I don't understand... you're asking if Chem #4 is Chem D x SSH?isn`t it sshXchemD<?
looks like it!
I don't understand... you're asking if Chem #4 is Chem D x SSH?isn`t it sshXchemD<?
looks like it!
Chem 4 is from a seed found in some incredible indoor(dogbud) grown in Colorado in the late 80's early 90's. I think 12 seeds were found in a couples oz. Beans were saved for many years and 4 were sprouted(07) and labeled 1,2,3,4 and 4 was the keeper. Read the chemdog 101 thread. CC yours look wonderful by the way!!!!isn`t it sshXchemD<?
looks like it!
Chem D is the biggie then Chem 4. There are some people that hold Chem 3 and seems there's some Chem 2 cross beans..only found out about that within the last few days but appears to be held/released by Chem himself. Then there's Chem(s) Sister but probably more importantly Chem 91...all from those bag seeds.I gotta admit something...
i am terribly confused about all these different "Chem" varities.
Chem D has the TMV, which stands for Tobacco Mosaic Virus. At least that's what the rumor is. I know for sure that it has something, because the leaves are variegated (having white patches mixed in with the green in this case). Over the past few years the variegation has worsened... to the point now where the plants actually suffer from light poisoning much more easily. They've become sensitive. I'm sure some D cuts, kept in other places aren't as bad... but the ones in my grow circles are effected quite clearly. Chem #4 has no such problems.
Meristem Culture:
The apical meristem together with one to three young leaf primordia , measuring 0.1-0.5mm, has been referred as meristem-tip. It is well known that the distribution of viruses in plants is uneven. In infected plants the apical meristems are generally either free or carry a very low concentration of the viruses. Meristem-tip culture although mainly used for virus elimination , it has also enabled plants to be freed from other pathogens, including mycoplasmas, bacteria, and fungi. Although the apical meristems are often free of viruses, there are evidences that suggest some viruses actually invade the meristematic region of the growing tips. Potato Virus S (PVS) and Potato virus X (PVX) are difficult to eliminate by thermotherapy or meristem-tip culture alone. In such cases it has been possible to obtain virus-free plants by combining meristem-tip culture with thermotherapy. Anti viral chemicals have also been used to eliminate viruses alone or in combination with meristem culture or heat treatment. In our laboratory we have combined meristem-tip culture with heat treatment and chemotherapy to achieve a high percentage of plantlet regeneration & eradication of viruses.
I hear you ezra, I always thought it was a little crazy for a tobacco virus to be affecting cannabis. But something IS affecting the Chem D clone... whatever it is. The visrus alone isn't enough for me to stop growing it... I'm just moving on.
Firstly, it seems highly unlikely that Chem D could have TMV as that particular virus apparently infects plants from the family Solanaceae, where clearly Chem D belongs to the family Cannabaceae. This might be pedantic to some, but according to wiki, there are 73 genera of plant viruses...
Anyway, what i wanted to say was that there are techniques available which can be employed to eliminate virus infections. It may well be worth a try...
this is in reference to potato cultivation:
This is what I would personally try if I had an infected Chem D or other prized clone. Its not a problem for me as I dont have any such clones, but if i did thats what i would try because i have access to the equipment and materials, but you could do it without a lab if you were careful and used aseptic technique...