Search found 134 matches

by kohinoor
Sun Jun 06, 2021 7:02 am
Forum: The Cactus & Succulent Plant Forum
Topic: 13 yeard old Avonia alstonii dead from Sunburn
Replies: 3
Views: 773

13 yeard old Avonia alstonii dead from Sunburn

A typhoon recently hit Taiwan . While i storm-proof my green house. I notice my Lithops are dead from Sunburn.Quite a rare Case. Then i notice the ligh-level inside green house is brighter then normal. My sunshade has gone missing. That is when i realize what happen.The sudden change in sunshade cau...
by kohinoor
Fri Nov 27, 2020 8:51 am
Forum: The Cactus & Succulent Plant Forum
Topic: Ceropegia rendallii, why so rare in collections?
Replies: 3
Views: 1227

Re: Ceropegia rendallii, why so rare in collections?

I believe it's just regional.They are quite popular here in Asia.
And seen as a beginner friendly Caudex Ceropegia.
Beside C. woodii of course.
by kohinoor
Mon Jul 13, 2020 9:05 am
Forum: The Cactus & Succulent Plant Forum
Topic: Anyone read Japanese ?
Replies: 17
Views: 3402

Re: Anyone read Japanese ?

實生"玉牡丹" This name is used in China Japan and Taiwan. 牡丹=Peony It;s the common name for Ariocarpus. 玉牡丹 means Jade Peony for example Ariocarpus agavoides is 龍舌牡丹 it means Agave Peony . 玉牡丹 is a cultivar or subspeciese of Ariocarpus retusa. But i am not Ariocarpus expert so i am not very sur...
by kohinoor
Fri Jun 26, 2020 1:04 pm
Forum: The Cactus & Succulent Plant Forum
Topic: Fouquieria from cuttings?
Replies: 7
Views: 1461

Re: Fouquieria from cuttings?

i believe the key is temperature and the size of cutting. I cut my Fouquieria macdougalii in spring temp is around 15C. They are 20 cm long.Keep 1 week to let cut dry. I use very deep pot and stick it in soil 5 cm deep. keep soil mildy moist. They root in summer after temp go up to 30C. 5 out of 7 r...
by kohinoor
Sun Jun 07, 2020 1:25 pm
Forum: The Cactus & Succulent Plant Forum
Topic: Opuntia diseases / viruses
Replies: 14
Views: 2838

Re: Opuntia diseases / viruses

That iconic ring strip patter is indisputable.
It some kind of virus .
Maybe it's Sammons' opuntia virus
But identification will require LAb test.Or some test-kit.

ALL plant virus are Incurable so what kind of virus it is is not very important.
by kohinoor
Wed May 13, 2020 12:03 pm
Forum: The Cactus & Succulent Plant Forum
Topic: Adenia globosa seedling
Replies: 3
Views: 1135

Adenia globosa seedling

Rarely seen it's seedling.So i want to share some insight. It's about 3 years old.When i bought it 2 yr ago it still have it's cotyledons i think it's 3 yr old. It was as thin as a pencil but after some time it grow thicker but not taller. And in last year's spring it spurt out a second vine. The lo...
by kohinoor
Thu May 07, 2020 2:16 am
Forum: The Cactus & Succulent Plant Forum
Topic: “Cup of tea” method of seed raising
Replies: 7
Views: 1794

Re: “Cup of tea” method of seed raising

@kohinoor: did you have so called 'control group' (seed not treated with tea) for comparison? yes my control is 0 wet-dry-cycle i put them in tea bag and put aside. i need to point out that although i use tea bag, i did not use tea to soke seed. i only use tap water, tea bag is for easier handling.
by kohinoor
Wed May 06, 2020 4:56 pm
Forum: The Cactus & Succulent Plant Forum
Topic: “Cup of tea” method of seed raising
Replies: 7
Views: 1794

Re: “Cup of tea” method of seed raising

I did some research it seems like some Mammillaria react good to wet-dry-cycle. the original study use petri dish. but i use tea bag. Looks like i am not the only one think of it. so i try this on M. perezdelarosae andersoniana and collect data. dip in tap water for 12 hr and dry for 12 hr (i chose ...
by kohinoor
Thu Mar 05, 2020 4:55 pm
Forum: The Cactus & Succulent Plant Forum
Topic: ammonium sulphate?
Replies: 24
Views: 4751

Re: ammonium sulphate?

ammonium sulfate is waste product from making Nylon. so it is very cheap. It dos't have to be ammonium sulfate any nitrogen base fertilize will do the trick. Here are the difference: ammonium sulfate plant only absorb ammonium .the remaining sulfate will acidify the soil. but it is very cheap. Ammon...
by kohinoor
Sat Feb 29, 2020 1:13 am
Forum: The Cactus & Succulent Plant Forum
Topic: Gender of Umbrella like Euphorbia
Replies: 2
Views: 2833

Re: Gender of Umbrella like Euphorbia

After more then a decade my E.mahabobokensis has his/her female flower. It is strongly seasonal. lost all of leaf in November and start produce male flower in December. Then i forget it for a while. But last day when i surveying my collection i saw it produce female flower. It's the first time i eve...