To study the effect of different herbicides on productivity of timely sown wheat (Triticum aestivum L.)

Abstract

A field experiment was conducted at agronomy research farm of Acharya Narendra Deva University & technology, Kumarganj, Ayodhya (U.P.) during Rabi season (2021-22). The experiment was laid out in randomized block design with three replications. There were ten treatments i.e. [T1] Clodinafop @ 60 g a.i. ha-1, [T2] Sulfosulfuron @ 25 g a.i. ha-1, [T3 ] Metsulfuron @ 4 g a.i. ha-1, [T4] Carfentrazone ethyl @ 20 g a.i. ha-1 and tank mixture of [T5] Clodinafop + Metsulfuron @ (60+4) 64 g a.i. ha-1, [T6] Clodinafop + Carfentrazone @ (60+20) 80 g a.i. ha-1, [T7] Sulfosulfuron + Metsulfuron @ (30+2) 32 g a.i. ha-1, [T8] Sulfosulfuron + Carfentrazone (25+20) 45g a.i. ha-1, [T9] Weed free were evaluated against mixed weed flora in wheat except and [T10] Weedy check. The result revealed that all the growth parameters, yield attributes and yield of wheat is obtained significantly higher under [T9] weed free treatment but statistically at par with [T7] Sulfosulfuron + Metsulfuron @ (30+2) 32 g a.i. ha-1, [T5] Clodinafop + Metsulfuron @ (60+4) 64 g a.i. ha-1, [T6] Clodinafop + Carfentrazone (60+20) 80 g a.i. ha-1, [T8] Sulfosulfuron + Carfentrazone (25+20) 45g a.i. ha-1. The highest net return (81054.50 Rs. ha-1) and benefit cost ratio (2.04) was recorded under Sulfosulfuron + Metsulfuron @ (30+2) 32 g a.i. ha-1, It was close to Clodinafop + Metsulfuron @ (60+4) 64 g a.i. ha-1. Thus, it may be recommended for highest yield of wheat and net return.