Articles

Root Rot- How to Fix and/or prevent

Posted on June 11, 2014 at 7:40 PM

Root rot is a bad problem in grow rooms and outdoor gardens.

The good news is that this article tells you why it happens and what you can do to stop it.

What are the signs that your plants might have rotting roots? 

In soil or hydroponics, if your plants are drooping, growing slowly or not at all, showing nutrients problems even though you're using good hydroponics ferts and have reverse osmosis water along with the correct pH...the problem may be root rot.

If you're growing in pure hydroponics systems such as Deep Water Culture (DWC), NFT, or aeroponics, you can easily look at your plants roots.

If they're white, dense, and shiny, they're healthy. If they're brown, thin, and/or parts of them are mushy, that's root rot.

There are various vicious microorganisms that can create root rot, including pythium and phytophthora. These aggressive parasites can harm your roots in a few hours or days and gradually suck the life out of your plants.

 

Root rot microorganisms thrive on hydroponics nutrients, light, dirty water, and less-than-optimum water temperatures.

You stop root rot using the following methods:

* Early detection comes from monitoring of plant health aboveground, and if you're running a water culture system, actual visual of your marijuana plants' roots..

* Use hydroponics nutrients that automatically balance and and continually adjust pH so it's in the optimum pH zone (5.7-6.2).

* Don't overwater!

* Keep your root zone and water in the temperature range of 67-71F.

* Install beneficial microbes in your root zone. Beneficial microorganisms protect your roots from root rot organisms. Not only that, they power roots so you get better growth, yield, and general plant health. Use beneficial root zone products made specifically for your plants roots: Mykos, Great White or 420.

* Use a hydroponics enzyme product such as Multizyme, NF Zyme Canna Cannazyme or Cyco Zyme. Enzymes are catalysts that digest root shedding debris and other materials in the root zone. This increases your plant nutrients uptake, and also cleans the root zone so harmful organisms have a harder time taking hold.

* Install aeration devices in your nutrients reservoirs. Oxygenated root zones are healthier root zones.

* If you're growing in soil, make sure your soil has sufficient perlite and other spacers that create looser soil that is less prone to being waterlogged. Many types of commercial soil don't have sufficient aeration and tend to clump up and lack aeration.

* Don't allow light to enter your root zone.

* Only use the best organic soil that comes with on-board beneficial microorganisms and is guaranteed not to have root rot microorganisms. Canna Terra is a great soil to use.

* Keep your grow room, and especially your irrigation system and plant containers as clean as possible.

* Some inferior cheap types of hydroponics nutrients can create conditions that favour root rot microbes. Only use high-end hydroponics nutrients. This gives you the added benefit of having faster growth, and bigger yields.

 

If you detect root rot in your garden, here are the steps you take:

* Run a mild Oxy Plus (hydrogen peroxide) solution through your irrigation and root systems. Ask your hydroponics store for the best hydrogen peroxide products, doses, and cleanse duration specific to your growing system.

* If you're growing in DWC or other pure hydroponics systems, do root pruning to remove rotted root mass. 

* If your plants are in a solid root zone media but the roots haven't penetrated too far yet, remove the plants from those containers, get rid of as much of the old root zone as possible, and re-install fresh root zone materials.

* Change out your water and clean your irrigation system, especially your reservoir and buckets. Use H&G House Clean.

* Water can carry harmful microorganisms. If you aren't running reverse osmosis water, now's the time to do it. 

* If you disturb your plants with root pruning or removal from their stable placing, give them Go Green, Dr Repair and/or Rock Supercharge Root Tonic.

* Use Chillers/ Heaters and aerators to ensure proper root zone temperature and oxygenation.

* Re-install beneficial microbes after you're done using hydrogen peroxide.

Root rot has become a persistent and destructive problem in the hydroponics community. It's especially prevalent in deep water culture and other water culture hydroponics systems.

 

 

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