Branches die after changing colour

Bio-fungicide may help. I'm not 100% on it being Rhizoctonia but reasonably sure that it's a pathogenic fungus in the same family. Could you do some Google image searches for Rhizoctonia and compare them to what you have in your plants?
 
Bio-fungicide may help. I'm not 100% on it being Rhizoctonia but reasonably sure that it's a pathogenic fungus in the same family. Could you do some Google image searches for Rhizoctonia and compare them to what you have in your plants?
Hi...yes i already did and there many fotos but only a couple looks similar to mine..most of it show the roots and not the branches...some of them i saw i could say yes it is similar or same..
When i read about it all the symptoms i read is the symptoms i see.
How to find it on google...?
As rhizoctonia or as a pathogenic fungus?
Shall i google "hoe to fight pathogenic dungus on cannabis or hot to fight rhizoctonia on cannabis..?
Coz the word rhizoktonia did not give me much info.
 
Fusarium is a family of pathogenic fungus as well and I think it fits your symptoms better.
It's root rot. I would look at the roots of one of your plants. If they are healthy they should be white and feathery. If they are brown, slimy and smelly you most likely have Fusarium. Plants can get this a few ways. One of the ways is overwatering another way is to plant in old soil or by not sanitizing contaminated equipment. Being a pathogenic fungus it can spread from plant to plant.
I would look at you roots and smell them if you have to. There is a lot of info about Fusarium.

You will have to excuse me, I have to go take care of my kids. Do some reading and detective work. We will see where you are at later today.
 
Fusarium is a family of pathogenic fungus as well and I think it fits your symptoms better.
It's root rot. I would look at the roots of one of your plants. If they are healthy they should be white and feathery. If they are brown, slimy and smelly you most likely have Fusarium. Plants can get this a few ways. One of the ways is overwatering another way is to plant in old soil or by not sanitizing contaminated equipment. Being a pathogenic fungus it can spread from plant to plant.
I would look at you roots and smell them if you have to. There is a lot of info about Fusarium.

You will have to excuse me, I have to go take care of my kids. Do some reading and detective work. We will see where you are at later today.
Thank u very much...i will have a look to the roots...
I believe u r right...
If u r right what can i use to stop it?
Can i?
Anyone if knows please to tell me if there is any product for this....??thank you
 
It's deep into the plant stalks so I'm not sure anything can be done. There are hydrogen peroxide treatments for root rot as well as some bio-fungicides. Not s ure how well the bio-fungicides work if at all.

How long have they been like this? You may have already answered and I missed it.
 
It's deep into the plant stalks so I'm not sure anything can be done. There are hydrogen peroxide treatments for root rot as well as some bio-fungicides. Not s ure how well the bio-fungicides work if at all.

How long have they been like this? You may have already answered and I missed it.
Yes i check it very good and look like fusaria...i think is fusaria...
I am not sure how long is like this..
I discover it just 1 week ago maybe 10 days..
The big problem is on the big one i plant it in an old big not round pot.
I saw this 10/days ago about.but i saw a small auto it was under the infected and then i start to worry.
Yesterday i saw more and i decide to search it..
I found nothing on net.but here i ask and "fusaria fungus " is the problem i have...
Now i must learn hiw to fight them back..
 
If this fungus didnt spread yet ,how to stop spreading...
I did buy yesterday some mycorhiza and some others helps roots.
I bought also this "oxugene" (peroxide something) from a grow shop.i decide to use the liquids i get maybe i will give some time coz it is on flowering phase and i thought maybe i will harvest it without lose it.
I am really sory for my english..
 
Thos happen coz i use a seed i didnt know where come from and i place it in a big pot with very old soil..
This soil was there 7 years...
I didnt believe it will go so big.
I didnt know it was photoperiod.
I thought it was an auto.
When is see it getting bigger and first pistills appears i decide to keep it coz it would give me a nice yield .i think of this before i realize buds dont fatten coz of this fungus.
 
