Question

14. What are weeds? Define weedicides.


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Answer 1

R

Explanation:

Weeds are unwanted plants that grow along with the main crops which depend on the nutrients given to the main crops the weeds compete with crops for food and water thus reducing crop yield. Eg for weeds are xanthium and partheium weedicides are chemicals used to kill weeds so that they don't compete with main crops there are many types of weedicides that are biological and chemical eg for biological weedicides are cochlea insects eq for chemical weedicides are k24

Answer 2

Answer:

Weeds are unwanted plants growing among wanted crops and compete with crop plants for sunlight, nutrients, water etc. Weedicides are the chemicals which are sprayed over field to get rid of weeds. They will not show any effect on crop plants.

Hope it helps!!!