Herbicide Polaris, BT - a selective pre-emergence herbicide for controlling annual monocotyledonous and dicotyledonous weeds in corn, sunflower and soybean crops.
Active ingredient: acetochlor, 900 g/l.
Preparative form: emulsion concentrate.
Chemical group: chloracetomids.
Packaging: 20 l., the price is indicated for 1 l.
Toxicological characteristics: WHO classification - 3rd class (mildly toxic).
Compatibility with other drugs:
To control a wider range of dicotyledonous weeds, Polaris BT is recommended to be mixed with other herbicides on appropriate crops. For example, on
sunflower, a combination of Polaris BT + Prom BT is used. Before preparing tank mixtures, it is necessary to conduct trial mixing and carefully read the instructions and restrictions on the simultaneous use of the drug. The tank mixture should be used immediately after preparation.
Preparation of working solution:
The working solution of the drug must be prepared at specially equipped points. Before use, it is necessary to prepare the equipment for spraying: check the serviceability
sprayer systems, thoroughly wash the tank, main pipelines and nozzles for spraying the working mixture. Before work, adjust the sprayer to the specified operating mode. When the sprayer is in mixing mode, pour the necessary amount of the drug into a sprayer tank filled with water to 1/3. After a few minutes, add water until the tank is full. After applying the drug, it is necessary to thoroughly wash the tank, main pipelines and nozzles with clean water.
Mechanism of action:
The mechanism of action is inhibition of cell division. The transport of amino acids and auxins into the coleoptile stops, the osmotic pressure decreases and the embryo dies. The effect of the drug on weeds is irreversible. If the application technology is followed, the absence of weeds is ensured for 12-14 weeks. The drug does not affect weeds that have already sprouted. Soils with a high content of humus and clay partially reduce the effectiveness of the drug. Therefore, Polaris BT is recommended to be used on sandy soils with the minimum recommended rates, and on loamy soils and soils with a high humus content - with the maximum rates. The soil should not have large hard lumps, which increase the absorption area and reduce the effectiveness of the herbicide.
Spectrum of action and properties:
Annual dicotyledonous weeds: bitter gourd (Acroptilon species, spp), bitter gourd (Amaranthus species, spp), common buckwheat (Capsella bursa-pastoris), common gill (Galeopsis tetrahit), wild radish (Raphanus raphanistrum), garden purslane (Portulaca oleraceae), small-flowered galinsoga (Galinsoga arviflora), black nightshade (Solanum nigrum), brilliant nightshade (Atriplex nitens), three-rib (Matricaria species, spp), datura (Datura stramonium), medium star (Stellaria media), medicinal radish (Fumaria officinalis), ambrosia artemisifolia, white quinoa (Chenopodium album).
Perennial weeds: pink thistle (Cirsium arvense) - seedlings from seeds, sorghum (Sorghum halepense) - seedlings from seeds.
Cereal weeds: gray mouse (Setaria glauca), chicken millet, flat (Echinochloa crus-galli), oats (Avena), hemostatic glove (Digitaria ischaemum), green mouse (Setaria viridis).
Method of application and cost norms:
(//tractor-service.com)
* Culture * Spectrum of action * Consumption rates, g/ha * Method, processing time
*
Corn
- Annual grass and dicotyledonous weeds
-1.8 – 3.0
-Spraying the soil before the emergence of crop seedlings
* Sunflower
- Annual grass and dicotyledonous weeds
-2.0 - 3.0
-Spraying the soil before the emergence of crop seedlings
The maximum number of treatments is 1.
The waiting period from the last treatment to harvesting is not established.
Rate of consumption of the working solution: 195
Поляріс БТ вносять на поверхню грунту перед сівбою, під час сівби або після сівби. Ефективність препарату залежить від наявності вологи в грунті. Оптимальні умови застосування після опадів або після зрошування, якщо грунт сухий – необхідно провести заробку з загортанням в грунт легкими боронами. Оптимальна норма витрати робочого розчину – 300-500 л/га. Під час внесення робоча швидкість агрегату повинна становити 7-10 км/год. Забороняється проводити обприскування при швидкості вітру більше ніж 3-4 м/с. Оптимальна температура внесення – від 15˚C до 25˚C. Для препарату характерна помірна летючість, яка зростає з підвищенням температури (вище 25˚C), помірна розчинність у воді і висока стабільність до ультрафіолетового випромінювання.
Toxicity: WHO classification - 3rd class (low toxicity). Time limits for workers to enter treated areas for mechanized work - 3 days, for manual work - 7 days.
Advantages of the drug:
highly effective control of most common annual grasses
and dicotyledonous weeds before the emergence of crop seedlings;
protective effect lasts 6-8 weeks;
for tank mixes, the ideal partner is Prom BT;
decomposes in the soil during the growing season and has no after-effect;
ensures reduction of mechanical tillage.