I'm sure I saw a stink bug on one of those pics. They will destroy your plant where they bite it. I've seen similar in my garden. Entire branches die off sometimes. Sometimes just the tips. Hope you figure it out soon.
I didnt know what is this...
I thouhht helps the plant...
My problem is fusaria...
I am pretty sure about this..
As long i search for fusaria as much i belive is the correct fungus.
Thank u for reply.
Have a nice day
 
I watxh again the pictures with cannabis and fusaria...
Except the colour change,i saw another sign is fusaria.and i know now where it come from.i have a pure kush photoperiod reveg after 5 months of flowering and the leaves are same as this..
b57d33486bb5ecaea17f66cafcf5a513.jpg
 
I just want to share with u here a strain i breed using colloidial silver to Northern Light autoflowering and get male pollen sacks and cross it with a True Og autoflowering and get these and more.i get some hermies as well.
I breed 2 strains, the other one is by crossing a male photoperiod with an auto feminized,and.....
F1
F2
F3 now 100% autos 50% male 50% female.not feminised .just female.
This one the picture is the CS method.
I have to admit both gave some very very good staff and some was weak...
Anyway i just share my thoughts with u coz i just left the grow space .
My problem is still there and i am prepared to fight it back strong.
I bought the "peroxide something but i must learn how to use.when to use.why to use.and the problem getting bigger every day.
IMG_20190829_115227-1600x1200.jpg
IMG_20190829_115238-1200x1600.jpg
IMG_20190829_115259-1200x1600.jpg
IMG_20190829_115314-1200x1600.jpg
IMG_20190829_115326-1200x1600.jpg
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IMG_20190829_115422-1200x1600.jpg
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IMG_20190829_115527-1600x1200.jpg
IMG_20190829_115227-1600x1200.jpg
IMG_20190829_115238-1200x1600.jpg
IMG_20190829_115259-1200x1600.jpg
IMG_20190829_115314-1200x1600.jpg
IMG_20190829_115326-1200x1600.jpg
IMG_20190829_115318-1200x1600.jpg
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IMG_20190829_115457-1200x1600.jpg
IMG_20190829_115515-1600x1200.jpg
IMG_20190829_115527-1600x1200.jpg
 
I watxh again the pictures with cannabis and fusaria...
Except the colour change,i saw another sign is fusaria.and i know now where it come from.i have a pure kush photoperiod reveg after 5 months of flowering and the leaves are same as this..
b57d33486bb5ecaea17f66cafcf5a513.jpg
Spider mites. You need to get something to control insects in your garden. You should look for stink bug eggs as well and remove affected leaves.
Bugs can damage plants making it easy for bacteria, viruses and mold to take hold.

Usually for root rot you remove the plant from the pot and inspect the roots. If they are brown and smelly, you will want to remove them from the the plant and repot in fresh soil in a clean pot. You can also do a H2O2 bath.
Since you are in flower it will effect your plants harvest but sitting and doing nothing isn't a good option either.

You are going to want to dispose of any old soil.
 
Credit for this article goes to 420 and Robert Bergman
Fusarium On Marijuana Plants




Fusarium-on-marijuana-plants-600x317.jpg

How to Get Rid of Fusarium in Marijuana Plants:
Fusarium is a type of fungi that specifically targets the leaves and roots of the marijuana plants. Dormant in warm, tropical soil, it can wait for years for the perfect time to hit the crop. Hence, it can be present anywhere in the garden. In addition, it is often spread by running water and garden tools.
For many soil growers, fusarium poses an immense threat when activated as it causes wilting or root rot depending on the strain of weed. The worst thing is that once the infestation starts, it can be extremely hard to treat affected plants. For many growers, dealing with it can be very tricky.
Since fusarium dwells and thrives only in soil, growing hydroponically is a good option to avoid it. However, this setup might not be viable for many growers. Fortunately, there are steps we can take to ensure that the fungi don’t touch our soil-grown crop.
Hence, this article will teach the skills to prevent it from causing harm in the first place. This includes being able to spot it as soon as the first sign of infection shows.
For the most part, ensuring a fusarium-free weed garden means working hard to make the environment less welcoming to the fungi. So, read on to start learning how to stop fusarium from ruining the chance to get a decent harvest.
How to Remove Fusarium from the Cannabis Garden
Fusarium is one of the hardest problems in the marijuana garden to fix. But once we learn the basics, we can do something to stop it. Here are some surefire ways to dealing with this soil fungi.
  • Prevent it
As mentioned, it’s hard to save the plants once fusarium strikes. While there are some things we can do to minimize the damage, it makes more sense to simply throw away the affected plants and start anew. Hence, the top priority when dealing with it is prevention. In this section, we will learn the steps to do this.
  • Start with High-Quality Seeds
Start-with-High-Quality-Seeds.jpg

