Mode of Action: Post Emergence Herbicide For Grassy Weeds
Ryusei a systemic herbicide of aryloxy phenoxy propionate group. It is recommended on Soyabean, Groundnut, Onion and Black gram for control of grassy weeds. It affected weeds are unable to regenerate. Ryusei is applied at 20 to 25 days after sowing and remain effective for longer period of killing all new germinated weeds.
Ryusei after application show the toxic symptoms in weeds within 5-8 days and then completely killed it in 10 to 15 days.
It is quickly absorbed by leaves within 1 to 4 hours hence the rain comes after above period does not affect its efficacy.
It is the best technical as a post emergent in soybean crop and no resistance is reported against it.
It should be used as per the recommended spray volume of 150 to 160 liters per acre the low water volume can develop resistance of weeds