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Thread: Black growing tip

  1. #1
    fly-catchers's Avatar
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    Hi
    I have noticed that my N. coccinea is now producing three new basal growths. However all three have started to go black starting at the top and working their way down [img]http://www.**********.com/iB_html312/non-cgi/emoticons/sad.gif[/img]

    The original stem is growing okay and showing no problems. It is growing on my bathroom windowsill where it has been for over a year quite happily. I use a mix of LFS & clay pellets for compost. Any idea why these new growths are not developing?

    cheers

    bill

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    Hey Bill,

    Often when the tips turn black it's either been burned from the sun, or a problem with humidity fluctuations. I'm gonna guess it's the humidity. Have there been any sudden changes going on lately? Also check for mold, and see if the base of the basal shoot looks okay. There may be some kind of fungus just out of sight that is causing a problem.
    A flytrap ate my homework!
    -Michelle

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    Hello guys!

    For black tips, it is sometimes related to salt build-up on the root system. If you use city water, yours might contain too many dissolved minerals for the plant's liking. Since new tissues are usually more sensitive to more ailments than the mother plant, I suspect this is the case. (Also, too mouch fertilizer on dry roots will do the same kind of damage...)

    What water do you use? Let's see if I make any sense at all!!! [img]http://www.**********.com/iB_html312/non-cgi/emoticons/biggrin.gif[/img]

    Joe
    Fortunately, there's always something new to learn...

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    fly-catchers's Avatar
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    Hi
    Thanks for your replies.
    The humidity in the bathroom remains fairly constant and I have been growing this plant along with another lowland successfully for over a year now. The black development looks quite dry and not like rot I have seen on plants. And the main growing tip is unaffected. Only these three new growths sprouting.
    I use distilled water.
    Today I did discover a few scale insects on closer inspection. Now dealt with, but could that be the reason?

    cheers

    bill

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