Herbicides - Controlling Weeds and Unwanted Plants with a Pesticide
By Marie Iannotti, About.com Guide
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Liquid Herbicides
Two of the most readily available devices for applying small amounts of liquid herbicides are the hand sprayer and the hose end sprayer. To accurately apply herbicides the size of the area must be determined.
Herbicide Uses and Abuses
James R. Feucht Extension Landscape Plants Specialist Colorado State University Cooperative Extension
This is the time of year when weeds become a big problem in vegetable gardens, shrub borders and lawns.
Preemergent herbicides kill very young weed seedlings but not seeds, so they must be "in place" prior to weed seed germination to be effective.
Remember, all herbicides are powerful chemicals, so always wear protective gear when mixing, applying and cleaning up - that includes gloves, eye protection and a respirator mask.
Make a Weed Dabber Tool for treating weeds with herbicide...
Start by going to your hardware store and buying a piece of 1- 1/2" PVC pipe. You only need a piece 30" long, but they might make you buy a 10' section. It's pretty cheap though.
Manmade herbicides are systemic. They invade the organism and kill it at the roots, potentially leeching chemicals into the soil and groundwater. Spray off center, and you may create collateral damage.
Definition of non-selective herbicide
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Herbicides
Herbicides are an effective means of controlling weeds but should be used with caution, because they kill flowers as well as weeds.
Herbicides
Herbicides, or weed killers, can kill the weeds in your lawn over time. Identify the type of weed that you have and choose an herbicide that's formulated specifically to kill your weed.
Herbicide: A chemical used to kill weeds.
Honeydew: The sticky secretion from aphids, etc.
Humus: The beneficial decayed vegetable matter that helps to form soil.
Herbicide - A chemical that kills or retards plant growth. Herbicides may kill the entire plant; or they may kill only the aboveground plant parts, leaving the roots alive.
Internode - The section of stem between two nodes.
Herbicide, Preemergent - A weed or grass killer that kills seeds before they begin to grow.
Herbicides-Chemicals used to kill or control weeds.
High-yield crops-Fruits and vegetables that bring a high profit when taken to market; ...
herbicide. A pesticide used to control weeds.
hibernaculum (plural: hibernacula). A shelter occupied during the winter by an insect, notably peach twig borer.
Herbicide A chemical used to kill specific plants or all plants in its path.
High centered Having petals taller or more pointed than outer petals.
Hip Fruit of a rose.
HERBICIDE - As much as I hate the use of this word and anything connected to it, it is any chemical that will kill a plant. There are both selective and non-selective herbicides.
herbicide A chemical used to kill undesireable plants.
heterotrophic nutrition A form of nutrition in which the organism depends on organic matter for food, such as humans.
Natural Herbicides. This is the time when the natural inclination is to spray something, and for those of you in this situation, I do have a suggestion: Safer's SuperFast. It's made from soap and is considered a least toxic pest control product.
Herbicides are toxic to most mammals (that means you, me, your dog, and your kids) as well as to the beneficial insects that you want to encourage in your garden to keep away harmful pests.
Herbicide is the most effective method of control but it's too expensive and damaging to the environment so two biological control methods are being used.
herbicideA substance that is fatal to plants, or to selected plants.
medicinal herbAny herb which is used as a curative or preventative.
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Herbicides are another option. Glyphosate (Roundup) and triclopyr (Brush-Be-Gone) are available for home use.
HERBICIDE: An agent that stops plant growth or kills a plant.
HIGH SHADE: Always a difficult gauge but generally it is the shade beneath trees that have been "limbed up" or pruned to get some light in.
Herbicides. Do not use herbicides in your home orchard unless you fully understand all aspects of safe handling and application.
Herbicide residues in clippings may injure mulched plants. Use clippings from non-treated lawns or wait three mowings before using clippings.
Pine Needles ...
No herbicides or pesticides are used on the garden, which was planted in early 1995. "We use no sprays or growth enhancers," says Nagata, who reports that the garden is nourished with mushroom manure and red worm compost.
Most herbicides will kill off the plant, but new ones emerge from the root system.
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Buy Flower, Vegetable and Herb Seeds Finest quality Ferry Morse Seed, America's oldest seed company with their famous "guarantee to grow".
Some herbicides are selective to certain types of plants. For example, fusillade, found in Grass-B-GoneŽ and similar formulas are formulated to control grasses around many ornamental plants.
To apply herbicides in tight spots, don't spray at all - apply directly to the leaves of the weeds with an old paint brush instead. This is an easy way to have total control.
Spraying herbicides on seedlings that could be hoed or pulled is probably overkill. On the flipside, once a perennial weed becomes established, cutting off the top or pulling at it might not be enough. Many have deep or extensive root systems.
