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<blockquote data-quote="Tripco" data-source="post: 12669" data-attributes="member: 617"><p>Stabilnost sorte nema veze ako biljka oprašuje samu sebe. Gentièka informacija je 100% ista (ne raèunajuæi moguænost spontane ili indukovane mutacije). Taj postupak se naziva <strong>selfing</strong>, a u ovom sluèaju sledeæa generacija se ne oznaèava sa F1 veæ sa S1. Meðutim i ovde može doæi do neke vrste inbridne depresije (pojam objašnjen na <a href="http://www.vutra.org/vasasorta.php" target="_blank">www.vutra.org/vasasorta.php</a> , u šestom pasusu pod <em>inbriding</em>) u nekoj od kasnijih generacija. Istrajnošæu i upornošæu se taj problem može prevaziæi.</p><p>Nego, zaboravio sam da pomenem još jedan naèin za dobijanje femine semena, a to je tretiranje ženske biljke srebro-tiosulfatom (STS ili Silver-thiosulfate). To je sprej koji se i na svetskom tržištu malo teže nalazi, ali kako sam proèitao, neki ljudi se kunu u tu supstancu i tvrde da je apsolutno najsigurniji naèin za dobijanje muških cvetova na ženskim (taènije reèeno, muških organa na ženskim cvetovima).</p><p>U nekim starijim tekstovima sam nalazio da se može femine seme dobiti i tretiranjem rastvorom aspirina. To mi je bilo zanimljivo jer je to jedna priruèna i lako dostupna varijanta, ali koliko ima potvrda za to, toliko i osporavanja. Moguæe da nekima to uspeva.</p><p>E, a ovde æu vam uraditi jedan copy/paste za tekst na engelskom koji se može naæi na više mesta na net-u (èisto da smanjim linkovanje na forumu). Tu je prièa ne o feminiziranju semena nego o naèinima za poveæanje broja ženki od standardnog semena. Prvih 7 stavki je provereno taèno. Osma je netaèna (zapravo dešava se èešæe obrnuta situacija - više muških). Za devetu i desetu ne znam. Jedanaesta mi je vrlo zanimljiva i mislim da je moguæa (ali naglašavam, samo mislim), dok je za dvanastu bilo dosta sporenja i ovde na forumu, svojevremeno, ali moguæe je da uspe u tom procentu kako je navedeno, ima nekog smisla.</p><p></p><p>- a higher nitrogen concentration will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks).</p><p></p><p>- a higher potassium concentration will give more males (at the three-pairs-of-leaves stage and continue for two or three weeks).</p><p></p><p>- a higher humidity will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks).</p><p></p><p>- a lower temperature will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks).</p><p></p><p>- more blue light will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks).</p><p></p><p>- Fewer hours of light will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks).</p><p></p><p>- In later stage, as you increase the light, the plants grow faster and show more females/less males. Sixteen hours of light per day seems to be the best combination, beyond this makes little or no appreciable difference in the plant quality.</p><p></p><p>- Another idea is to interrupt the night cycle with about one hour of light. This gives you more females.</p><p></p><p>- Spray dilute Fish Emulsion ( 1 tablespoon per gallon ). When the plants have three sets of true leaves, plus the top sprout, give them a wetting spray of Fish Emulsion. Do it once a day for three or four days. Top and bottom of the leaves.</p><p></p><p>- To achieve 100% female plants is to expose young seedlings for several hours to an atmosphere of Carbon Monoxide. It doesn't hurt the plants, but it could kill you.</p><p></p><p>- Treatment of hempseed with ethylene gas will increase the resulting number of female plants by about 50%. Ethylene is produced by certain plants (i.e., bananas, cucumbers and melons), and these can be used to treat hempseed in a simple manner. About two weeks before you plan to sprout the seeds, place them in a paper bag or envelope and put that in a plastic bag with the peels of a ripening banana or cucumber. Replace the peels after a couple of days, and change the bags to prevent mould.</p><p></p><p>- When hempseed is treated with the female hormone oestrogen, percentage of females that are produced will increase by about 10%. Dissolve a birth control pill in water and soak the seeds overnight in the solution. After the initial soaking, continue to treat the seeds by sprouting them on a paper towel soaked in the solution.</p></blockquote><p></p>
