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Strange leaf spots, have you ever seen them?


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Alessio Ragghianti
Posted

Hi everyone, I would need your help. This morning I saw that several different leaves of Nepenthes have very similar spots. What could it be? Do They need any products?  😕 Thank you! IMG_20250202_002339.thumb.jpg.07db6b7fe763c5da1dd0e8dac68073b1.jpg 

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Siggi_Hartmeyer
Posted

It could be the effect of condensed cold water, dripping from the greenhouse roof when it is cold outside.

Alessio Ragghianti
Posted

@Siggi_HartmeyerGThanks for your reply👍 The strange thing is that it is found only on nepenthes grouped in one corner and not on the others. In addition, since the greenhouse is in the house, it does not create much condensation to drip water. I will pay more attention to it. Thank you

Posted

Looks like mites (Weichhautmilbe in german) to me. At least the 5th picture.

Alessio Ragghianti
Posted

@JanG_ thanks 👍

Jens Neumann
Posted

Hey everyone,

 

Try to use a papertowel and wipe both sides of the leaf. If you find some redish "Dust" it could be a good indicator for mites. 

 

All the best

Jens

 

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  • Danke 1

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