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Gardening Area => Plant Pests & Infections => Topic started by: Cerere on November 17, 2020, 01:51:21 AM

Title: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: Cerere on November 17, 2020, 01:51:21 AM

Does anyone know what this is? I'm thinking either underwatering or some sort of mold. The leaves didn't wilt prior to this, so I'm leaning more towards the latter. They will crumble to the touch, the areas affected are completely dry. Is there any way to salvage it? I'm so sad...
https://i.imgur.com/I0dCnky.jpg (https://i.imgur.com/I0dCnky.jpg)
https://i.imgur.com/KGO9ql7.jpg (https://i.imgur.com/KGO9ql7.jpg)
I have a fungicide with copper and penconazole, will that help?

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: BitchCraft on November 22, 2020, 09:22:15 PM

I’m not 100% on how to save it, but I would recommend trying not to get the leaves wet when you water. Either bottom water or use one of those long skinny watering cans to pour directly to the soil.  It helps prevent mold and fungus issues on the leaves.

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: Skink on November 27, 2020, 05:24:43 AM

Sounds like powdery mildew.if you wipe it off the leaves with your fingers and smell it it will have a moldy smell.  A fungicide should def take care of it.

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: Greenmystery on February 04, 2021, 08:06:16 PM

Hard to tell from those pics
But that don't look like powdery mildew to me
How much you been watering??
Light intensity??

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: SCoffen on February 06, 2021, 04:47:33 AM

I've had fungus gnat larvae kill plants and they looked similar to this on their way out =/ maybe unrelated but check your soil perhaps.

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: Cerere on March 14, 2021, 01:10:11 AM

I definitely think it was a soil problem. This far only one plant survived, and I must stay it's not looking good. It's just starting to get warmer so I'm hoping that as soon as I'm able to give it more light outside and better ventilation it will be reinvigorated. It looks sick, but it hasn't really gotten worse in a while, so I'm hopeful

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: RatsboggleBiological on April 07, 2021, 02:00:31 PM

Still have this plant going? What a rarity, I'm curious to see if keeping it was successful.

Title: Re: What is this weird powdery stuff on my leaf (strychnos nux-vomica)?
Post by: Cerere on June 26, 2021, 02:21:51 PM

Unfortunately I do not. All my plantlets died for some reason. The seeds weren't too hard to germinate, but they seemed to not really take. There was one big root with little if no secondary roots and only two big "leaves" (dicotyledons), they never grew past that. I speculate it was a combination of poor soil choice and bad growing conditions. I don't have the best setup, my balcony isn't very sunny and it's cold for most of the year, so the plants that can't tolerate the cold temperatures are inside with poor lighting and ventilation. I will be trying again in the future though, once I have more space and I can setup some lights and ventilation