«Zenkor Ultra" - a highly effective herbicide, the main advantage is the flexibility and long-term action.The drug can be used for the destruction of a great many species of weeds, grass or bipartite as pre-emergence and by them.
What plants destroys
To remove any weeds mainly used this drug, you can see in the table.
| Dicotyledonous weeds | Monocotyledonous |
| Cornflower Blue | annual bluegrass |
| dymyanki medical | crabgrass Sanguineous |
| QuinoaWhite | barnyardgrass |
| purslane | Chaff hard |
| amaranth | Koster |
| Chamomile | Field foxtail |
|
sow thistle garden | |
| Solanaceae |
not too good this drug is suitable for the destruction of the black nightshade, creeping wheatgrass, field bindweed, cleavers and perennial grasses.
main advantages
The advantages of the use of funds "Zenkor Ultra" refers primarily what it is:
- can be used to protect against weeds of many crop species;
- often used as a basis for the preparation of tank mixtures in combination with other herbicides;
- is highly effective in the control of problematic weeds;
- has no negative impact on crop plants.
Using the drug "Zenkor Ultra" of weeds not have to make any special adjustments to the rotation.
Operating principle
soil treatment before emergence tool creates a protective film on the surface.In order to effect of the drug was effective in the future to the germination culture you should try this "screen" not destroy.
When processing means inhibits sprouting of transport of electrons involved in photosynthesis, which causes death of plants.This action has an active ingredient of the drug - metribuzin (C8H14N4OS).It relates to systemic pesticides.The same material is part of many other agents intended mainly for controlling monocotyledonous and dicotyledonous weeds.The duration of the effect of the action metribuzin due primarily to the fact that it is able to penetrate into the plants not only through the roots, but also through the leaves.However, the main effect it has is through the soil.Therefore, before or after the treatment it must be well hydrated.
It is advisable to use a herbicide "Zenkor Ultra" ask the weather for the week ahead.Small daily rainfall can greatly increase the effectiveness of the drug.Heavy rains often, on the contrary, reduce the percentage of weed control.The fact that in this case just the herbicide is washed out of the ground.
period of drug action
noticeable positive effect begins to appear about a week after the spraying area "Zenkor Ultra".During wet weather it can occur earlier in the dry - later.The term protective action means is about a month.When using the pre-emergence herbicide sensitive thereto weeds, as a rule, does not appear on the surface.
possible negative effect
no special negative effects on the use of crop cultivated plants of this drug have been reported.When tested in excess of the recommended dose observed only mild symptoms of phytotoxicity in the form of yellowing leaf tips.Particularly strong this effect was seen on sandy soils.
Contraindications
Thus, the drug is effective enough - "Zenkor Ultra".From weeds (instructions, opinions and standards will be reviewed in the article below) to use it, of course, costs.However, despite the relative harmlessness of this facility, yet it is not recommended to use it:
- for grain legumes with replanting;
- during germination of crops;
- the period of the return of frost;
- on sandy soils with humus content of less than 1%;
- on plantings of susceptible varieties and hybrids;
- at high temperatures (more than 25 gr.).
wary to use this drug should be on planting early varieties of potatoes.
How to apply
So, how to properly use the drug "Zenkor Ultra" of weeds?Instructions for use it very easy.Pre-leveled soil, breaking up lumps.The drug is diluted with water in the recommended amounts.Splashing his best with a special tool.It is important to achieve uniformity of application.The drug has to soak the ground at least two centimeters.
During the pre-emergence application rate of the drug selected, given the composition of the soil.For light use the minimum recommended dose for severe - the maximum.It provides the most effective action of the drug "Zenkor Ultra".Instructions for use, as you can see, describes a few simple steps, however, some of the rules in the processing area should still comply.For example, in rainy weather, the amount of drug necessary to reduce slightly.The optimum temperature of application is considered to be 10-20 grams.Treatment of seedlings it is best to spend 4 hours prior to the rain.
application rates of drug
As you can see, is not too difficult to clean the beds by using the "Zenkor Ultra" from weeds.Note, however, would not be complete without consumption norms.This herbicide sold in plastic bottles of 10 and 100 ml.Large farms buy it in cans at 1 or 5 liters.Standards of its application depend on this particular culture.Below is a table from which you can learn how much to use the drug for different plants.
| Culture | Norm (l / ha) | processing method |
| Tomatoes | 0.7 | When the 2-4 leaves |
| Potatoes | 0.75 | At a height of 5 cm shoots |
| Corn | 0.3-0.5 | In phase 3-5 leaves |
| Peas | 0.3-0.4 | Before sprouting |
| Cereal | 0.2-0.3 | spring - in the tillering phase in autumn - when a 2-4 sheets |
| Carrot | 0.2-0.3 | root the size of a pencil |
| Asparagus | 0.7-1 | before emergence |
course, in the gardencalculate the amount of the drug on the basis of its use in large areas, complicated.Experienced gardeners are advised to simply apply for the treatment of about 10 grams per one hundred square meters on ordinary soils, 5 grams - in the lungs, and 15 g - heavy.To prepare the solution per one hundred will be sufficient to 3 liters of water.
«Zenkor Ultra": reviews
Due to the fact that this drug is relatively safety, does not accumulate in the soil and does not harm the crop plants, gardeners feedback he earned very good.Praise gardeners not only its relatively high efficiency, and ease of use.It represents a tool small, easily soluble granules.Everything you need for cooking - it means to pour from a bottle in a bucket and mix thoroughly.
earned and another reason good preparation "Zenkor Ultra" reviews.Its advantages include the unconditional and not too expensive.Over a bottle of 10 ml have to pay around 100-130 rubles.Thus, treatment of the garden area of 6 acres will cost about 650-800 rubles.
compatibility means
not recommended to mix the drug "Zenkor Ultra" with other herbicides in dry form.In the solution it is usually added last.The product is compatible with most pesticides.However, when used by the absence of backlash should still carry.
Crop rotation
The following year, after applying the herbicide can be planted almost any culture.Decomposes the active ingredient of the drug - metribuzin - in the soil for 1-3 months.However, it is still recommended to be careful with sensitive plants to him: onions, cabbage, beets, sunflowers, peppers and pumpkin.
In dry conditions, there is also some risk of damage to crops.To reduce it before planting plowed soil to a depth of 20 cm.
As you can see, the drug "Zenkor Ultra 'instructions for use is in every detail has been considered in the article, is quite effective and safe.In addition, and it is very inexpensive.However, be careful in its application, particularly in relation to compliance with the flow should still be.It should also be remembered that the active ingredient means metribuzin, belongs to the third class of danger to humans and the fourth - for the bees.
