[Dorje113]

Originally Posted by plhkarma

Hi all. This thread is awesome....so much info that has been helpful. It appears that we have the same disease that we are seeing on all your pics. We had to pull one plant cuz it was just destroyed by this crap. A friend brought over a fungicide called "Bonide Fung-onil" for us to use. After reading the info on it we are a bit concerned. On this product as well as the Liquid Copper it stresses caution during application...like be sure to not get it in your eyes, on your skin, inhale it, etc.. So do we need to go out and get a bio-hazard suit to apply this stuff? Really would like to hear how you all apply these things safely. Thanks so much for any and all advice

That stuff is copper soap, afaik, I believe you want copper sulfide, the metal form, which is even worse for you but may actually work.... and yes take the precautions seriously.

Well, this is what happens if you wait a week once the spots are heavy. This is my infected WW 3 weeks ago, I had just noticed a few spots:

A week ago the leaves were covered with spots; decided to not spray and go one more week to save the buds. Here's what it looked like - if I had went one more day it would have been a total loss:


I chopped immediately, and was able to save some bud, unfortunately they needed a couple more weeks (100% clear trichs), but better than nothing:

Like I said before, the sativas in the same area are not infected at all. (this is GHS WW).

Close up of infected buds (crappy pic):

[hamstring]

Stratmandu
Sorry for your loss and glad you did come away with some bud, early or not. I applaud you for taking the time and showing the humility to show us those pics. If a pic is worth a 1000 words yours is worth a 1000 curse words.

In the guerrilla world you just jumped on a grenade to save your fellow guerillas. Your post will help so many other guerillas in the future. They will now to act fast and take proper measures. If you believe in karma I send ++++ you way.

I wont see my girls for another week or more and I already know I have some plants that are only fit for hash but seeing your pics is cold and sober reminder of what I may see when I show up.
Thanks again.

[Dorje113]

strat, sorry man that sucks, but at least you got something... amazing the difference in resistance to disease among different strains....

on a more positive note the ferti-lome stuff I mentioned above seems to be working on my plant and on the ones in my friends veg. It has halted the disease even on leaves that are infected, although I'm sure that won't last. I'm going to do a 2nd application, the plants didn't seem to mind it at all.

[cro_guerilla]

Very, very actual thread.

In my swamp grow almost all plants affected with fungi except nettles.

White family and sativas are most resistant but also have some spots:





Plants start in April looks much better than plants from May/June. Himalaya gold is most affected:


Last week treat with liquid sulfur not help much. Septoria infection progress rapidly and almost all leafs affected (three days after pruning):


In local store find Syngenta Ridomil Gold Plus (40% cooper + 2.5% metalaksilam-metalaksil) as systemic fungicide .

Is it right remedy for Septoria Cannabis?

Should I treat with this all plants or only most affected?

Peace.

[bagend12]

Looks like a type of blight.

Try a product called serenade.

LIquid copper (copper soap) is doing the job for me. Plants that have received two applications are looking good. (Except for a couple of white russians that were infected real early.) A few plants are scheduled for a second treatment early this week, and from the looks of it yesterday NEED that second dose.

Thanks for reporting on the taste of harvested buds after copper application, doc. I've been worried about that myself.

Last week I also noticed crown rot forming on a particular strain in 10 gal smart pots. (We got more than 14" of rain in a 28 day period and then later, nine more inches over 20 days. These plants are in compacted soil but just rocking the prairie. (Look to be pounders +.) I sprayed the crowns with actinovate and then took advantage of the wonderfully dry week and let the plants dry out. Yesterday they were bone dry and ready for another dose of actinovate mixed with ferts. Not sure if one will make it to the end of the season, but the worse gal still appears to be thriving and the rot on the crown doesn't appear to be as much of an issue. Still not sure what's happening underground, though.

Thanks for everything, gang.

lw

[D.S. Toker. MD]

High

Aint it true hamstring. Stratmandu, i feel your pain man. ive harvested 4 plants already because i had too. They looked just like yours. If you cure early buds for a few months, theyre pretty good.



My situation has washed out to a conclusion here guys. The plants i have that were treated early with LCopper were cured are doing fine and full of blooms. The plants that were heavily involved with the disease at the time of application have had their immenent death delayed by Lcopper.

The label information on Liquid Copper should be taken litterally. It says LC is best as a preventative measure and is very effective if used in the early stages of the disease. Effectiveness decreases dramatically as the prevalence of the disease increases in the plant. When the plant is heavily involved, Lcopper only delays the inevitable.
.
This is what ive written into next years plan/calender.(thanks to hamstring, i now have have a plan with dates!)


1. Spray with Liquid Copper-2tsp/gal on Aug.1. (hamstring started this thread on 8/13. About 2 weeks prior to that is when i saw my first problems )

2. Check fan leaves weekly. Spray 2tsp/gal if any apparent leaf yellowing has occurred.

The diseases are easy to prevent, nearly impossible to cure. If i had followed this regimen this year, i would be a lot better off today.

[D.S. Toker. MD]

Cro guerilla, Himalayan Gold was my most infected plant last year. its highly succeptable.

Dorje113 and plhkarma, aint that fungonil systemic? I looked into it and opted out, i cant remember why now. Be careful..