Project Description
Main Specification: mesotrione
95%TC,97%TC,
15%SC
Mesotrione Biochemistry
p-Hydroxyphenyl pyruvate dioxygenase inhibitor, which ultimately affects carotenoid biosynthesis. Selectivity in maize derives from
differential metabolism.
Mesotrione Mode of action
p-Hydroxyphenyl pyruvate dioxygenase inhibitor, which ultimately affects carotenoid biosynthesis. Selectivity in maize derives from
differential metabolism (to the 4-hydroxy derivative) and also possibly from slower foliar uptake. Uptake is foliar and via the root,
with both acropetal and basipetal translocation. Symptoms are whitening of leaves, followed by necrosis of the meristematic tissue.
Mesotrione Applications
Mesotrione will be applied pre- and post-emergence through ground or aerial application equipment. Mesotrione has herbicidal activity against broadleaf weeds. It’s efficacy is
the result of the inhibition of the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD) enzyme in target plants. Following treatment, in sensitive plants carotenoid biosynthesis
is disrupted in the chlorophyll pathway,resulting in a bleaching effect.
Mesotrione directions for use
Under development for pre- (at 100-225 g/ha) and post- (at 70-150 g/ha) emergence control of broad leaved weeds, such as Xanthium strumarium,Ambrosia trifida,
Abutilon theophrasti, and Chenopodium, Amaranthus and Polygonum spp., and some grass weeds, in maize.