Comparative Performance of Herbicides for Grassy Weed Management in Winter Wheat (Triticum aestivium L.) under Egyptian Conditions

Document Type : Original Article

Authors

1 7 El-Gammaa St.,Faculty of Agriculture, Cairo university, Egypt

2 Department of Agronomy, Faculty of Agriculture, Cairo University

Abstract

EGYPT, Is considered as one of the bigger country importing for grain wheat. As, weeds cause many problems in agriculture reducing grain yield, the grass weeds are the most weed issue. Hence we tested some herbicides in wheat viz Clodinafop-Propargyl (WP 15%) at 0.050 kg a.i ha-1, Pinoxaden (OD 10%) 0.06kg a.i. ha_1 , Pinoxaden (EC 0.06 %) 0.078kg a.i. ha_1 and newly Tralkoxydim at 0.12kg a.i. ha-1, during two successive seasons 2020 and 2021 applied at 2-3leaf stage before tillering stage. The dominant grasses were (Wild oat) Avena fatua, (Ryegrass) lolium temulentum and (Canary grass) phalaris minor. The results showed increased grain yield by all herbicides applications over weedy check, Tralkoxydim (EC 10% a.i.) 8.53 t ha-1 and Pinoxaden (EC 6 % a.i.) 8.31t ha-1 and Pinoxaden (OD 10% a.i.) 8.14t ha-1 were superior. The maximum grain index (1000-grain weight) was in Clodinafop-propargyl WP 15% at 0.050 during both seasons (42.4g and 40.8g), respectively. Herbicides were effective for weed control parameters, weed population/m2, fresh weights and dry weights g/m2.

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