Somat has arrived
mamapinky0
8 years ago
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livebetter
8 years agomamapinky0
8 years agoRelated Discussions
Somatic Hybrids Via Grafting ??
Comments (14)MemberTom, Colchicine is found in the tissues of Colchicums and Gloriosa lilies. Hamilton Traub demonstrated that colchicine can be translocated (carried in the sap), so if we could graft a plant that does not produce colchicine to one that does, we could expect the colchicine to harm the grafted or kill the grafted plant by preventing dividing cells from distributing chromosomes equally. In other cases, as you seem to imply, substances produced in one plant and transmitted across the graft union might act as a selective filter. Some pollen grains, presumably differing in their genetic makeup, might survive in the presence of some novel substance while others are inhibited or killed. Or, the stock might produce excessive quantities of a substance found in smaller concentrations in the scion. There could be variations in how the pollen, ova and even other cells might respond. Members of the Solanaceae are easily grafted, and can serve to illustrate how different substances and different concentrations of substances can affect grafted plants. A potato scion on a tomato stock, for example, can produce small tubers in the axils of its leaves -- which potatoes usually do not do. Starch is not a foreign substance to tomatoes, but the tomato stock has no ability to store starch in tubers because it does not (and apparently cannot be persuaded to) produce tubers. The reverse graft, tomato on potato, allows the potato stock to produce its tubers underground, but they are inferior to those produced by ungrafted potatoes. The flavor is off. Something produced by the tomato scion is conveyed to the roots and accumulates in the tubers. Meanwhile, the tomato scion produces fruit, but these are also of bad flavor. Something from the potato scion is transmitted across the graft union and into the fruit. At this point, the potato-tomato grafting experiments usually end. It may seem like a good idea to have potatoes and tomatoes growing on the same plot of land, but not if only inferior tubers and inferior fruit are produced. But why should a bad tasting substance produced in potato plants be noticed in the fruit of grafted tomatoes but not in the potatos own tubers? And why should a bad tasting substance in the tomato plant be found in the tubers of grafted potatoes but not in the tomato plantÂs fruit? Both potatoes and tomatoes have been cultivated and selected for centuries. We may suppose that potatoes have been Âtrained to keep their ill-flavorings out of the tubers, just as tomatoes have been selected for absence of bad flavors in the fruit. Accepting this supposition, we may suppose further that potatoes might also be selected for the ability to keep tomato scion flavorings out of the tubers. And that tomato plants might be selected for the ability to produce properly flavored fruit while grafted to potato stocks. While it is probable that one could select potato and tomato strains for the ability to produce flavorful fruit and tubers when grafted, it might not be worth the effort except as a curiosity or scientific demonstration. Both the potato and the tomato strains would have to be independently desirable and productive in commercial production. And because potatoes are often planted a month or so earlier than tomatoes, we would face another problem -- how to make tomato plants more frost resistant. Karl...See MoreMiele Futura Diamond has arrived!
Comments (30)CONGRATS!! I love it. I have had my Miele La Perla II about 6 months I think. While it is totally amazing, I have to have the new Futura Diamond. I called my Miele appliance store (I've used them for about 15 years)...hopefully they can get me a Futura Diamond in a week or so!! LOVE those LEDs. So funny your Miele installer told you to use 1/2 a tab. Miele told me to use a whole tab, as they were designed to be used whole, regardless of the load size. I actually like the Finish Quantum Powerball tabs MUCH, MUCH more than the Miele tabs. A fraction of the cost, so easy to find and my dishes and the interior of my La Perla has never looked better. I do use salt (either Somat or Miele Care Collection) and I also use Rinse Aid (Miele or Somat). Since the Finish Quantum tabs also have Rinse Aid, I set my rinse aid to setting 1, instead of 3....See MoreSomat Dishwasher Cleaner
Comments (8)@catmom- where do you buy the Miele tabs? I was using those but source dried up. Found the Method tabs equal to the Miele and I can get them easily locally. @applenut - Will look for the Jet Dry DW cleaner. Haven't spotted it (or haven't looked for it). Also do the front-loader cycle to purge excess soap. Our water is crazy hard and so we have a softener. No matter how little detergent I use in the front loader there is inevitably residual soap flushed out by the maintenance cycle. Well worth it. I don't use chlorine bleach anymore as we're on a septic. I do same disinfecting thing you do but with 90% alcohol which I can buy in bulk inexpensively. I also do the alcohol wipe down catmom does in the kitchen and on the doors etc. Fingers crossed, it has kept us healthy. Family is coming so I'll do it before and after they leave. Grands are wonderful but very germy, especially the 3 y.o....See MoreBamboo cultivar preservation -somatic embryogenesis?
Comments (1)That's not my field of expertise, but you might find out something by contacting Boo-Shoot Gardens, which has been successfully propagating bamboo for about 10 years using tissue culture: Boo-Shoot Gardens...See Moremamapinky0
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