Like any living thing, plants are attacked by pests and diseases. But they can also be cured with the right treatment. That’s why it’s important to know about phytosanitary products and which is the most suitable in each case. There are chemical and biological ones.

Phytosanitary is the name given to the pesticides, fungicides and herbicides that are used to combat the pests and diseases that plants suffer. These plant medicines can be chemical or biological compounds, whose environmental impact is less. In order to be effective, plant protection products must be used judiciously, in strict compliance with the manufacturer’s instructions, particularly with regard to dosage and handling. Too much can be very harmful.

Pesticides

They are used to combat any insect pests (insecticides) or mites (acaricides). By their form of performance they can be: systemic, that is to say that they are absorbed by the plant once applied; of contact, that they annihilate the attacker when he touches them, and of ingestion, that they act when the product or the treated plant is ingested. Petroleum oils are used as a support to conventional pesticides, since they increase product penetration and plant resistance. Whether as suckers or chewers, aphids, mealybugs, whiteflies, caterpillars and lice are the most harmful insects to plants. Amongst mites, the red spider is particularly prominent. There are phytosanitary products to treat several pests at the same time, and other specific ones. The garden centre will advise you on the most suitable one.

Among the pests, we must not forget the snails and slugs, for which there are helicides.

Fungicides

They are used to fight diseases caused by fungi, bacteria and viruses, which can cause everything from rotting to chlorosis, stains, deformations, etc. They are more difficult to detect than insects and mites, and complicated to diagnose and treat. The most common are powdery mildew, rust and mildew. Preventing the attack of fungi and bacteria is easier than curing the plant once it is sick. This is achieved by controlling excess moisture and growing conditions. A common preventive fungicide is the healing paste that is applied after pruning to the open wound on the plant, where these microorganisms usually penetrate. It is applied with a brush and accelerates the process of callus formation in the pruned area.

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