How to get rid of botrytis or gray mold

How to get rid of botrytis or gray mold

How to get rid of botrytis: natural remedies and products to eradicate botrytis, a fungal infection also known asgray mold.

The risk ofbotrytisincreases under certain conditions, in this article we will see how to prevent botrytis in grapes, strawberries, raspberries as well as vegetables and ornamental plants.

Botrytis, what is it

Therebotrytis it is a disease caused by the fungusBotrytis cinerea.It is commonly known asgray moldit affects a large number of cultivars.

The greatest damage to production is related to the cultivation of grapes, so much so that for treatments against thegrape botrytiswe preferred to set up a dedicated page:gray grape mold.As we have seen, the chemical fight is cumbersome and, in the case of grapes, involves four preventive treatments to be performed in the different vegetative phases of the vineyard.

The ideal victims of the fungusBotrytis cinereathey are not found only among grape varieties. Therebotrytisit attacks above all species grown in greenhouses. Among the ornamental plants most at risk are cyclamen, geranium, chrysanthemum, African violet, hydrangea, glossinia, fuchsia, passion flower and the carnivorous plant Serracenia flava.

Among the vegetables and plants in the garden most frequently attacked bygray moldinclude tomatoes, strawberries, raspberries and lettuce.

Not always therebotrytisis correctly diagnosed: in many cases, thegray moldit is associated with apical, leaf or root rot.

In order not to risk, in case of rot or any other plant disease, it is always advisable to eliminate any dead or dry plant residue.

What are the symptoms of botrytis

As stated, it is not easy to discriminate thebotrytisfrom other types of rot. Symptoms that indicate thebotrytisvary from cultivar to cultivar and also according to the intensity of the attack. In general, it can be said that in the case ofbotrytis, the most evident symptom is given in the presence of a softgray moldwhich in a short time turns into rot.

When thegray moldis mechanically solicited, it releases a cloud ofspores. This is how this fungus propagates so be careful not to touch the spore and gently remove the infected portions without releasing the spores. When the microscopic spores detach from the infected plant, they contaminate other plants or settle on the ground.

The rot of thebotrytisit is characterized by a brownish hue and has a soft consistency, very different from the common garden mold.

How to prevent gray mold

Before you seehow to get rid of botrytis, we will see the preventive techniques to avoid this parasite upstream.

Let's say right away that there are more risks of contractinggray moldin cold and humid environments, with dead or withered fruits and flowers, when the density of plants and seeds is greater than the capacity of the pot or plot of land (plants huddled together, poorly ventilated or thinned).

Therebotrytisit is more frequent in spring and autumn, when temperatures are subject to fluctuations. In this period it is necessary to take care of irrigation avoiding too abundant watering that can leave the soil wet for a long time.

In greenhouses, to prevent botrytis, it is essential to ensure good air exchange to counteract humidity.

To counteract thebotrytis infestationscleaning plays an important role: always eliminate pruning cuttings, dead or withered fabrics, do it immediately before they can start to decompose and rot.

botrytis under the microscope

How to get rid of botrytis

To counteract infestations of gray mold prevention should be aimed at. However, there are several fungicides on the market.

Commercial preparations have different indications based on the cultivar. It is advisable to carefully read the dosages and methods of use indicated on the label. Even more scrupulous must be the waiting in case of treatment on vegetables or other edible species.

As soon as you notice the first symptoms of botrytis, remove the affected plant portions and spray with a good copper-based fungicide.

Who seeksremediesmore specific can experience theantibotritis. There are several products against botrytis available on the market. For some it is necessary to have a license (they are pesticides in all respects), while inThis Pageyou can find the antibotritis more widespread on the market and easier to access.

In the case of botrytis on hydrangea or other flowering ornamental plants, we refer you to the specific article:gray mold on hydrangea.

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