Question

Define weed and weedicides.

Answer 1

Weeds:

1. The undesirable plants that grow along with the crops are called weeds.
2. These weeds, feed on the nutrients provided to the crops and thus reduce the supply of nutrients to the crops, thereby, hindering their growth.
3. The growth of these weeds needs to be limited in order to enhance the growth of the plants.
4. Weed causes economic losses or ecological damages or creates health problems for animals or humans.

Examples:- Chenopodium

Weedicides:-

1. Weedicides are the chemicals which are sprinkled over fields to get rid of weeds.
2. Weeding is the process of removing weeds.
3. Examples:- Two popularly used weedicides are 2,4-D Ethyl ester, Neem extract, Glyphosate etc.