selective herbicides
What selective herbicides means in Biology GCSE, as defined for OCR.
Definition of selective herbicides
Check what you remember
Read the wording for your board, then hide it and explain selective herbicides in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Synthetic auxins formulated to make broad-leaved weeds absorb higher quantities than narrow-leaved cereal crops, inducing uncontrolled rapid growth that exhausts the weeds and causes death without harming food crops.
Topics that use selective herbicides
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Using selective herbicides in the exam
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