A nice, well-manicured lawn or garden can be a centerpiece for any home during the spring and summer months. Unfortunately, weeds can taint lawns and gardens to the point they become eyesores.
Fortunately, post-emergent weed applications can be of assistance in helping a gardener and/or homeowner win the battle against pesky weeds.
What Is the Definition of Post-Emergent?
When describing weed killers, post-emergent references the herbicide's ability to eliminate weeds after they have already formed and are visible on lawns or inside gardens. These chemicals differ from pre-emergent weed eradicating applications, which are employed to kill weeds before they grow. Post-emergent preparations not only eradicate existing weeds, but may be of use in preventing future weed growth.
How Do Post-Emergent Weed Killers Work?
These herbicides eliminate weeds in one of two ways. Some possess the ability to attack the offending weed directly, while others morph into a particular plant's root and attack it from the ground up.
What Are the Different Types Of Post-Emergent Weed Killers?
These substances are broken down into two major categories:
o Systemic Herbicides
o Contact Herbicides
Systemic herbicides penetrate a weed and eradicate it by destroying it in its entirety. Contact Herbicides are often potent enough to kill a weed on contact.
Post-emergent weed applications may also be labeled as selective and non-selective:
Selective herbicides are typically used to eliminate specific weeds collecting on smaller, grassy areas. Non-selective weed preparations are often successful in eradicating most weeds and employed in larger areas, such as fields.
Types of Weeds Post-Emergent Weed Applications Eliminate
Post-emergent chemical preparations are effective in killing perennial weeds, including Quackgrass, Bindweed, Nutsedge and Thistle. They will also kill annual, leaf-shaped plants which do not have the appearance of grass and weeds like Crabgrass, which does resemble grass.
How to Properly Utilize Post-Emergent Weed Preparations
Post-emergent herbicides must be employed with caution, as well as under the most optimal conditions. Once the particular weed(s) is/are identified and the appropriate weed killer has been obtained, one must carefully determine how quickly and often the chemicals should be applied.
In addition, it is important to ensure proper safeguards are taken to ensure surrounding grass, flowers or useable plants do not come into contact with any anti-weed application.
It is suggested the chemicals be placed on a dry, windless day with outside temperatures not exceeding 80 degrees Fahrenheit. The application will need time to settle onto its intended target. The specific length of time required varies depending upon the chemical being used, as well as the specific weed in question.
It is important to follow the instructions provided by the application's manufacturer. Last, but of great significance are the safety precautions one spraying weed killers should adhere to:
Post-emergent weed applications are poisonous substances that could cause respiratory problems and skin irritation if inhaled or make contact with one's skin. Individuals engaging in lawn or garden weed eradication measures should cover their mouths and wear clothing that covers their skin.
Where Can Post-Emergent Weed Applications Be Obtained?
Weed killing chemicals can be purchased at most lawn and gardening centers, or at many home improvement stores.
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