[OGD] Cyps, mycorrhizas and substrates

Wilford who said: Although the fungus appears to be essential for germination of seeds in nature, once there are roots, they are infected and the fungus is no longer needed in the substrate for growth and flowering. Your statement is essentially correct, but can bea bit misleading in

[OGD] sterilizing clay pots

some references : 1) Riopelle, James H. Safety in the Greenhouse, AOS Bulletin, April 1972, p. 332. 2) Davidson, O. Wesley AOS Bulletin, July 1973, p. 615. *** Regards, Viateur ___ the OrchidGuide Digest (OGD) orchids@orchidguide.com

[OGD] Cypripedium parviflorum complex

Phillip Cribb in "The Genus Cypripedium" (Timber Press,1997)offers the following geographic designations for the following: Cypripedium parviflorum var parviflorum (page 175): DISTRIBUTION. Canada (British Colombia across Ontario, Quebec and Newfoundland), U.S.A. (New England and southern

[OGD] chlorine as disinfectant

Hi Group, When it comes to getting rid of the nastiest of plant pathogens on pots, it is difficult to beat Chlorox or chlorine solutions. Birmingham University, Department of Microbiology used to specialise in researching plant virus infections. They had some very pathogenic isolates. Infact much

[OGD] Sterilization

I would like to clarifie my suggestion of using Na3PO4. It is usefull to sterilize TOOLs, if you read in my statment, not clay pots. It is easy to handle, stable and less corrosive than others option. Phosphates are salts, with diffeent chemicals properties, you have mono, di and triphosphate,

[OGD] Natural hybridization

Message: 3 Date: Thu, 5 May 2005 16:07:11 -0400 From: Duane Judy Erdmann [EMAIL PROTECTED] Subject: [OGD] natural hybridization To: orchids@orchidguide.com Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=iso-8859-1 I am wondering why we don't see more natural hybridization

[OGD] Naming Hybrids

Message: 5 Date: Fri, 06 May 2005 11:15:49 -0400 From: [EMAIL PROTECTED] Subject: [OGD] the remake of a natural hybrid To: orchids@orchidguide.com Message-ID: [EMAIL PROTECTED] Content-Type: text/plain; charset=us-ascii; format=flowed query : in the following quotes which names, according to the

[OGD] Re: Natural Remade Hybrids

In a message dated 5/7/05 6:03:20 AM, Viateur writes: 1) "The natural hybrid between Cypripedium calceolus and Cyp. macranthos is called Cypripedium xventricosum and the horticultural remake has the same Name but in different spelling: Cypripedium Ventricosum." Not quite. The natural hybrid

[OGD] Re: Orchids Digest, Vol 7, Issue 247 Cyp acaule and fungus

In a message dated 5/8/05 8:14:38 PM, [EMAIL PROTECTED] writes: Scott Durkee, of the VT Ladyslipper Farm, has also demonstrated that one can germinate this species and even grow it to flowering in flask without the fungus. This is no proof at all that the plants can survive without a

[OGD] Hello

New subscriber and Orchid owner here. I have a Phalaenopsis Brother Golden hybrid and an Angraecum leonis. I'm under the impression that these plants have similar light requirements. Is this correct, or should the Phael. be getting less light? Thanks for any info. Rick --

[OGD] Natural Hybrids

I am wondering why we don't see more natural hybridization between orchid species. I'd appreciate an explanation and/or some guidance on which reference(s) might shed some light on this. Thanks Hi Many of the native orchids of Australia and particularly Western Australia, hybridise very