Chemical herb:
Chemical herbicides are insecticides used to kill unwanted plants called weeds and most of them are herbicides in the desired crop. Herbicides work or kill weeds by causing plant growth, inhibiting or inhibiting regular plant growth. The amino acid and protein synthesis of the herb or weed is disturbed and will eventually be killed.Herbicides can be classified as pre-emergent or post-emergent herbicides depending on the time of application. They are classified on the basis of selectivity and are selective or non-selective herbicides.
Mode of action of herbicides on herbs or weeds
1. lipid biosynthesis
2. amino acid biosynthesis
3. plant growth regulator
4. photosynthesis inhibitor
5. Nitrogen metabolism inhibitor
6. pigment blocker
7. cell membrane disruption
8. seedling - growth inhibitor
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