POGreen
Well-Known Member
No I'm not , I just got it wrong there.
I did not read that yaconpart of the story , my mistake.
I did not read that yaconpart of the story , my mistake.
All leaves (tobacco or maple) that turn yellow already contain the yellow pigments (carotenoids), even while they are still green. When the chlorophyll is broken down by metabolic senescence, it reveals the yellow. If there are no carotenoids, then there is never a yellow stage.Rustica is a funny one to cure the way it doesn't yellow first.
Interestingly, living N. rustica leaves often appear to be a gray-green or blue-green, when compared to the yellow-green of most N. tabacum varieties. So my guess is that N. rustica (at least the varieties I've seen) contains little if any carotenoid pigment. Something that I have not really thought about is whether N. tabacum varieties that produce very dark green leaves tend to cure directly to brown, or if they have a yellow stage during curing.
My Chichicaste 712 and Brasil Dunkel both have very dark green leaves. I'll pay attention to whether or not they have a yellow stage.
Bob
You can have that 1 k old tobaccoseed from me ( 8 1/2 pucks wide x long ) .
Hope I can have some SR from you in return , I'll throw in a nice surprise if you're game ( ancient tobaccospice , used in the 18 -1900's ) new mowed grass type of scent + vanilla
I just went out to the shed to have a look. Both the Brasil Dunkel and the Chichicaste 712 seem to go from green to a brief stage of sickly gray-green, then on to brown. No yellow to be seen.Bob I noticed your comment on the Chichicaste 712, for me when I grew it last year there was no yellow stage. Just went to a nice chocolate brown
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