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[瓶子草] 云里雾里//Purple Delirium 「陆续更新6/30/17」

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发表于 2017-6-23 12:57:44 | 显示全部楼层 |阅读模式
本帖最后由 lskjerry 于 2017-6-29 21:37 编辑


//001.  Thru the mist ... you shall reveal ...                    



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发表于 2017-6-24 02:01:09 | 显示全部楼层
why not use a full spectrum
 楼主| 发表于 2017-6-24 03:05:04 | 显示全部楼层
本帖最后由 lskjerry 于 2017-6-23 12:08 编辑
dacjix 发表于 2017-6-23 11:01
why not use a full spectrum

I just wanted to be more efficient in utilizing the energy since plants don't need green light. Both chlorophyll a and b light absorptions peak at Blue - 425 to 475nm and Red - 625 to 675nm.


cite: http://www.webexhibits.org/causesofcolor/7A.html


Using the Red Blue growth lamp covers the two absorption peak region and maximize photosynthetic efficiency.

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发表于 2017-6-25 12:32:53 | 显示全部楼层
本帖最后由 dacjix 于 2017-6-25 12:48 编辑
lskjerry 发表于 2017-6-24 03:05
I just wanted to be more efficient in utilizing the energy since plants don't need green light. Bot ...

So the story goes...but I find plants (Dionaea muscipula and genus Drosera) under blue-red lights tend to produce less chlorophyll so other photosynthetic pigments start to dominate the colour of the plant (yellow, red, black...). Full spectrum gives a more natual(and pleasant) proportion of pigments, so for ornamental purposes its a better choice(for Dionaea and Drosera at least...blue-red lights may be enough for Nepenthes).
 楼主| 发表于 2017-6-26 08:03:45 | 显示全部楼层
dacjix 发表于 2017-6-24 21:32
So the story goes...but I find plants (Dionaea muscipula and genus Drosera) under blue-red lights t ...

Yeah.. I agree... So the pigments that give red/blue/purple colors are called anthocyanins (pigments that my lab is actively researching)... many carnivorous plants produce anthocyanins under UV stress (wavelength<=blue light) as well as night temperature drop...  I grow a lot of Darlingtonia and Heliamphora spp. and observed this effect

I like my plants getting super red because it highlights the carnivorous structure but people all have different choice  hahahah   

There are a lot of "all green" varieties that completely lack the ability to produce red pigments and are always green no matter how much UV stress is applied...
 楼主| 发表于 2017-6-26 08:06:13 | 显示全部楼层

jiangwen

本帖最后由 lskjerry 于 2017-6-25 17:10 编辑



//002.  Crawling thru the mosses

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发表于 2017-6-27 01:18:02 | 显示全部楼层
长得真好!不过红色的灯光比较刺眼,拍照最好用别的灯照着比较好。
 楼主| 发表于 2017-6-27 08:57:20 | 显示全部楼层
zmylwm 发表于 2017-6-26 10:18
长得真好!不过红色的灯光比较刺眼,拍照最好用别的灯照着比较好。

下次只开白色的
 楼主| 发表于 2017-6-27 09:00:53 | 显示全部楼层

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 楼主| 发表于 2017-6-30 12:36:39 | 显示全部楼层

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