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Showing results 1 to 25 of 54
Search took 0.03 seconds. Search: Posts Made By: dansyr
Forum: Propagation 12-26-2018, 01:06 PM
Replies: 9
Views: 2,928
Posted By dansyr
From the little experience I have, growth...

From the little experience I have, growth regulators/hormones for seedlings can be more hassle than they're worth. Different story for micropropagation, obviously. But germination/replating etc,...
Forum: Beginner Discussion 12-08-2018, 11:08 AM
Replies: 21
Views: 5,302
Posted By dansyr
Not too much else I can add here, but some...

Not too much else I can add here, but some epiphytic spp do germinate more rapidly (I had some Dens germinate in a little less than a month), so that's a semester-scale project (naively assuming your...
Forum: Advanced Discussion 11-19-2018, 06:24 PM
Replies: 7
Views: 2,306
Posted By dansyr
As an dyed-in-the-wool academic believe me I'm...

As an dyed-in-the-wool academic believe me I'm generally skeptical, but I'd be cautious in assuming nefarious motives. While regeneration in a commercially-applicable species has obvious industrial...
Forum: Advanced Discussion 11-19-2018, 11:13 AM
Replies: 7
Views: 2,306
Posted By dansyr
I've read this and a couple other similar...

I've read this and a couple other similar articles, and attempted a couple times according to a few different protocols. I got close once, but I think attempting regeneration starts getting over to...
Forum: Propagation 11-19-2018, 11:04 AM
Replies: 8
Views: 1,951
Posted By dansyr
Seed-wise, besides hoping a community member's...

Seed-wise, besides hoping a community member's orchid ends up with an unplanned pregnancy, there is a seller from Thailand called kumpol_p who has "legitimate" seeds, some of which I have germinated....
Forum: Advanced Discussion 11-01-2018, 05:32 PM
Replies: 27
Views: 6,163
Posted By dansyr
Need for fresh media is determined by your...

Need for fresh media is determined by your growing condition. Just listen to the plantlet does since there are a number of factors that control the outcome. If your vessel has a filtered opening, it...
Forum: Advanced Discussion 10-30-2018, 09:59 PM
Replies: 27
Views: 6,163
Posted By dansyr
Usually months for me. Longer than getting the...

Usually months for me. Longer than getting the initial shoot development. But depends on which hormones and what concentration or lack thereof.
Forum: Propagation 10-06-2018, 06:59 PM
Replies: 8
Views: 3,025
Posted By dansyr
Excellent information, thank you.

Excellent information, thank you.
Forum: Propagation 10-06-2018, 06:37 PM
Replies: 8
Views: 3,025
Posted By dansyr
Thanks! I'll let them stay in vitro over the...

Thanks! I'll let them stay in vitro over the winter then. So is it number of roots you're looking for, or total root mass? Is the endpoint basically just to let the whole agar volume be roots?

And...
Forum: Propagation 10-06-2018, 10:12 AM
Replies: 8
Views: 3,025
Posted By dansyr
Update: What should I be looking for to know when...

Update: What should I be looking for to know when to deflask the Dens? For some background, I have done a bunch of phal mericlones and some bulbos and they're pretty easy to tell, but I'm at a loss...
Forum: Windowsill Growing 08-21-2018, 01:18 PM
Replies: 8
Views: 7,615
Posted By dansyr
If you have a light strip and not a bulb, beside...

If you have a light strip and not a bulb, beside a reflector like Leafmite suggested, slightly angling it away from you might be an option. This is what I do - LED strips mounted to underside of...
Forum: Propagation 08-21-2018, 01:10 PM
Replies: 4
Views: 1,812
Posted By dansyr
Nice pictures! The streptomycete colonies are my...

Nice pictures! The streptomycete colonies are my faves. Those little droplets they exude on top? so cute. Almost makes me forgive them...
Forum: Advanced Discussion 08-14-2018, 03:43 PM
Replies: 27
Views: 6,163
Posted By dansyr
Expect the whole process to take ~1 year before...

