Question

Commercial use of plant hormones - Hormonal weedkillers

Accepted Answer

weeds intefere with crops by competition for space, water, minerals and light
main foods are narrow-leaved monocot plants, main weeds broad-leaved dicots, so if synthetic dicot auxins applied as weedkiller, absorbed by broad-leaved plants and affect metabolism so that growth rate inc unsustainably till they die, while narrow-leaved plants unaffected
cheap and has low toxicity to animals

Front	Commercial use of plant hormones - Hormonal weedkillers
Back	weeds intefere with crops by competition for space, water, minerals and light main foods are narrow-leaved monocot plants, main weeds broad-leaved dicots, so if synthetic dicot auxins applied as weedkiller, absorbed by broad-leaved plants and affect metabolism so that growth rate inc unsustainably till they die, while narrow-leaved plants unaffected cheap and has low toxicity to animals

Weeds Main Narrow Leaved Broad Leaved Plants Commercial Hormones Hormonal