what is weed in agriculture

What do you mean by weed?

Definition of weed (Entry 1 of 3) 1a(1) : a plant that is not valued where it is growing and is usually of vigorous growth especially : one that tends to overgrow or choke out more desirable plants. (2) : a weedy growth of plants. b : an aquatic plant especially : seaweed. c(1) : tobacco products.

What is an example of weed?

A weed is a plant considered undesirable in a particular situation, “a plant in the wrong place”. Examples commonly are plants unwanted in human-controlled settings, such as farm fields, gardens, lawns, and parks.

What is meaning of weed in agriculture?

weed, general term for any plant growing where it is not wanted. Ever since humans first attempted the cultivation of plants, they have had to fight the invasion by weeds into areas chosen for crops.

What is the difference between a weed and a plant?

Some plants are considered to be “weedy plants” because they spread easily and grow without any purposeful cultivation, but they aren’t weeds. Only invasive plants are considered to be weeds. Plants that invade the habitats of other plants, causing damage and death, are considered to be weeds.

What makes a plant a weed?

What Makes A Plant A Weed? The definition of a weed is a plant growing where it is not wanted. It can also include plants that were not intentionally sown in a specific location or plants that are more competitive or interfere with the activity of people.

What kind of plant is weed?

cannabis, (genus Cannabis), genus of medicinal, recreational, and fibre plants belonging to the family Cannabaceae. By some classifications, the genus Cannabis comprises a single species, hemp (Cannabis sativa), a stout, aromatic, erect annual herb that originated in Central Asia and is now cultivated worldwide.

What is weed class 8?

The unwanted plants which grow along with a cultivated crop are called weed. The type of weed vary from field to field,crop to crop,season to season. For Ex:Wild oat,grass, Amaranthus, chenopodium etc. The process of removing weeds from a crop field is called weeding.

Is a weed a flower?

How are weeds different from the flowers that you plant in your garden? It’s a matter of perception. Weeds are just rapidly spreading plants that have sprouted in a place where they’re not wanted, and they are usually wildflowers.

Is weed a tree?

What Are Weed Trees? Weed trees are definitely trees, just to clear that up. They are a species of trees or varieties with high seed germination rates, which grow rapidly and colonize quickly. They tend to choke out other tree species which are slower growing if you’re not careful.

Is weed a crop?

Cannabis is one of humanity’s oldest cultivated crops. But despite its long history and many uses, hard facts on its evolution and impact on the human body are in short supply. By Julie Gould.

What is flower weed?

Flower, or bud, is the smokable, trichome-covered part of a female cannabis plant. Flower is the most popular form of cannabis due to its versatility since it can be consumed in a variety of ways, including smoked in a pipe or joint, vaporized in a vaporizer, or incorporated into edibles.

Is grass a weed?

Explanation: The categorisation of a plant as a weed has no botanical significance. A weed is basically any kind of plant growing where you do not want it. Important grain crops like wheat, barley or rye are grasses.