The best way to beat pests and diseases is to buy the best marijuana seed we can afford. As such, good seeds usually have strong genetics that makes it harder for the fungi to creep up from the roots. So, always get seeds from a reputable source.
  • Use Good Soil
Use-Good-Soil.jpg
Use Good Soil
Since Fusarium thrives in soil, protect marijuana plants by starting with a fusarium-free medium. This includes using natural fungicides from preparations of nettle and horsetail. We can also use compost or compost tea to increase the beneficial bacteria that remove bad fungi.
To nourish the soil, add bacterial food like molasses to support the good bacteria within the soil. If clay soil is available, use it to increase the pH of the medium which lowers the number of the fungi.
Loamy soils are also helpful since they might be housing microbes that fight off fusarium. Planting other healthy plants together with the cannabis also improves the quality of the soil and help control the problem.
To further ensure the safety of the soil, use containers instead of planting directly on the ground. This limits the area of infection which makes it easier to limit the spread of infection.
  • Grow Indoors
Grow-Indoors.jpg
Grow Indoors –
As with any fungi, fusarium develops in moist and warm environments. So, we have a better chance of preventing its growth if we can manually adjust the humidity and temperature. And the best way to do this is to grow the plants indoors where we can monitor and modify many variables.
In this type of setup, growers can pay close attention to the humidity levels by using a hygrometer. If the reading is too high, which sometimes happens, use dehumidifiers to restore it to the correct levels. Since plants require less moisture over time, make sure to monitor the grow room regularly.
  • Sterilize Garden Tools
Sterilize-Garden-Tools.jpg
Sterilize Garden Tools –
Diseases are often spread from one place to another by using garden tools that have come in contact with the fungi. So, make sure to clean and sterilize this equipment as well as the gardening gloves and the watering hose. When it comes to stopping fusarium, we need to cover all the bases.
  • Avoid Overwatering
Avoid-Overwatering.jpg
Avoid Overwatering –
Aside from cutting out the oxygen supply in the roots, overwatering also promotes the growth of any fungi. So, learn the correct way to water the plants to avoid these common problems.
  • Look for Signs of Infection
Monitoring the status of the marijuana plants is a big part of taking care of them. Without it, we won’t be able to know if our plants are suffering from a Fusarium infestation. But what does an infected plant look like? As mentioned, the two main symptoms are wilting and root rot depending on the type of the weed.
  • Leaf Symptoms
Leaf-Symptoms.jpg
Leaf Symptoms –
Usually for root rot you remove the plant from the pot and inspect the roots. If they are brown and smelly, you will want to remove them from the the plant and repot in fresh soil in a clean pot. You can also do a H2O2 bath.
Since you are in flower it will effect your plants harvest but sitting and doing nothing isn't a good option either.

You are going to want to dispose of any old soil.
[/QUOTE]

A fusarium attack will quickly wilt the leaves, changing it from vibrant green to yellow and brown. But the sure sign of a Fusarium wilt is when the tips curl upwards while the leaves look as though they may drop off but actually won’t’.
  • Root Symptom
Root-Symptom.jpg
Root Symptom
It’s a little bit harder to detect the initial signs of a fusarium root rot which is when the roots turn reddish. Obviously, we can’t see this as the roots are buried underground. But the fungus is already working to block water and nutrients from getting into the plant.
As the symptom worsens, it starts to move up fast into the stems and rot them as well. As a result, the plant will collapse and die.
  • Stop the Infection
While it may be futile to treat infected plants, we can try to save the healthy ones if we move fast. In general, it’s way easier and safer to just start again. So, here’s how to do it.
  • Act Fast
Act-Fast.jpg
Act Fast –
It’s important to remove the affected plants right away as soon as we notice the symptoms. If we don’t do this, it will decompose and serve as a breeding ground for the fungi. As a result, any plant that will grow in the same soil will also be devastated.
  • Add Hydrogen Peroxide
Add-Hydrogen-Peroxide.jpg
Add Hydrogen Peroxide –
After getting rid of the infected plant, apply hydrogen peroxide to the soil to disinfect it. This will also add oxygen to the soil which will improve its quality. To use, add 20cc of hydrogen peroxide per liter of water to achieve these desired effects.
  • Start Anew
Start-Anew.jpg

