[OGD] survey - rare species / Minnesota

2005-05-07 Thread viateur . boutot
Minnesota County Biological Survey. ... started in 1987, ... an effort to identify and preserve rare plant and animal species around the state. Researchers will focus on Hubbard County this summer. ... The rare ram's head orchid has been found in the northern part of the state, including in

[OGD] sterilizing pots

2005-05-07 Thread viateur . boutot
Bert [Pressman] wrote: Used pots, soaked in chlorine solution over night come out entirely clean. Moss, algae, debris etc. simply disappear... 1) You refer to plastic pots, right ? 2) Do you have references (real studies in the literature) that support your assertion that pots only need to

[OGD] Cypripedum and mycorrhizae

2005-05-07 Thread Peter\(Can\) Croezen
Harvey who asked: I am wondering if anyone knows if this fungus is only needed for germination or whether its presence in the substrate is also necessary for successful culture of adult plants. The short answer is that fungi are there for both. The fungi are usually present in the

[OGD] Re: Virus and a Chuckle, natural hybrids

2005-05-07 Thread Carlos Antonio Akselrud de Gouveia
A good choice to sterilize things is to use a saturated solution (you put the salt untill it starts to deposit in the bottom of the solution) of Na3PO4. It will give you a pH of about 13, what is enough to kill virus and everething. Put your tools in the solution for at least 10 minutes, wash

Re: [OGD] sterilizing pots

2005-05-07 Thread Ray
I have used chlorine bleach for years to clean pots - plastic and clay - and clay media before reuse, and have never seen the _expression_ of any virus infection in anything. (I don't doubt that they're present, just haven't seen "color break" or leaf blotching, etc.). As to the AOS article

[OGD] RE: Cyp. acaule and micorrhyzal fungi

2005-05-07 Thread K Barrett
I am wondering if anyone knows if this fungus is only needed for germination or whether its presence in the substrate is also necessary for successful culture of adult plants. Harvey Brenneise The OrchidSafari archives have 2 articles touching on this subject, and I believe we'll be talking a

[OGD] Re: Orchids Digest, Vol 7, Issue 244 Cyp acaule and mycorrhyzal fungi

2005-05-07 Thread WNeptune
In a message dated 5/7/05 6:03:26 AM, [EMAIL PROTECTED] writes: I am wondering if anyone knows if this fungus is only needed for germination or whether its presence in the substrate is also necessary for successful culture of adult plants. Thanks! Harvey Brenneise Although the fungus

[OGD] Re:OGD V7 #245 Chlorine as Disinfectant

2005-05-07 Thread BCPRESS
Viateur asks if I refer to plastic pots. Wrong! When I write of clay pots, that is a defined material. There are lots of plastics and I can't generalize for all,although in my experience all the various plasticpots that I have actually exposed to chlorine bleach have been chemicallyinert