[QUOTE="Tripco, post: 12669, member: 617"] Stabilnost sorte nema veze ako biljka oprašuje samu sebe. Gentièka informacija je 100% ista (ne raèunajuæi moguænost spontane ili indukovane mutacije). Taj postupak se naziva [b]selfing[/b], a u ovom sluèaju sledeæa generacija se ne oznaèava sa F1 veæ sa S1. Meðutim i ovde može doæi do neke vrste inbridne depresije (pojam objašnjen na [url]www.vutra.org/vasasorta.php[/url] , u šestom pasusu pod [i]inbriding[/i]) u nekoj od kasnijih generacija. Istrajnošæu i upornošæu se taj problem može prevaziæi. Nego, zaboravio sam da pomenem još jedan naèin za dobijanje femine semena, a to je tretiranje ženske biljke srebro-tiosulfatom (STS ili Silver-thiosulfate). To je sprej koji se i na svetskom tržištu malo teže nalazi, ali kako sam proèitao, neki ljudi se kunu u tu supstancu i tvrde da je apsolutno najsigurniji naèin za dobijanje muških cvetova na ženskim (taènije reèeno, muških organa na ženskim cvetovima). U nekim starijim tekstovima sam nalazio da se može femine seme dobiti i tretiranjem rastvorom aspirina. To mi je bilo zanimljivo jer je to jedna priruèna i lako dostupna varijanta, ali koliko ima potvrda za to, toliko i osporavanja. Moguæe da nekima to uspeva. E, a ovde æu vam uraditi jedan copy/paste za tekst na engelskom koji se može naæi na više mesta na net-u (èisto da smanjim linkovanje na forumu). Tu je prièa ne o feminiziranju semena nego o naèinima za poveæanje broja ženki od standardnog semena. Prvih 7 stavki je provereno taèno. Osma je netaèna (zapravo dešava se èešæe obrnuta situacija - više muških). Za devetu i desetu ne znam. Jedanaesta mi je vrlo zanimljiva i mislim da je moguæa (ali naglašavam, samo mislim), dok je za dvanastu bilo dosta sporenja i ovde na forumu, svojevremeno, ali moguæe je da uspe u tom procentu kako je navedeno, ima nekog smisla. - a higher nitrogen concentration will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks). - a higher potassium concentration will give more males (at the three-pairs-of-leaves stage and continue for two or three weeks). - a higher humidity will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks). - a lower temperature will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks). - more blue light will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks). - Fewer hours of light will give more females (at the three-pairs-of-leaves stage and continue for two or three weeks). - In later stage, as you increase the light, the plants grow faster and show more females/less males. Sixteen hours of light per day seems to be the best combination, beyond this makes little or no appreciable difference in the plant quality. - Another idea is to interrupt the night cycle with about one hour of light. This gives you more females. - Spray dilute Fish Emulsion ( 1 tablespoon per gallon ). When the plants have three sets of true leaves, plus the top sprout, give them a wetting spray of Fish Emulsion. Do it once a day for three or four days. Top and bottom of the leaves. - To achieve 100% female plants is to expose young seedlings for several hours to an atmosphere of Carbon Monoxide. It doesn't hurt the plants, but it could kill you. - Treatment of hempseed with ethylene gas will increase the resulting number of female plants by about 50%. Ethylene is produced by certain plants (i.e., bananas, cucumbers and melons), and these can be used to treat hempseed in a simple manner. About two weeks before you plan to sprout the seeds, place them in a paper bag or envelope and put that in a plastic bag with the peels of a ripening banana or cucumber. Replace the peels after a couple of days, and change the bags to prevent mould. - When hempseed is treated with the female hormone oestrogen, percentage of females that are produced will increase by about 10%. Dissolve a birth control pill in water and soak the seeds overnight in the solution. After the initial soaking, continue to treat the seeds by sprouting them on a paper towel soaked in the solution. [/QUOTE]
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