Search found 181 matches

by Darren S
Wed Mar 31, 2021 10:13 pm
Forum: The Cactus & Succulent Plant Forum
Topic: Labels
Replies: 8
Views: 403

Re: Labels

Mike P wrote:
Wed Mar 31, 2021 8:03 pm
They look like the ones I bought from the AGS a couple of years ago. If they are they are the ones very good and take pencil well.
They probably were the same Mike. The SRGC and AGS used to split the packs into bundles of 100 to sell on at shows. For certain the SRGC got them from Anglo-Scottish.
by Darren S
Wed Mar 31, 2021 3:45 pm
Forum: The Cactus & Succulent Plant Forum
Topic: Labels
Replies: 8
Views: 403

Re: Labels

https://www.angloscottish.net/plastic-s ... n-19-c.asp

These are superb. Last for many years and easily writable on with pencil. The SRGC used to sell them at alpine shows.

The downside is the carriage costs!
by Darren S
Sat Mar 20, 2021 2:48 pm
Forum: Small Opuntias (Tephrocactus Study Group)
Topic: Germination
Replies: 32
Views: 995

Re: Germination

That is lovely Tony! My only tunilla is very floriferous but a pillar-box red flower. I must try to get more.
by Darren S
Wed Mar 17, 2021 8:47 pm
Forum: Small Opuntias (Tephrocactus Study Group)
Topic: Germination
Replies: 32
Views: 995

Re: Germination

Thank you Mike. Ray. I was pretty amazed. I have had seed of geometricus before with no luck. This time: 5 different geometricus. Only one has not shown any germination. The others are around 60% up 2 different alexanderii - superb germination of both Fiambalensis and another species are up. Opuntia...
by Darren S
Sun Mar 14, 2021 9:56 pm
Forum: Small Opuntias (Tephrocactus Study Group)
Topic: Germination
Replies: 32
Views: 995

Re: Germination

Thank you Ralph. No pterocactus in this lot -seed seems hard to get. Hi Christian. I tried the Sarnes method with most of the Austros. No pretreatment. Sown end Jan under same temp regime as above. Everything (24 packets) has some germination - around 30-50% except bertinii -and is still ongoing. I ...
by Darren S
Sun Mar 14, 2021 2:01 pm
Forum: Small Opuntias (Tephrocactus Study Group)
Topic: Germination
Replies: 32
Views: 995

Re: Germination

Thank you Tony.
by Darren S
Sat Mar 13, 2021 11:46 pm
Forum: Small Opuntias (Tephrocactus Study Group)
Topic: Germination
Replies: 32
Views: 995

Re: Germination

Hi Nick. Found a scientific paper comparing treatments of opuntia seed. They found that scarifying followed by a 24 hour soak in 3% hydrogen peroxide was the only reliable method. So tried this with them: Scarified with sandpaper, soaked 24 hours 3% hydrogen peroxide ( this is easily available onlin...
by Darren S
Sat Mar 13, 2021 6:17 pm
Forum: Small Opuntias (Tephrocactus Study Group)
Topic: Germination
Replies: 32
Views: 995

Germination

This year. 9 out of 11 packets up, mostly Tephrocactus from Succseed but also the sole Opuntia on this year's BCSS list. 60-70% germination across the board.
tephro.jpg
by Darren S
Thu Mar 11, 2021 10:36 am
Forum: The Cactus & Succulent Plant Forum
Topic: spine formation and nanocrystalline cellulose
Replies: 12
Views: 599

Re: spine formation and nanocrystalline cellulose

The 'alternatives to plastic' bit made me smile. I used to work in a factory that made (biodegradable) cellulose packaging film - 'cellophane' - until the place closed in the early 90s because it could not compete economically with plastic... That said - cellulose film manufacture involves a lot of ...
by Darren S
Sun Feb 21, 2021 2:00 pm
Forum: The Cactus & Succulent Plant Forum
Topic: I've never started watering in February before.
Replies: 17
Views: 841

Re: I've never started watering in February before.

Related to this topic, I have a number of medusoid Euphorbia. I always see lots of buds on them at this time of year but they often abort. And the thinner-armed ones are looking a bit shrivelled. Should I start watering these earlier than most? My greenhouse is kept only just frost free, which reali...