Which of the following pre-emergence herbicides is recommended for Maize?

Correct option is A

✅ (a) Atrazine: • Atrazine is the most widely recommended pre-emergence herbicide for maize. • It controls broadleaf and grassy weeds. • Applied just after sowing but before weed emergence. • Absorbed by roots and shoots of emerging weeds.
❌ (b) 2,4-D: • Used post-emergence for broadleaf weeds in cereals, not maize-specific.
❌ (c) Paraquat: • A non-selective contact herbicide, generally used for pre-plant burn-down.
❌ (d) Glyphosate: • Non-selective, post-emergence herbicide; not recommended for use in maize unless it is genetically modified (e.g., Bt maize).