Herbicides are chemicals used to kill weeds. Some chemicals operate extensively and kill all vegetation. Others are selective (selective) and fight only with certain plant species, without damaging the rest. To the second group belongs "Singer".
Composition and preparative form
"Singer" - a herbicide intended for the destruction of annual and perennial dicotyledonous weeds. This tool is processed shoots of flax and grain crops. It is used to clean unwanted plants from non-agricultural areas, for example, along the oil, gas pipeline and highway. The active ingredient in the "Singer" - metsulfuron-methyl (600 g / kg). This is a herbicide with a wide range of applications.
Attention should be paid to such well-known herbicides as "Prima", "Lontrel-300", "Ground", "Dual Gold", "Zencor", "Stomp", "Pivot" and "Fabian".
It is recommended to apply it to sprinkling wheat before and after germination, and barley, oats, rye and flax - after the emergence of the seedlings. Preparative form: wettable powder, which, in addition to the active component, contains fillers and surfactants. When dissolved in water, the powder becomes a stable suspension. In this form, the agent adheres well to the plants and lasts longer than other preparations, therefore it acts effectively and is not wasted.
Did you know? Ants, inhabitants of the Amazon forest, use their formic acid as a herbicide, and selectively. They inject it into young shoots of all kinds, except one, thus killing them. This is how the Devil's Gardens appeared, in which nothing grows except for one type of tree.
Benefits
Due to the active substance, as well as its preparative form, "Singer" has a number of positive points:
- extensive exposure: suppresses most annual and many perennial dicotyledonous weeds;
- economical;
- material resources are saved when pollinating large cultivated areas;
- flexible terms of application;
- means is conveniently packaged in water-soluble bags: they do not need to be opened, but rather put in water;
- effectively acts on weeds, regardless of the weather;
- almost harmless to animals and bees: moderately toxic.
Did you know? Herbicides found active use for military purposes of the last century. The army of Great Britain applied them during the war in Malaya, and the USA - in the Vietnam war.
Operating principle
The chemical first gets on the roots and leaves of the grass, seeps inside and systemically moves through it, affecting the enzyme acetolactate synthase. Such an intervention disrupts the connection of amino acids. As a result, the cells stop dividing, the grass stops growing and dies. The effect of the poison can be seen from chlorotic stains and the death of growth points. These are clear signs that the weed will soon disappear.
Important! Some plants show resistance to metsulfuron-methyl. To prevent this from happening, experts recommend alternating herbicides from different chemical groups..
Crop rotation restrictions
When reseeding the pickled areas, care must be taken, since not all cultures can be sown immediately. After the grain and flax, you can plant spring cereals. Beets and other vegetables should not be planted in this field, even next season. Sunflower and buckwheat should be sown only after deep plowing. But they are also undesirable to plant, if, after pollination, the herbicide was a prolonged drought and if the pH of the soil is higher than 7.5.
Method and time of application, consumption
The working fluid is prepared not in advance, but before spraying: dilute 1 sachet (25 g) with 1 liter of water with the casing until completely dissolved (for airborne operations - 50 g per liter of water). Herbicide "Singer" will save the field from weeds, only if you exactly follow the instructions for its use:
- Spring crops are sprinkled at the early stage of growth of one-year dicotyledonous grass (2-4 leaves) and perennial dicotyledon at the rosette stage (in cereals - from the phase of 2 leaves until tillering). Working fluid consumption: 200-300 l / ha by land method and 25-50 l / ha - by aviation;
- winter crops are sprinkled in the spring at the early stage of growth of annual weeds (2-4 leaves) and perennial - in the rosette phase (for crops - the tillering period). Consumption: 200-300 l / ha and 25-50 l / ha;
- Spring and winter cereals are sprayed at the beginning of weed growth (for crops, the tillering stage, for winter crops, in spring) together with 2,4-D, 0.35 kg / ha. Consumption: 200-300 l / ha;
- flax-dolgun receive a portion of "Singer" at the stage of "Christmas tree", the height of flax - 3-10 cm. Consumption: 200-300 l / ha and 25-50 l / ha. At this stage, the possible connection of "Singer" and MCPA - 150 g / ha. Consumption: 200-300 l / ha.
The tool effectively acts independently. But you can mix with other chemicals, for example, MCPA and 2,4-D.
Important! You should not use a herbicide if crops are subject to adverse weather conditions, such as frost or drought.
Impact speed
- 4 hours after spraying, the active substance is completely absorbed by the weeds.
- Within 24 hours they stop growing.
- After 3–10 days, signs of dying become apparent.
- On the 20-30th day the plant perishes completely: it depends on its development, its sensitivity and weather. Unfavorable weather slows down the effect of the drug.
Period of protective action
If conditions are favorable, the protective effect of the chemical continues throughout the growing season.
Security measures
Herbicide "Singer" does not pose a special danger to people, if not deviate from the accepted norms of application. It is also almost not dangerous for bees. But you should follow the instructions for the prevention of pesticide poisoning of bees. Sprinkle crops early in the day or after sunset. When ground spraying and winds up to 4-5 m / s:
- limited area for bees not less than 2-3 km;
- Fly bees need to be limited to 8-9 hours.
- the area for bees is not less than 5-6 km;
- reducing the time of flight of bees to 8-9 hours.
- Bee holders need to be notified 4-5 days before starting work with a chemical.
Important! In private households it is forbidden to use the drug.
Shelf life and storage conditions
The Singer herbicide is a toxic substance of the third class of danger. When transporting it is necessary to adhere to all the rules for the movement of toxic substances. Keep only in designated areas. Storage temperature - from -15 to +40 ° C. The package contains water-soluble sachets of 25 g and 50 g of powder. Do not open the bags. Shelf life - 2 years. In agriculture, herbicides are indispensable, especially they are needed for growing crops: spring and winter wheat, spring and winter barley, and others. "Singer" copes with this task.