Start anew.
As mentioned, it’s hard to save the plants once fusarium strikes. While there are some things we can do to minimize the damage, it makes more sense to simply throw away the affected plants and start again. This is to ensure that we don’t smoke infected buds as they can be harmful to our health.
To begin planting, pick a location that is as far away from the infested site as possible. Indoors, we can achieve the same effect by cleaning the grow space and using a different soil.
Maintain Healthy Soil to Beat Fusarium
Prevention is key when it comes to dealing with Fusarium in the marijuana garden. As such, it’s best to grow indoors and provide only enough water and use the correct intensity of light. This will create an environment that is not friendly to the fungi.
But when we do notice the problem, it’s best to simply throw away the plant and start all over again. This will reduce the spread of Fusarium infection and ensure that we only get healthy buds.
 
Credit for this article goes to 420 and Robert Bergman
Fusarium On Marijuana Plants




Fusarium-on-marijuana-plants-600x317.jpg

How to Get Rid of Fusarium in Marijuana Plants:
Fusarium is a type of fungi that specifically targets the leaves and roots of the marijuana plants. Dormant in warm, tropical soil, it can wait for years for the perfect time to hit the crop. Hence, it can be present anywhere in the garden. In addition, it is often spread by running water and garden tools.
For many soil growers, fusarium poses an immense threat when activated as it causes wilting or root rot depending on the strain of weed. The worst thing is that once the infestation starts, it can be extremely hard to treat affected plants. For many growers, dealing with it can be very tricky.
Since fusarium dwells and thrives only in soil, growing hydroponically is a good option to avoid it. However, this setup might not be viable for many growers. Fortunately, there are steps we can take to ensure that the fungi don’t touch our soil-grown crop.
Hence, this article will teach the skills to prevent it from causing harm in the first place. This includes being able to spot it as soon as the first sign of infection shows.
For the most part, ensuring a fusarium-free weed garden means working hard to make the environment less welcoming to the fungi. So, read on to start learning how to stop fusarium from ruining the chance to get a decent harvest.
How to Remove Fusarium from the Cannabis Garden
Fusarium is one of the hardest problems in the marijuana garden to fix. But once we learn the basics, we can do something to stop it. Here are some surefire ways to dealing with this soil fungi.
  • Prevent it
As mentioned, it’s hard to save the plants once fusarium strikes. While there are some things we can do to minimize the damage, it makes more sense to simply throw away the affected plants and start anew. Hence, the top priority when dealing with it is prevention. In this section, we will learn the steps to do this.
  • Start with High-Quality Seeds
Start-with-High-Quality-Seeds.jpg

