What are selective herbicides?

Selective herbicides are weed kilometers that attack specific plants or types of plants, leaving the desired plants unharmed. Non -selective herbicides usually kill all the life of plants that come into contact, while selective herbicide can be used in mixed growth areas where the desired plants such as cereals grow in the same area as weeds that are designed to kill. When it comes to use, selective herbicides are often used in gardens, lawns and crops. The non -selective herbicide is more likely to be used to clean up areas of waste space or places such as railways from all vegetation.

Herbicide selectivity often depends on the use of the right dose and application. Many types of selective herbicides are selective because they can kill target weeds at a lower concentration than the required plant type or crop plant. If such a selective herbicide is applied at a stronger concentrationBefore recommended, both weeds of crop plants can be killed or at least damaged.

Some of the most common herbicides in this category are those that kill plants with wide leaves, while the species of grass are unharmed. These species of selective herbicides are extremely important in growing crops and are also used to maintain lawns and lawn. A widely used example of this type of herbicide is 2.4-dichlorfenoxyactic acid (2.4-D). Together it has been used since the 1840s of the 20th century and is still important in agriculture. While 2.4-D has good selectivity, crop plants can still be damaged if too much chemicals are used.

Selective herbicides of grass are a type of selective herbicide that kills grass but allows continuing growth of plant plants. One example is Fluazifop. These types of herbicides are important for growing broadband PLOdin, such as peas and soybeans, and to check the Grarost SS in orchards and vineyards.

Selective herbicides have a number of different methods of killing plants and the toxicity mechanism is directly related to how selective it is. Herbicides containing an substance called accas inhibitors, for example, kill the species of grass because they prevent fat formation in these plants. Inhibitors specifically focus on enzymes used species of grass for fat production and thus also cell growth. Plants with wide leaves use different enzymes to produce fat, and therefore these herbicides are not injured. Other types of selective herbicides mimic certain plant hormones and are therefore selective in influencing only plant types that are sensitive to these hormone species.