Metalaxyl

One of the most commonly used active ingredients In the fight against mildew worldwide.
STRENGHTS
PROPERTIES
MODE OF ACTION
ECOTOXICOLOGY
USES

Metalaxyl: preventive, curative and eradicant

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Strengths

  • ASCENDING SYSTEM It is applied to the root and moves up the xylem.
  • HIGH LIPOPHILICITY It passes easily through waxy membranes.
  • QUICK PENETRATION in one hour.
  • TWO WEEKS OF ACTIVITY inside the plant.
  • MULTIPURPOSE USE on various crops and times.
  • TOTAL PROTECTION FOR THE CROP, even in growing organs.
  • PREVENTIVE, CURATIVE AND ERADICANT ACTION
  • IT FAVOURS SYNERGIES It can be mixed with other fungicides.
  • EXCELLENT ECOTOXICOLOGICAL PROFILE
  • HIGH COMPATIBILITY. Its combined use with other plant protection products allows us to establish a reliable “Treatment guideline”.

Properties

Metalaxyl is an active ingredient belonging to the phenylamide group (acylalanines). Fungicidal activity and action that is specific, systemic, preventive and curative, against oomycete fungi:

  • Peronosporaceae: Fungi causing root and collar rot and mildew.
  • Pythiaceae: Fungi producing seedling damping-off.

This is one of the most commonly used active ingredients in the fight against mildew worldwide.

The active ingredient has translaminar properties; it is absorbed by the leaves, stems and roots; and its movement is apoplastic acropetal.

Its antifungal activity is based on preventing protein biosynthesis in sensitive fungi, by interfering in ribosomal RNA synthesis.

Mode of Action

Ascending system and high lipophilicity

Extraordinary mobility inside the treated plants.

Quick penetration

It penetrates inside the plant in just 1 hour, and is resistant to being washed away by rain and irrigation.

Safe use and reliability

In conditions with a high level of attack and on different crops.

Ecotoxicology

The product is weakly absorbed into the ground and degrades microbially, with a field half-life of about 20 days. Its half-life in water is about 50 days.
Due to its low application doses and its short half-life, there is no risk of it leaching into deeper layers or harming the environment.

Uses

The numerous diseases of fungal origin that metalaxyl controls include:

  • GRAPEVINE : Mildew (Plasmopara viticola).
  • POTATO : Mildew (Phytophthora infestans).
  • SOLANACEAE (tomato, aubergine, pepper, etc.): Mildew (Phytophthora infestans).
  • CRUCIFEROUS VEGETABLES (collard, cabbage, broccoli, etc.): Mildew (Peronospora parasitica).
  • CUCURBITACEAE (cucumber, courgette, etc.): Mildew(Pseudoperonospora cubensis), damping-off (Pythium ultimum).
  • LEAF VEGETABLES (lettuce, spinach, etc.): Mildew (Bremia lactucae).
  • OTHER VEGETABLES (carrot, celery, etc.): Mildew (Plasmopara nivea), spotted or speckled root (Pythium violae), fruit rot.
  • STRAWBERRY PLANTS: Fruit rot (Phytophthora cactorum).
  • CITRUS TREES: Gummosis (Phytophthora citrophthora), Brown rot (Phytophthora spp.) and fruit rot (Phytophthora cactorum).
  • FRUIT TREES: Fruit rot and wood canker.
  • COTTON, TOBACCO AND OTHER INDUSTRIAL CROPS: Damping-off (Pythium ultimum), blue mould (Peronospora hyoscyami f.sp. tabacina), mildew (Pseudoperonospora cubensis).
Metalaxyl penetrates into the cells of the fungus and selectively interferes with DNA synthesis by inhibiting the growth of mycelium and the formation of spores and haustoria.