EPHEMER фото 1 DefendaEPHEMER фото 2 Defenda
EPHEMER фото 3 DefendaEPHEMER фото 4 Defenda

Post-emergence herbicide of a system action, designed for application in areas of the cereal crops and corn/maize in order to destruct annual and some perennial dicotyledonous weeds.

EPHEMER фото 5 DefendaEPHEMER фото 6 Defenda

Active Fraction Content 2-Ethylhexyl ether 2.4-D, 905 g/L

EPHEMER фото 7 DefendaEPHEMER фото 8 Defenda

Chemical Group derivatives of chlorphenoxyacetic acid

EPHEMER фото 9 DefendaEPHEMER фото 10 Defenda

Preparative Form Emulsion Concentrate

EPHEMER фото 11 DefendaEPHEMER фото 12 Defenda

WHO Classification III class Low-toxic substance

Advantages of product

Rapid penetration, rapid appearance of visual symptoms.

There are no restrictions on crop rotation for subsequent crops.

The preparation is the perfect partner for tank mixes.

The preparation prevents the emergence of resistance to the preparations belonging to sulfonylureas.

EPHEMER фото 1 Defenda

Mechanism of Action

The active substance infringes biosynthesis of structural and enzyme proteins that leads to the destruction of metabolism of a plant organism. It penetrates into a plant through the surface organs (mainly through the leaves) and actively moves through the plant, accumulating in the young meristematic tissues of leaves, stems and the roots. Under the influence of the phenomenon of epinasty, i.e. the accelerated growth of tissues of the top of the leaves, stems and petioles, they become distorted towards the bottom, thickening of the conducting fabrics, which is accompanied by turgor. As a result, thereof the shoots and roots are broken up, the nitrogen, phosphorus, potassium intakes to the plant decrease, and the synthesizing action of the root system ceases. Aqueous exchange is disrupted, turgor is lost, and plants fade and die.

EPHEMER фото 2 Defenda


Most sensitive weeds:

Weeds of the cross-flowers family, amaranth, self-seeding rape, lambsquarter goosefoot (Chenopodium album), ambrosia, self-seeding poppy, self-seeding sunflower (including persistent to sulfonylureas and imidazolines), Chinese bellflower (Abutilon), common cocklebur (Xanthium strumarum), common arache (Atriplex patulum).

Middle-sensitive weeds:

thistle yellow, Canada thistle (Cirsium arvense), field bindweed (Convolvulus arvensis) (Ephemer is more effective against bindweed than 2.4-D amine salt).

EPHEMER фото 3 Defenda

Preparation Properties

Signs of action already appear on the day of treatment. The preparation especially fast shows its effect in the areas where the small precipitations are usually falling.

Consumption Standards & Application Terms

Culture, weed to be treated
Destructive Weeds
Application Method
Consumption Standards, L/ha
Number of Treatments
Culture, weed to be treated
Corn / Maize
Destructive Weeds
Annual and perennial dicotyledonous weeds
Application Method
Spraying at the time growing from the start of tillering/bushing out up to the leaf-tube formation
Consumption Standards, L/ha
Number of Treatments
Culture, weed to be treated
Corn / Maize
Destructive Weeds
Annual and perennial dicotyledonous weeds
Application Method
Spraying in the phase when 3 up to 5 leaves of culture appear.
Consumption Standards, L/ha
Number of Treatments

Recommendations for Use

Application Features

Ephemer is used in the phase when the weeds are actively growing. When the weeds are actively growing they should be treated. Optimum application temperature: from + 12°С to + 25°C. Sensitive plants will have already ceased to grow in several hours after treatment. The weeds will die completely in 7-10 days, depending on the species characteristics of plants, a phase of their development and weather conditions. The plant soaks up the preparation very quickly, so in one hour later after treatment, the preparation is not washed away by rain.

Spray Material Consumption Standards

The volume of the spray material applicable should be 200 – 250 L/ha


It is not recommended to mix together with any growth stimulator.

Precautions in Use

It is recommended to avoid using the preparation immediately after frosts or in expectation of frosts in the night after treatment. Do not use the preparation on the crops that are in stress state (e.g., when there is a drought, the soil is excessively moistened, plants are damaged by frost, pests, disease, etc.



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