sorrel23
- 69
- 18
what humidity is ideal?50% relative humidity will stress the plants... And powdery mildew is not a systemic disease.
it's definitely the sulfur,that looks like bug damage not sulfer damage.just my op though
Yeah I just did a sulfur burn in all my spaces because their was a bit of PM and I wanted to nip it before it got bad. There's no PM problem now! I just wish I didn't cause another problem..Okay so was it powdery mildew? That's a bitch because it's systemic so you have to kill the plant to kill the disease. If you think you have a handle on it then certainly try to save it but you risk continuing the problem in perpetuity. Ideally you need to wash your space with a dilute bleach solution especially the places where a fungus could grow, try to eliminate them entirely. I would start over but I can understand if that doesn't work for you in that case do the above, cut out the damage and only the damage if you havr half leaves that's okay it still has chlorophyll which fuels growth, just the shit parts. I don't know if washing them is smart considering the mildew. Ultimately you have to deal with humidity and moisture or you may be plagued by this. You don't leave standing water post feeding or some other source of humidity like a reservoir? Do you have a way to measure humidity? The PM is usually symptomatic of another deeper issue.
Sweet thank you!73 - 75 degrees Fahrenheit would be 65 to 70% relative humidity.
http://wwwhowtohydroponics.just4gro...-deficit-the-hidden-force-on-your-plants.aspx
I did it with the lights out, I only exhausted the room for about 10 minutes before I turned the lights back on, and the plants that were directly under the lights are the ones that seem the most damaged. And I didn't spray anything on them before. :)Yes you should do your burn at lights out and vent an hour or so before the lights come back on.were the plants closest to the burner worse than plants farther away?
Thank you for your help, I appreciate your input. Good to know that you have never seen sulfur do that before.Yes if its from the sulfer it needs to be rinsed off.and that means spray with water and let dry before tossing them back under the lights again.that would be the first time i seen sulferdo that to a plant,any plant.and i have used burners in large scale greenhouses as well as my own garden for about 20 years or more.
Okay epiphytic, might as well be systemic with the problems it causes and it's practically semantics at that point. I disagree with that assessment of humidity entirely. Cannabis is not, never has been, and never will be, a plant that thrives in high humidity and that website is junk science. I have, in twenty six years, never seen even a hint of the stresses you and the author of that article seem to believe are inevitable. I personally am not growing cannabis to be a medium for fungal diseases, it's only a matter of time if you follow that advice.50% relative humidity will stress the plants... And powdery mildew is not a systemic disease.
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?
We use cookies and similar technologies for the following purposes:
Do you accept cookies and these technologies?