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EFFECT OF SOWING METHODS AND HERBICIDES ON WEEDS AND YEILD OF COTTON (GOSSYPIUM HIRSUTUM L.)

M. M. MAQBOOL., A. TANVEER , A. ALI AND R . AHMED*

Abstract: Effect of two sowing methods i.e., ridge and flat sowing and different herbicides viz., pendimethalin (Stomp 330E) @ 1.03 kg a.i.ha-¹, pendimethalin (Stomp 445SC) @ 0.89 & 1.11 kg a.i.ha-¹ and s-metolachlor (Dual gold 960EC) @ 1.92 & 2.40 kg a.i.ha-¹ on weeds and yield of seed cotton was studied under field conditions. All the herbicides significantly reduced the dry weight of weeds as compared to weedy check. Maximum reduction (76%) was observed in s-metolachlor @ 2.40 kg a.i.ha-¹. All the herbicides resulted in significantly maximum number of sympodial branches per plant than weedy check. Maximum number of mature bolls and seed cotton weight was recorded in s-metolachlor @ 1.92 kg a.i.ha-¹. Weedy check gave significantly minimum seed cotton yield of 547.39 kg ha-¹ compared with 1450.74 kg ha-¹ in s-metolachlor 1.92 kg a.i.ha-¹.

Department of Agronomy, University of Agriculture, Faisalabad, Pakistan.
Department of Crop Physiology, University of Agriculture, Faisalabad.