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Regeneration - by Ed Rosenthal|
After the marijuana plant has ripened and the flowers have reached full maturity, it still responds to changes in its environment. Plants can be regenerated and can yield a second, third and possibly even more harvests.
In its natural environment, marijuana flowers in the fall, and then dies as the environment becomes inhospitable and the number of daylight hours decrease. However, if the day length increases, the plants soon begin to revert from flowering to vegetative growth. At first, the plant produces single-fingered leaves, then 3 and 5 fingered leaves. Within a few weeks the plants grow at the rapid vegetative rate.
There are several advantages to regeneration marijuana plants rather than starting from seed. The plant has been harvested and its qualities and potency are known. The plant has already built its infrastructure. Its root system and main stem are already grown so that it takes less energy and time for the plant to produce new vegetative growth in 45 days that takes a plant started from seed in 75 days.
To regenerate a plant, some leaves and bud material are left on the stem as the plant is harvested. The stem may be left at nearly its full length, or cut back to only a few inches from the ground. The more stem with leaf material left on the plant, the faster it regenerates, as new growth develops at the sites of remaining leaf material.
The plant started flowering in response to a change in the light cycle. To stop the flowering process, the light cycle is turned back to a long day period. The plant reacts as if it had lived through the winter and renews growth as if it were spring. Within 7 - 10 days new non-flowering growth is apparent.
Marijuana seems to react fastest to the change in light cycle when the light is kept on continually during the changeover period. After it has indicated new growth, the light cycle may be adjusted to the normal garden lighting cycle.
Regeneration - By Nirvana
It is possible to harvest plants and then rejuvenate them vegetatively for a 2nd and even 3rd harvest. A second harvest can be realized in as little 6-8 weeks. Since the plant stalk, and roots are already formed, the plant can produce a second, even third harvest of buds in little more than half the time of the original harvest. When harvesting, take off the top 1/3rd of the plant. Leave most health fan leaves in the middle of the plant, cuttings buds of branches carefully. On the lower 1/3/rd of the plant, take off end flowers, but leave several small flowers on each branch. These will be the part of the plant that is regenerated. The more bubs you leave on the plant, the faster it will regenerate. Feed the plant some Miracle Grow or any high nitrogen plant food immediately after harvest. When you intend to regenerate a plant, make sure it never gets too starved for nitrogen as it is maturing, or all the sun leaves will fall off, and your plant will not have enough leaves to live after being harvested.
Harvested plants can come inside for rejuvenation under continuous light or are left outside in Summer to rejuvenate in natural long days. It will take 7-14 days to see signs of new growth when regenerating a plant. As stated before, and in contrast to normal growth patterns, lower branched will be the first to sprout new vegetative growth. Allow the plant to grow a little vegetatively, then take outside again to reflower. Or keep inside for vegetative cuttings. You now have two or three generations of plants growing, and will need more space outside. But you will now be harvesting twice as often. As often as every 30 days, since you have new clones or seedlings growing, vegetive plants ready to flower, and regenerated plants flowering too.
Regeneration indoor can create problems if your plants are infected with pest. It may be best to have separate area indoors that will not allow our plants to infect the main indoor area. An alternative to regeneration indoors is to regenerate outdoors in the summer. Just take a harvest in June, then allow the plant to regenerate by leaving some lower buds on the plant, and leaving the middle 1/3rd of the plant leaves at harvest. Feed it nitrogen, and make sure it gets lots of sun. It will regenerate all Summer and be quite large by Fall, when it will start to flower again naturally.
This info was copied from one of Ed's books and the Nirvana Grow Guide by Rodge 420
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