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Herbicides and Their Selectivity
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Glyphosate
Non-selective systemic herbicide that inhibits aromatic amino acid biosynthesis (EPSP synthase).
2,4-Dichlorophenoxyacetic acid (2,4-D)
Selective post-emergence herbicide that mimics natural plant hormones (auxins) and disrupts growth processes.
Atrazine
Selective systemic herbicide that inhibits photosynthesis by binding to the Qb protein in the photosystem II.
Dicamba
Selective post-emergence herbicide that mimics natural plant hormones (auxins) similar to 2,4-D and affects growth.
Pendimethalin
Selective pre-emergence herbicide that inhibits cell division and cell elongation by disrupting microtubule assembly.
S-Metolachlor
Selective pre-emergence herbicide that inhibits the elongation of the plant's shoot and root at the growth meristem.
Imazethapyr
Selective post-emergence herbicide that inhibits branched-chain amino acid synthesis, leading to disruption of DNA synthesis.
Glufosinate
Non-selective contact herbicide that inhibits glutamine synthetase leading to ammonia accumulation and plant death.
Flumioxazin
Selective pre-emergence herbicide that leads to the formation of reactive oxygen species, destroying cell membranes.
Mesotrione
Selective systemic herbicide that inhibits 4-hydroxyphenylpyruvate dioxygenase (HPPD), affecting carotenoid biosynthesis.
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