Expect the whole process to take ~1 year before you can have plantlets ready to be deflasked so don't be too eager to do stuff :) Plantlets are happier the less you mess with them, so err towards...
Forum: Advanced Discussion 08-09-2018, 05:13 PM
Replies: 27
Views: 6,163
Posted By dansyr
You'll want someone with more experience than me...

You'll want someone with more experience than me here. My experience with thin sectioning leaves is minimal and marked with mediocre success. It's a combination of how appropriate your media is...
Forum: Identification Forum 08-07-2018, 11:15 AM
Replies: 11
Views: 2,084
Posted By dansyr
FWIW, that's not really the full picture. There...

FWIW, that's not really the full picture. There is both anagenesis, evolutionary change along a branch (what I think you're referring to here) AND cladogenesis, the "bifurcating" to create sister...
Forum: Identification Forum 08-06-2018, 11:06 PM
Replies: 11
Views: 2,084
Posted By dansyr
As an evolutionary biologist I'll nitpick your...

As an evolutionary biologist I'll nitpick your nitpick a little bit, in a friendly way, if you don't mind :)

Species is a fairly operative term in most subfields of organismic biology, with all...
Forum: Advanced Discussion 07-30-2018, 03:34 PM
Replies: 27
Views: 6,163
Posted By dansyr
Yep, have done both. At first, I usually passage...

Yep, have done both. At first, I usually passage flower stalk + new growth. Then as I start getting some nice undifferentiated growth at the base and some little leaves starting to pop up, I'll cut...
Forum: Advanced Discussion 07-30-2018, 02:03 PM
Replies: 27
Views: 6,163
Posted By dansyr
For books, I'm not really sure, I put my...

For books, I'm not really sure, I put my protocols together from reading a mixture of online forums and academic journals. One "book" I found with some useful reference info was a Springer Protocols...
Forum: Advanced Discussion 07-29-2018, 08:42 PM
Replies: 27
Views: 6,163
Posted By dansyr
The dark discharges you're seeing are phenolic...

The dark discharges you're seeing are phenolic exudates building up in the medium from stressed plantlets (which is normal, sterilization and cutting is rough treatment). High concentrations inhibit...
Forum: Cattleya Alliance 07-14-2018, 07:15 PM
Replies: 7
Views: 2,597
Posted By dansyr
Thanks so much for the responses! I left it...

Thanks so much for the responses! I left it mounted and sphagnumed but moved it ~1 ft from a gentle breezy north window (phals seem happy there), does that seem about right? Only gets ~2 hours of...
Forum: Cattleya Alliance 07-14-2018, 03:03 PM
Replies: 7
Views: 2,597
Posted By dansyr
Hey ES, any pointers from growing your L aurea...

Hey ES, any pointers from growing your L aurea seedling? I just got a L aurea seedling from Olympic as well, but when it came in it was looking a bit sad - Ellen said it had been left under a bit too...
Forum: Semi-Hydroponic Culture 07-12-2018, 10:27 AM
Replies: 2
Views: 2,586
Posted By dansyr
TDS for semi-hydro Zygo & Onc

So I just moved into a new apartment on the other side of town, which is great. But the tap there is a different source and is really bad - last year's water report was at 472 ppm TDS :shock:...
Forum: Potting & Repotting 06-11-2018, 08:24 PM
Replies: 6
Views: 2,735
Posted By dansyr
I've never tried it in a pot before. Only on...

I've never tried it in a pot before. Only on outdoor-mounted orchids like catts and thick-rooted dendrobiums where if it degrades, it just kinda falls or else the rain washes it out, and you just add...
Forum: Potting & Repotting 06-11-2018, 07:45 PM
Replies: 6
Views: 2,735
Posted By dansyr
Back home (7 degrees north) we use whole coconut...

Back home (7 degrees north) we use whole coconut husks outside or add that stuff if it's super dry and seems to work. Bet it would work for you? I'm in the cold northeast US now though so not using...
Forum: Growing Under Lights 06-06-2018, 10:51 PM
Replies: 2
Views: 4,235
Posted By dansyr
Thanks naoki! As always, you are a wealth of...

Thanks naoki! As always, you are a wealth of information.
Showing results 1 to 25 of 54
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