entire batch of seeds.
"We also know from experience that it's better to store them at room temperature in a cool, dry, dark place, for three to five years if in an air-tight container. Basically, if you want to do refrigerated storage that's your decision; but it isn't recommended for us to do it because of the large volume we have."