How to avoid cannabis root rot

Written by on 4 December, 2020

As you know, growing marijuana can be a rewarding activity; however, it requires a lot of dedication. You see, cannabis plants can become susceptible to multiple diseases and inconveniences if they are not given the necessary care.

One of the problems you may face is root rot. Continue reading this post so that you know some ways to avoid it.

What is root rot?

First, it is important that you are clear about what root rot is. Well, it is a disease that can affect cannabis plants, both in indoor and outdoor growing, which can be caused by various species of fungi, such as Fusarium, Phytophthora, Pythium or Rhizoctonia.

Root rot fungi can remain in the soil for long periods of time and are resistant. They can even be there before planting.

This disease commonly affects seeds and young seedlings, as they are usually more fragile than large plants.

Poor drainage can lead to this problem. This disease can also occur in hydroponic growing.

Most common symptoms:

In general, terms, when this disease affects a cannabis plant, its roots instead of being white, take on a brown color as the disease progresses.

Root rot manifests itself in many ways, but you will notice that the plant is very weak and its development is slowed down. The leaves of the cannabis, progressively acquire yellowish tonalities (of form similar to which it happens when there is a lack of nutrients).

It is very common that the edges and the tips of the leaves darken, twist, dry and fall. These are just some of the symptoms. Be careful not to confuse them with those of other diseases.

How to avoid cannabis root rot

Solving this problem once the rot has settled is an extremely complicated (almost impossible) task. So you must start working on its prevention, for this we recommend some of the ways to avoid it:

– Verify that the medium growing where you are going to plant is free of fungi, and that the substrate is of quality.

– Use a well-drained soil. Similarly, it is ideal to use an aerated substrate that allows a good oxygenation of the roots.

– Keep away from pests. Of course, try to ensure that your growing is hygienic.

– Eliminate immediately plants and the substrate that is affected by the disease. Do it carefully.

– Make sure, that factors such as watering, temperature, ventilation, nutrition, among others, are at the right levels. It is ideal that the soil is not too wet, and that there are no environmental conditions conducive to root rot.


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