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-   -   Nepenthes Rajah (https://forum.petpitcher.net/showthread.php?t=3597)

marvin1997 31st December 2009 01:28 PM

Re: Nepenthes Rajah
 
Always cold at night?Wow that's cool

Vincent 2nd January 2010 08:32 AM

Re: Nepenthes Rajah
 
till late spring

marvin1997 3rd January 2010 12:38 PM

Re: Nepenthes Rajah
 
Then what are you going to do?

Vincent 3rd January 2010 03:04 PM

Re: Nepenthes Rajah
 
i am putting my atomizer on a timer, and on an oscillator, which is what a fan sits on to go back and forth. Once i have that, i will be able to leave them alone 3-4 days at a time. ice cubes are a must in the atomizer as well

cjloong 11th March 2010 07:25 PM

Re: Nepenthes Rajah
 
Feeling sad today, I think my Rajah is finally going to give way. Its funny, I got it Nov, the new leaves are 2 times of the original. It was doing so well and then, suddenly yesterday, saw the growth tip was black. Second leave down is wobbly (but still green).

Just wanna check with you guys, when your Rajah (or for that matter HL/ultras) dies, how did it die and what was the condition? Stem rot? Root rot?

plantlover 11th March 2010 07:38 PM

Re: Nepenthes Rajah
 
My dad killed it(he killed all my droseras too!) by taking away precious sunlight.(if i argue with him, he'll win anyway).

Robert 11th March 2010 07:50 PM

Re: Nepenthes Rajah
 
Quote:

Originally Posted by plantlover (Post 26744)
My dad killed it(he killed all my droseras too!) by taking away precious sunlight.(if i argue with him, he'll win anyway).

does ur dad read the forum...keep complaining,he smack your bottom:laugh:

plantlover 11th March 2010 09:02 PM

Re: Nepenthes Rajah
 
luckily he does not read the forum, or else i'm dead!

cjloong 11th March 2010 09:06 PM

Re: Nepenthes Rajah
 
We won't tell your dad about it then. :))

btw. What were the symtoms before it died. Is it like mine. Black growth tip. Don't know if I can still save mine or not.

plantlover 11th March 2010 11:35 PM

Re: Nepenthes Rajah
 
It just blacken from the tip and leaves and died.

SirKristoff 12th March 2010 04:42 AM

Re: Nepenthes Rajah
 
Here is my rajah, ive had 3 others, 1 died, 2 sold...the one that died, was about a 14 inches in diameter....ive got photos of it laying around somewhere but it just didnt like coming from BE to my place, torn up from the ground no doubt at the nursery, it had virtually no rootsystem. as you can see this one isnt even finished uncurling its newest leaf and it already has another on the way, i gave it a coffee treatment...
sorry about the purple hue, its my lighting....the plants will be back into my greenhouse in a month or so....
http://i820.photobucket.com/albums/z...off2/rajah.jpg

David 12th March 2010 10:48 AM

Re: Nepenthes Rajah
 
Can I know what is coffee treatment? Hope your last rajah acclimatise for u.

NepNut 12th March 2010 01:05 PM

Re: Nepenthes Rajah
 
looks like not only humans are addicted to coffee... *biggrin2*

Seriously, ppl are have good results with coffee "treatment" as reported in other forums. Very interesting... :smile:

marvin1997 14th March 2010 03:36 PM

Re: Nepenthes Rajah
 
Yea...because of the caffeine in coffee..Maybe I should try *biggrin2*

cjloong 16th March 2010 09:45 PM

Re: Nepenthes Rajah
 
Actually, just was trying to research this. What does the cold temperature do for highlanders? So far, I guess most people have tip rot which I heard is root related, so I assume it should be root related. The coldness does something to the root?

Regards
cj

NepNut 17th March 2010 03:45 PM

Re: Nepenthes Rajah
 
I can't remember the details but plants adapted to cool climate need the drop in temperature to enable them to synthesis certain chemicals/enzymes in order for them to thrive. Can't remember the name of that proses/cycle. :blush:

edwardyeeks 17th March 2010 10:01 PM

Re: Nepenthes Rajah
 
In other words, coldness makes more water vapour. Thus, transpiration in the plant does not occur that much since the humidity is high and temperature is low. Thus, highlander neps have adapted to the cold and humid surroundings by reducing the rate of transpiration.

For those who do not really know what transpiration is for, it is to help the plant in reducing excess water and assist in the pull of absorbed minerals and water at the roots to the whole plant. It generally cools down the plant during a hot weather.

A highlander would literally dry to death if exposed to sudden lowland conditions. This is because they have adapted to the cooling surroundings that keep them cool. Highlanders would transpire too much water so that they can cool themselves to match the lowland conditions. Plus, low humidity encourages more transpiration.

Btw, it's nice to be back :) hi all

marvin1997 17th March 2010 10:24 PM

Re: Nepenthes Rajah
 
Edward go introduce yourself again! :laugh:

NepNut 22nd March 2010 10:22 PM

Re: Nepenthes Rajah
 
Quote:

Originally Posted by edwardyeeks (Post 26904)
In other words, coldness makes more water vapour. Thus, transpiration in the plant does not occur that much since the humidity is high and temperature is low. Thus, highlander neps have adapted to the cold and humid surroundings by reducing the rate of transpiration.

For those who do not really know what transpiration is for, it is to help the plant in reducing excess water and assist in the pull of absorbed minerals and water at the roots to the whole plant. It generally cools down the plant during a hot weather.

A highlander would literally dry to death if exposed to sudden lowland conditions. This is because they have adapted to the cooling surroundings that keep them cool. Highlanders would transpire too much water so that they can cool themselves to match the lowland conditions. Plus, low humidity encourages more transpiration.

Btw, it's nice to be back :) hi all

Respectfully, I don't agree with your points Edward. :smile:

I have some HL species and hybrids, they don't look dry all the time but they still refuse to grow in LL condition. If they can grow, they will just grow new leaves but won't pitcher.

I agree most nep need high humidity to thrive but only HL neps need a drop in temperature or the temperature difference of 10C tp 15C to thrive. There's other reason why intermediates and HL need the cycle for daily temperature drop and IMHO transpiration is only a small part of the reason. I will do some digging as I read somewhere before that certain compounds that's crucial for the development of the plants can only be synthesis in low temperature.


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