The best way to beat pests and diseases is to buy the best marijuana seed we can afford. As such, good seeds usually have strong genetics that makes it harder for the fungi to creep up from the roots. So, always get seeds from a reputable source.
  • Use Good Soil
Use-Good-Soil.jpg
Use Good Soil
Since Fusarium thrives in soil, protect marijuana plants by starting with a fusarium-free medium. This includes using natural fungicides from preparations of nettle and horsetail. We can also use compost or compost tea to increase the beneficial bacteria that remove bad fungi.
To nourish the soil, add bacterial food like molasses to support the good bacteria within the soil. If clay soil is available, use it to increase the pH of the medium which lowers the number of the fungi.
Loamy soils are also helpful since they might be housing microbes that fight off fusarium. Planting other healthy plants together with the cannabis also improves the quality of the soil and help control the problem.
To further ensure the safety of the soil, use containers instead of planting directly on the ground. This limits the area of infection which makes it easier to limit the spread of infection.
  • Grow Indoors
Grow-Indoors.jpg
Grow Indoors –
As with any fungi, fusarium develops in moist and warm environments. So, we have a better chance of preventing its growth if we can manually adjust the humidity and temperature. And the best way to do this is to grow the plants indoors where we can monitor and modify many variables.
In this type of setup, growers can pay close attention to the humidity levels by using a hygrometer. If the reading is too high, which sometimes happens, use dehumidifiers to restore it to the correct levels. Since plants require less moisture over time, make sure to monitor the grow room regularly.
  • Sterilize Garden Tools
Sterilize-Garden-Tools.jpg
Sterilize Garden Tools –
Diseases are often spread from one place to another by using garden tools that have come in contact with the fungi. So, make sure to clean and sterilize this equipment as well as the gardening gloves and the watering hose. When it comes to stopping fusarium, we need to cover all the bases.
  • Avoid Overwatering
Avoid-Overwatering.jpg
Avoid Overwatering –
Aside from cutting out the oxygen supply in the roots, overwatering also promotes the growth of any fungi. So, learn the correct way to water the plants to avoid these common problems.
  • Look for Signs of Infection
Monitoring the status of the marijuana plants is a big part of taking care of them. Without it, we won’t be able to know if our plants are suffering from a Fusarium infestation. But what does an infected plant look like? As mentioned, the two main symptoms are wilting and root rot depending on the type of the weed.
  • Leaf Symptoms
Leaf-Symptoms.jpg
Leaf Symptoms –
Usually for root rot you remove the plant from the pot and inspect the roots. If they are brown and smelly, you will want to remove them from the the plant and repot in fresh soil in a clean pot. You can also do a H2O2 bath.
Since you are in flower it will effect your plants harvest but sitting and doing nothing isn't a good option either.

You are going to want to dispose of any old soil.

A fusarium attack will quickly wilt the leaves, changing it from vibrant green to yellow and brown. But the sure sign of a Fusarium wilt is when the tips curl upwards while the leaves look as though they may drop off but actually won’t’.
  • Root Symptom
Root-Symptom.jpg
Root Symptom
It’s a little bit harder to detect the initial signs of a fusarium root rot which is when the roots turn reddish. Obviously, we can’t see this as the roots are buried underground. But the fungus is already working to block water and nutrients from getting into the plant.
As the symptom worsens, it starts to move up fast into the stems and rot them as well. As a result, the plant will collapse and die.
  • Stop the Infection
While it may be futile to treat infected plants, we can try to save the healthy ones if we move fast. In general, it’s way easier and safer to just start again. So, here’s how to do it.
  • Act Fast
Act-Fast.jpg
Act Fast –
It’s important to remove the affected plants right away as soon as we notice the symptoms. If we don’t do this, it will decompose and serve as a breeding ground for the fungi. As a result, any plant that will grow in the same soil will also be devastated.
  • Add Hydrogen Peroxide
Add-Hydrogen-Peroxide.jpg
Add Hydrogen Peroxide –
After getting rid of the infected plant, apply hydrogen peroxide to the soil to disinfect it. This will also add oxygen to the soil which will improve its quality. To use, add 20cc of hydrogen peroxide per liter of water to achieve these desired effects.
  • Start Anew
Start-Anew.jpg

Start anew.
As mentioned, it’s hard to save the plants once fusarium strikes. While there are some things we can do to minimize the damage, it makes more sense to simply throw away the affected plants and start again. This is to ensure that we don’t smoke infected buds as they can be harmful to our health.
To begin planting, pick a location that is as far away from the infested site as possible. Indoors, we can achieve the same effect by cleaning the grow space and using a different soil.
Maintain Healthy Soil to Beat Fusarium
Prevention is key when it comes to dealing with Fusarium in the marijuana garden. As such, it’s best to grow indoors and provide only enough water and use the correct intensity of light. This will create an environment that is not friendly to the fungi.
But when we do notice the problem, it’s best to simply throw away the plant and start all over again. This will reduce the spread of Fusarium infection and ensure that we only get healthy buds.
[/QUOTE]
Thank u very much for this....
Very helpfull
 
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