Desperately seeking advise on this problem

S

STJ Guerilla

New Member
This problem seems to always occur a couple days after I give my plants an organic feeding of local goat manure and local bat guano.

My guess is that some nutrient causes a lockout which in turn causes a deficiency, I'm also guessing it might be a fungal infection (which I still kinda doubt) stemming from the local bat guano, because plants seem to be just fine when I use the goat manure on its own during veg.
IMG_20180926_134316.jpg

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Kushash

Kushash

Well-Known Member
STJ Guerilla said:
This problem seems to always occur a couple days after I give my plants an organic feeding of local goat manure and local bat guano.

My guess is that some nutrient causes a lockout which in turn causes a deficiency, I'm also guessing it might be a fungal infection (which I still kinda doubt) stemming from the local bat guano, because plants seem to be just fine when I use the goat manure on its own during veg.
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I don't know what's wrong and don't grow mj outdoors but I'll make a comment.
There are different types of bat guano some with nitrogen and some with phosphorus.
Nitrogen bat guano would probably not cause that but if the soil you are growing in already has a lot of phosphorus a bat guano with a high amount of phosphorus might be a problem.
 
S

STJ Guerilla

New Member
JohnDee said:
STJ,


You're using raw material on your plants. Manure and guano should be processed into a tea first...or at least allowed to compost a bit. May as well just take a dump on your plant.
JD
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I'm getting the same problems when I feed as a tea as well. Here are some more pics of the problem at an earlier stage on some younger plants.

IMG_20180928_113920.jpg

The soil grown in here is a slightly chalky mixed with loam soil. Its found near riversides around here and is very lime based. But I don't believe that's the problem because I have this problem in purchased potted soil as well.
 
S

STJ Guerilla

New Member
Kushash said:
I don't know what's wrong and don't grow mj outdoors but I'll make a comment.
There are different types of bat guano some with nitrogen and some with phosphorus.
Nitrogen bat guano would probably not cause that but if the soil you are growing in already has a lot of phosphorus a bat guano with a high amount of phosphorus might be a problem.
Click to expand...

Yeah I get you. The thing is the bat guano I use was collected locally so I don't know the exact amount of P but my guess is it is high because those bats eat mainly Tropical Almond fruit, mango and Barbados cherry.
 
Roger A. Shrubber

Roger A. Shrubber

Well-Known Member
a lot of people have been yelling "Septoria" at every spot on a plant lately...but that really looks like septoria to me. maybe your local supply of bat guano is carrying a fungus out of the area they're harvesting it from. i would suggest changing to espoma or some other brand of packaged bat guano for a while and seeing if that stops the problem. and i'd spray those with some copper fungicide.
 
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