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Thread: color & temperature

  1. #1

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    color & temperature

    Have anyone observed the effect of temperature on pitcher color? This year , winter in Bangkok is a little bit colder (15 degree celcius compare with average 18 deg.) and last longer. My lady customer , who I gave her young N. xKuchingensis (mirabilis 'Chumphon' x ampullaria 'Songkhla') as gift last year , send me some photos.
    This is the young I gave her

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    3 months later

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    winter pitcher (red) compare with normal (pale , right) .

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    This winter

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    This phenomenon also happened to my customer in France

    It would be so kind if anyone could explain how temperature can alter pigmentation. Thanks.

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    nepenthes_ak's Avatar
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    I know that cooler temperatures change colros on my Rose bush during winter, they will get all red, the pigment is kind of a way to protect it i would assume? I used to know what the reason was but now I have forgotten why this phenomena happens.

    Hope some one responds soon!

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    wicked good plants! Presto's Avatar
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    I think that is has something to do with chlorophyll not being as efficient at absorbing light at lower temperatures. Not too sure though.
    -Emily

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    Thanks both of you , I notice N. xCoccinea growing in Northernmost of Thailand (colder)are also more colorful. There might have some scientific explanations. //Nong

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