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Dracaena

Dracaena, yellow spots on the leaves, dry tips and brown spots at the base

Hello!
I’ve had a dracaena for almost 2 years. After buying it, it was moved to a larger pot where I put gravel and sand on the bottom of the pot for drainage. The pot also has holes at the bottom to drain water into the tray.
The plant is placed on the west side, about 3.50-4.00m from the window and the sun only shines directly on it at sunset. Since purchase it has developed nicely and grown a lot. Watering is done approx. every week and the soil is not kept very wet.
In August it had a lot of yellow spots on the leaves and some started to “dry” at the top. (See picture marked with “1”) I had noticed small yellow/discoloured spots on the leaves before, which I ignored. I went to a specialist shop and got these liquid products: TEBUSTAR EW and MAVRIK 2F + NISSORUN. I removed the “dry” leaves (for some I just cut off the tips, others I broke off completely) and applied the treatment twice, at 7 day intervals.
After the treatment, no more “dry” leaves appeared, but at one point (beginning of September), it seemed to me that more yellow spots appeared on the leaves. I went to the shop again and got the same TEBUSTAR EW and MAVRIK 2F, but now also MOSPILAN. I applied the treatment twice again, but I also sprayed the leaves in the 7 days between treatments (I don’t know if I did well or not).
Now, after 4 days of not seeing the plant, I noticed another “dry” leaf and some others a little on the tips that I removed immediately. The yellow spots on the leaves and the brown spots at the base of the leaves are still there (see the picture marked 2 taken yesterday).
Is the treatment I’m doing now good? Or should I change it again?

Attachments:

1. 

   dracaena-yellow-spots-on-the-leaves-dry-tips-and-brown-spots-at-the-base-6-192632.jpeg
   

2. 

   dracaena-yellow-spots-on-the-leaves-dry-tips-and-brown-spots-at-the-base-6-192632-1.jpeg
   

3. 

   dracaena-yellow-spots-on-the-leaves-dry-tips-and-brown-spots-at-the-base-6-192632-2.jpeg
   

4. 

   dracaena-yellow-spots-on-the-leaves-dry-tips-and-brown-spots-at-the-base-6-192632-3.jpeg
   

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#192632

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Hello, the symptoms on the plant can be caused by a combination of abiotic factors ( unsuitable location, direct sunlight, low humidity, substrate, etc.) and biotic factors (a bacterial disease). It is recommended to change the location, to remove the badly affected leaves with a sharp and disinfected tool such as Floristic Pruner and to apply a bactericidal product such as Champ 77 WG, 20 g, applied in a dosage of 20g/10 L water (it is important to prepare a volume of solution corresponding to one treatment, respecting the mentioned dosage, because the already prepared mixture does not have a shelf life longer than 24 hours). After 10 days after the treatment mentioned above you can consider using a maintenance product such as Organic Spray for Indoor Plants Zimmerpflanzen, 500ml, applied by spraying. Further, it is recommended to monitor the development of the plant for a while, and if other symptoms appear or the mentioned ones worsen, we are waiting for your message accompanied by photos. For more information about the care of the plant you can also consult our article: Dracaena, plant care and growing guide.

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Dracaena, plant care and growing guide

Dracaena, information about environmental conditions, care work, propagation, fertilization products, and repotting, from Armuro.

#192638

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Thank you for your answer!
Should I remove the yellow leaves too? The dry ones I’ve already cut off, but there are still quite a few that are spotted at the base, but otherwise fine.
Is it still worth continuing the treatment with the substances mentioned above? Or do I switch to Champ and spray?
Thank you very much!

#192642

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You can also remove some of the yellow leaves for a more aesthetic appearance of the plant. It would be advisable to discontinue treatment with the other substances and follow our recommendations.

#192644

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