<~ö All about cacti ö~>

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mith
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Post by mith » Sun Jul 31, 2005 3:58 am

Invitro means "in glass" or in test tubes.
Did you mention something about a cacti gun?
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Dr.Stein
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Post by Dr.Stein » Sun Jul 31, 2005 4:19 am

I DO know the meaning of in vitro. I just thought that the term is not properly used here... So, there will be cacti in vivo... oh ahahahhaa :lol: :lol:

Yes, cacti gun, why? :wink:
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Post by mothorc » Sun Jul 31, 2005 7:42 am

There are two kind of "cacti" so you must distinguish: "true cacti" and "euphorbiaceae", they have the same shape. When grafting, you much graft the same family together.
I have some trouble with my photograph that cacti grow in small bottles (look lovely).

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Post by Dr.Stein » Sun Jul 31, 2005 12:48 pm

mothorc: Yes, not only mistake members of Euphorbiaceae for true cacti (Cactaceae), people also mistake some members of Crassulaceae or Apocynaceae for cacti.

Look at my cacti pictures above, can you distinguish which one is a cactus and which one is not a cactus? Awawawawawaaa... please forgive my 'teacher's instict', that I sound like giving you a homework :lol:
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Poison
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Post by Poison » Sun Jul 31, 2005 4:08 pm

I love cacti too. I have some in my room. :)
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Post by mothorc » Mon Aug 01, 2005 12:34 pm

I known you re a teacher, I know.
Nobody can't distinguish any thing by looking your picture. But with real cacti, we can easily distinguish them by flower classification or latex.
I think you don't want to be told to distinguis invitro, invivo, exvitro and exvivo.
Please don't ask me as teacher 's way.(this forum is not for you and me)
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opuntia
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Post by opuntia » Mon Aug 01, 2005 1:38 pm

Dr.Stein wrote:can you distinguish which one is a cactus and which one is not a cactus?

If i'm not wrong then the first and the last two are not cacti :?
"The roots of education is bitter, but the fruit is sweet" Aristotle

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Dr.Stein
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Post by Dr.Stein » Mon Aug 01, 2005 3:32 pm

mothorc wrote:I known you re a teacher, I know.
Nobody can't distinguish any thing by looking your picture. But with real cacti, we can easily distinguish them by flower classification or latex.
I think you don't want to be told to distinguis invitro, invivo, exvitro and exvivo.
Please don't ask me as teacher 's way.(this forum is not for you and me)
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I am sorry but what happened to you? I just tried to make fun here with the quiz. That's because I found this topic is interesting. I myself cannot distinguish them quickly as a lucky guess. Here, we are having fun and learning in the same time. Wouldn't it be a nice thing? I do think so. We do not need to sit in the classroom, staring at the board. We can learn with laying on our bed, listening to music, eat and drinks maybe.

I am sorry if I offended you, I really did not mean that. I come here to learn together, out of my profession, if I know I will tell, if I do not know I will ask. I am not a living dictionary, I am just a human being with my limited capacity. It means that it is normal if I forget things and I do not know about this and that. That's why I asked.

And, I think we all know, during the study, there is right and wrong. If someone makes a mistake, by accident or because she/he does not know the correct one, and we know the right one, I am sure we will tell her/him the right one. All we need in studying is open-mind.

In this case, the term in vitro cacti is totally new for me. I am honest. That's why I asked about it. If then it is not a proper term, I still have no idea, let's search for the best term for it. That's what I expected. That's all.

Last but not least, I do apologize for all my mistakes. I really did not mean that. Thank you. Shake hands, please?
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Post by mothorc » Tue Aug 02, 2005 4:13 am

Sorry, I think I had some trouble in my lab so I think you was joking, I mean we are friend.
now I m in class, I will edit about "invitro" later for you .

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Dr.Stein
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Post by Dr.Stein » Tue Aug 02, 2005 5:14 am

Sure, we are friends. Thank you and good luck for your study :wink:
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Post by opuntia » Tue Aug 02, 2005 9:51 am

opuntia wrote:If i'm not wrong then the first and the last two are not cacti :?

i answered the quiz...is the answer correct? :wink:
"The roots of education is bitter, but the fruit is sweet" Aristotle

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Post by Dr.Stein » Tue Aug 02, 2005 12:20 pm

Here is the answer:

Upper row, from our left to right:
- Crassula pyramidalis, fam: Crassulaceae
- Stapelia grandiflora, fam: Asclepiadaceae
- Euphorbia canariensis, fam: Euphorbiaceae

Middle row, from our left to right:
- Euphorbia mammilaris, fam: Euphorbiaceae
- Cereus validus, fam: Cactaceae
- Opuntia monacantha, fam: Cactaceae

Lower row, from our left to right:
- Pilosocereus pachycladus, fam: Cactaceae
- Huernia schneideriana, fam: Apocynaceae
- Huernia schneideriana, fam: Apocynaceae

So? :wink:
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