fyzygy Posted September 21, 2021 Share Posted September 21, 2021 Sometimes a Trichocereus will drop ribs, add ribs, or -- as pictured -- drop and then resume growing a rib. Is this simply a genetic trait, or do environmental factors play a role? I'm not sure what the pictured variety is -- a "Super Pedro" type, for sure -- but it often melts like this for me, once it reaches a certain size. That said, I've seen clones of this variety which, in sunnier positions, did not exhibit this tendency. The only other plant I have that exhibits a similar growth habit is T. peruvianus var. "sausage" -- a close relative perhaps? Quote Link to comment Share on other sites More sharing options...
fyzygy Posted September 22, 2021 Author Share Posted September 22, 2021 On this specimen, aureoles are about one inch apart -- but two inches between aureoles wherever these indentations occur. So it's a case of dropping an aureole, as well as interrupting rib growth. Quote Link to comment Share on other sites More sharing options...
SayN Posted September 22, 2021 Share Posted September 22, 2021 environmental factors play a huge role in my opinion. I think you'll find the genetics will probably define the types of variations you can expect, but water, sun, root space and growing medium will be the catalysts Quote Link to comment Share on other sites More sharing options...
fyzygy Posted September 22, 2021 Author Share Posted September 22, 2021 Deep grooves instead of aureoles. Quote Link to comment Share on other sites More sharing options...
fyzygy Posted October 13, 2021 Author Share Posted October 13, 2021 Melting in the shade ... Quote Link to comment Share on other sites More sharing options...
sagiXsagi Posted December 18, 2021 Share Posted December 18, 2021 On 23/09/2021 at 12:13 AM, SayN said: environmental factors play a huge role in my opinion. I think you'll find the genetics will probably define the types of variations you can expect, but water, sun, root space and growing medium will be the catalysts agreed .. enviromental factors can be even the basic one, what size of pot the plant is in - the bigger, the most it will show a wider range of more mature characteristics, and it will do it faster Rib play (adding reducing) usually seems to halt the growth rate for at least a little, one of the most extreme cases is altmans clone , where, the plant alternates from normal growth and rib play/ monstrosa growth, which decreases the plants speed a lot.. Lots of semi-monstrosa as faster though.. And casual rib play can occur in clones that are not monstrosa at all... IME 4 ribbers always do rib play. Quote Link to comment Share on other sites More sharing options...
fyzygy Posted January 10, 2022 Author Share Posted January 10, 2022 Roseii 2 starting to melt. Quote Link to comment Share on other sites More sharing options...
fyzygy Posted January 27, 2022 Author Share Posted January 27, 2022 Potassium shock can induce melt? I'm skeptical only because the claim appeared in an eBay listing that's mostly hype. Quote Link to comment Share on other sites More sharing options...
withdrawl clinic Posted January 28, 2022 Share Posted January 28, 2022 looks like 3 different things to me. the one with the title, melting in the shade, reminds me of how it looks, when the pedro changes from 5 ribs to six, or so. but than it seems decided not to vary the number of ribs. the roseii melt, looks what i get at times from, placing a cutting in a shadier position. good onya, for spelling roseii correctly, most people even professionals and the gardening shows always spell it wrong, in latin it's always double ii, not single... Quote Link to comment Share on other sites More sharing options...
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