Herbicide Formidable Expert

IVAN EXPERT, SH

 

The herbicide of systemic action for suppression of perennial and annual weeds in sunflower crops after emergence of cultivated plants

Active substance: tribenuron-methyl, 750 g/kg
Manufacturer: Peters & Burg Ltd., Hungary
Formulation: water-dispersible pellets
Packing unit: 500 g
The mechanism of action of the Herbicide formidable EXPERT is used on sunflower crops, which are resistant to this herbicide.
Active substance penetrates into the plant through its aerial part, is moved to zone of the apical meristem of the plant, where it blocks the process of cell division in plants sensitive weeds. As a result, the growth of weeds stops a few hours after the drug application, later the weeds die.

Feature and benefits
• ability to control annual and perennial dicotyledonous weeds in post emergence of sunflower seeds;
• a single tool for the destruction of this weed in crops of sunflower;
• wide application window - 2 to 6 leaves of cultivated plants;
• flexible norms and patterns of use of the drug in accordance with the type of the debris field, and the number of weeds.

The first visual signs

The first visual signs of drug action on the weeds can be observed within 7 to 10 days after treatment depending on type of weeds and weather conditions. Complete destruction of weeds occurs during 2-2,5 weeks after application.

The response of some weeds to the action of the drug formidable Expert®

Sensitive weeds
A. artemisiifolia (max 2 true leaves); sow Thistle, species; Geranium,; Polygonum pochechuynogo; watercress; black Mustard; Shepherd's purse; dead-nettle, a species; Pea seed; dragnic tonality; Sisymbrium Sophia; Datura Stramonium; Iris, species ; Buttercup, a species of Erysimum direct; Senecio, species; Starwort average; Canetic Theophrastus; wild Lettuce (compass); Pigweed white (max. up to 4 true leaves); Quinoa; wild poppy; field forget-me-not; Cleavers (up to 4 rings); Borodavkin ordinary; Nevzracnica field; wild Radish; Rapeseed, weeds; Popovka field; Popovka smelly; Chamomile, views; the Sandman; the common Sunflower; Knotweed; wild radish, types; Yarutka field; Kress, types; Violet field; Spergel field; Sorrel, species; common Amaranth.
Moderately sensitive weeds
Cornflower blue; black Nightshade; Dymjanka drug; viola tricolor.
Resistant weeds
Convolvulus arvensis; Veronica plusline; perennial and annual grasses.

Recommendations regarding the application
The agent is applied using ground sprayers only on sunflower hybrids resistant to this herbicide.

Regulation of the drug

 

Culture

The consumption rate of the drug

Harmful object

Sunflower

15-25 * g/ha

Annual and perennial dicotyledonous weeds

20-50 g/ha
+ Talent surfactant 200 ml

* The consumption rate of the drug depends on the type of stability of a particular sunflower hybrid to the herbicide.

The formidable EXPERT herbicide should be applied with surfactant TALENT with rate 0.1 l/100L of spray solution.

Phase of cultivated plants
The preparation is brought in the period from 2 to 8 true leaves in cultivated plants. The optimum introduction of the drug in mass emergence of weed germination, which usually occurs between 4-6 leaves of sunflower.
Not all sunflower hybrids have the same resistance to herbicide formidable EXPERT. Depending on the type of stability of hybrid there are various schemes of deposition and consumption rate of the drug formidable EXPERT.

Application of herbicide formidable Expert depending on the stability of sunflower hybrid

 

Type sunflower hybrid relative resistance to the herbicide formidable EXPERT

Application of herbicide formidable EXPERT

Sufficiently stable hybrids

Introduction in two stages with the norms 15+15 g/ha

Sustainable hybrids

Introduction in two stages with the norms of 20+30 g/ha

Highly resistant hybrids

Introduction once with the normal 50 g/ha or in 2 stages with the norms of 20+30 g/ha

 

The development phase of weeds
The effectiveness of the herbicide will occur when at the time of spraying, the weeds will be in the following phases:
• ambrosia artemisiifolia - a maximum of 2 true leaves;
• quinoa white - up to 4 true leaves;
• cleavers - up to phase 3-4 rings;
• other annual dicotyledonous weeds up to 4-6 true leaves;
• perennial - phase sockets - the beginning of stem growth.

Weather conditions
Air temperature +12 ... +220C during the period of application of the drug is optimal. Reduced (less than +120 ° C) or elevated (+250 C) temperature slow down the action of the drug on the weeds, and in some cases can reduce the effectiveness of his actions.
Rain within 3 hours after application of the drug can reduce