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Fungus problem

#1 User is offline   AhSeng 

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Posted 29 December 2015 - 09:31 PM

How to tackle this fungus problem ? Several other mounted plants had this problem. Looks gross.

http://i67.tinypic.com/2vtpphs.jpg
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#2 User is offline   keff 

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Posted 30 December 2015 - 10:19 AM

I would just let it dry out
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#3 User is offline   digitalgate 

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Posted 30 December 2015 - 12:30 PM

Could be mold. Increase air flow and sun in direct aun for 7 mins.
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#4 User is offline   Busy Bee 

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Posted 11 April 2016 - 05:10 PM

Hi,
I think my baby is infested with fungus :(/>/>/>/>/>

I googled and looks like they are caused by anthracnose (can someone confirm...). I removed the charred leaves, sprayed with thiram and basked it in morning sun. Am I doing the right thing? Do I need to remove those leaves with yellow spots?

http://s1084.photobu...fehuw1.jpg.html

http://s1084.photobu...u6rl9s.jpg.html

http://s1084.photobu...gnvw2o.jpg.html

My dens oso kena.... very heartbroken :(/>/> :(/>/> :(/>/>

http://s1084.photobu...bdt4ho.jpg.html

This post has been edited by Busy Bee: 11 April 2016 - 05:17 PM

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#5 User is offline   AhSeng 

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Posted 11 April 2016 - 09:30 PM

View PostBusy Bee, on 11 April 2016 - 05:10 PM, said:

Hi,
I think my baby is infested with fungus :(/>/>/>/>/>/>

I googled and looks like they are caused by anthracnose (can someone confirm...). I removed the charred leaves, sprayed with thiram and basked it in morning sun. Am I doing the right thing? Do I need to remove those leaves with yellow spots?

http://s1084.photobu...fehuw1.jpg.html

http://s1084.photobu...u6rl9s.jpg.html

http://s1084.photobu...gnvw2o.jpg.html

My dens oso kena.... very heartbroken :(/>/>/> :(/>/>/> :(/>/>/>

http://s1084.photobu...bdt4ho.jpg.html


Those small spots may be sunburnt, because you spray the leaves after a while the sun comes out, dots will form. Another picture, tip browning, could be due fertilizer burn or salt burn. Not sure about dendrobium. that may be fungus, you can space out your plants to enable better air circulation. The oncidiums, you can water earlier. Water first before fertilizing can avoid fertilizer burn.
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#6 User is offline   Busy Bee 

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Posted 12 April 2016 - 10:33 AM

Thanks for the advices, Ah Seng.

1st 3 pix belong to same plant i.e. it has brown tips, burnt leaves and yellow spots all at the same time. It cannot be sunburn because it is placed under filtered sun and has sitting there for more than a year and this is 1st time it shows these symptoms.
My dens are placed in open air although I have a net over them but I think they are more susceptible to sunburn. Good point on spacing them out for air circulation.
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