Weed: Any plant growing out of its proper place or where it is not wanted/ desired is called as a weed or weeds are the plants out of place in cultivated fields, lawns or orchards etc.
Harmful effects of weeds:
- Weeds reduce the economic yield by competing with main crop for water, nutrition, light, space and air.
- Weeds create difficulty while carrying out cultural practices in the field like hoeing, irrigation and harvesting.
- Several weeds act as alternate hosts to many serious pests/ diseases. They may harvour insects-pests and act as secondary hosts for spread of several diseases.
- Some weeds are injurious to animal and human health.
- For example, Parthenium and Datura seeds are poisonous in nature and may cause allergy to human beings.
Names of weeds:
| Common name |
Botanical name |
Common name |
Botanical name |
| Wild senji |
Melilotus parviflora |
Wild palak |
Rumex dentatus |
| Maina |
Medicago denticulaia |
Amarbel |
Cuscuta sp. |
| Bathu |
Chenopodium album |
Kahi |
Saccharum spontaneum |
| Chulai |
Amaranthus virdis |
Bhang |
Cannabis sativa |
| Bhakhra |
Tribulus terristris |
Khabbal grass |
Cynodon dactylon |
| Puthkanda |
Achyranthus aspera |
Baru grass· |
Sorghum halepense |
| Dib (Dab) |
Typha latijoiia |
Motha |
Cyperus rotundus |
| Bhoorni aonla |
Phyllanthus niguri |
Parthenium or |
Parthenium hyterophorus |
| Kana |
Saccharum munja |
Lantana |
Lantana camara |
| Dhatoora |
Datura stramonium |
Jangli gobhi |
Launea nudicaulis |
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Jangli gajjar |
Daucus carota |
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Khat yay |
Portulaca sp. |
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