* Broadleaf herbicides work but will kill any neighboring plants. Usually poison ivy is intertwined among plants that you want to keep, including trees.
Pre-emergent herbicides are designed to keep weed seeds from germinating and growing. These chemicals only work if used exactly as directed, so read the label.
Preemergence herbicide for control of grasses and broadleaf weeds in vegetables, trees, shrubs, flowers, roses and groundcovers
Up to 3 months control
Apply to the soil surface and water in ...
Pre-emergent herbicides, or weed preventers, control crabgrass and other weeds by stopping their seeds from germinating. An application early in the growing season works wonders; it's like vaccinating your lawn against weeds.
Pesticides and herbicides are a concern, degradability ranges from one to twelve months.
The recommended herbicides are broad-spectrum, nonpersistent ones, such as glyphosate (Roundup or Ranger). Follow label instructions. It usually takes two to three weeks for all vegetation to die.
4. Assess the soil fertility.
Apply preemergent herbicides between the middle of March and the middle of April to control crabgrass.
Use a broadcast herbicide. Scotts Turf Builder is one recommendation.
Pull weeds by hand. This is the organic approach to care if you don't want to use chemicals on your lawn.
"We don't use any herbicides or motorized tools to weed and maintain the gardens.
Additionally, most herbicides are not recommended for use on vegetables or other edible plants, though some may be labeled for use on selected vegetable crops. Other types may simply be safely used for specific ornamental plantings.
Vinegar is a great herbicide. Fill a spray bottle with vinegar - white is best since it won't stain, you certainly don't want to use expensive, aged Balsamic vinegar on weeds - and spray the vinegar on your unwelcome flora on your porch, ...
Use a non-selective herbicide containing glyphosate. As mentioned above, protect the plants you want to keep when you go out to spray.
Dig it out. It's work, but it's chemical-free, and you can patch your remaining lawn with what you take out.
You can also consider applying an herbicide, such as Roundup. Once the grass and weeds are gone, till the area to a shallow depth of 1-2 inches.
Eliminating annual weeds. Do not plant wildflower seeds immediately after preparing the soil.
Avoid all weed killers (herbicides) because most can also lessen the vigor of grass roots, the last thing you want to do prior to or during a drought.
Look for alternatives to slug pellets and pesticides or reduce the use of herbicides, fungicides and insecticides - use organic methods of control. Many insecticides kill beneficial species as well as harmful ones.
If you feel that it is necessary to use herbicides and weed killers in your garden, please consult an expert source on their proper use, such as Ortho.
Before you purchase a pesticide or herbicide, read the label carefully.
The situation gets worse with the widely popular "weed and feed" products that combine a synthetic lawn fertilizer and herbicide in the same bag.
undesirable to use herbicides, so weeding must be by hand. As the majority of the
herbs commonly grown come from warm climates and demand well-drained soil
conditions, mulching in the usual way with well-rotted garden compost or peat to ...
Using herbicides is not a good option. They all have drawbacks. Read the label if you do use these as some of them are really nasty. Cultivate around your plants enough to get the weed but not deep enough to hurt your plants roots.
Next, as another preventative measure, use pre-emergent herbicides. Pre-emergent just means "kill it before it starts growing". Even in warmer climates, pre-emergents are beneficial.
Risks of pesticides/herbicides
Healthy soil is thriving with microbiotic life that maintains the proper balance of nutrients naturally. Frequent use of herbicides and pesticides kill these organisms, ultimately throwing the soil out of balance.
Although, I try not to use chemicals, I have tried a pre-emergent herbicide that is incorporated into the soil as this will thwart seed germination and contribute a little fertilizer to existing plants.
Leaf chlorosis, or yellowing of foliage, with cupping and curling, is a common symptom of herbicide injury in plants. Leaf stems may twist or spiral. Foliar spotting may be a result of herbicide spray drift.
One way is to apply an herbicide to kill the grass but if you do this, you'll have to wait a year to plant. Another, more environmentally friendly method is to cover up the garden plot to kill the grass by blocking light.
Dried grass clippings free of herbicides work great and it is usually available. Clean straw is also very good. You will get a few grassly looking oat plants sprouting but these are easy to pull. A dried grass/straw mix is Larry's favorite mulch.
Unfortunately, the most common gardening done today uses chemical fertilizers, herbicides, and pesticides. These chemicals over the long run destroy helpful soil organisms and throw flowers and other plants out of their natural balance.
It is estimated that 70% of the current genetically modified (GM) harvest is made up of herbicide-resistant crops (HRCs) designed to tolerate high levels of exposure to broad-spectrum herbicides, ...
Some lawn fertilizers also contain herbicides to control weeds making them convenient, if more expensive. It is common to fertilize in the spring when the grass starts growing and about every two months afterwards.
 See also: Plant, Herbicides, Water, Soil, Grass
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