tissue culture pics


dudo klasovity
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Hi everyone!

I took pictures of some drosera jars today:

drosera anglica 'Hawaii'

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drosera glanduligera

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drosera falconeri (crowded jar)

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drosera hilaris (turned out to be very weedy species when correct medium is used)

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drosera afra

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drosera rotundifolia

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drosera spatulata var. lovellae (the big plants germinated a bit early, the rest gave 100% germination later)

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drosera intermedia 'Gran Sabana'

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drosera trinervia

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darlingtonia californica on propagation medium

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drosera burmannii 'Humpty-Doo'

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drosera burmannii

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drosera macrantha "Rock outcrop form" x drosera macrantha aff. ssp. cremaea

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....some massive germinations:

drosera ascendens 'Itarare'

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drosera tomentosa var. glabrata

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...and some latest germinations:

drosera regia

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drosera felix 'Turuku'

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drosera macrophylla ssp. macrophylla x drosera macrophylla ssp. monantha

drosera graminifolia

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drosera spatulata var. bakoensis

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drosera planchonii

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...the next season will be fun! :-)

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Thanx!

@Cain: Yes , it is drosera intermedia together with darlingtonia

@Sativ: I know! I was just thinking the same thing going through the jars with tuberous species how Martian they look in TC :-D There are some exceptions,,of course:-)

@Pato: The gel is clear because I use Gelrite and not Agar. It is easier for me to spot the contamination early enough (when I dont use PPM). In some pics it is hazy but that is because of opaqu PP containers.

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@Loligo: With Gelrite I only had one case of vitrification with drosera sessifolia. I did find one drawback of this gelling agent though...when the plants consume some of the elements (metals, specifically), it liquidifies quite fast). I think it is due to the loss of cations crosslinking the gelrite compound and the inevitable release of protons. In acidic environment ( below 5.2) the Gelrite is not gelling very well (even if the sufficient ions are present). But for me the transparency of the gel is the overcoming advantage so I keep on using it. I just got hands on some high quality Agarose so I will do some experiments to compare the properties.

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Hi Dusan,

the D. macrantha hybrid sounds interesting to me. So far, I have not been able to come up with viable tuberous drosera hybrids other than those of D. menziesii subspecies. Often, I get the hybrids to germinate, but they usually die shortly after that.

Best regards

Dieter

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