Evaluation of Amistar Xtra 280 SC (Azoxystrobin 18.2% + Cyproconazole 7.3%) against Yellow rust (Puccinia strifformis), Brown rust (P. triticina) and powdery mildew in wheat
2016
Parween, T. | Bhandari, Pinki | Bajya, D.R.
Amistar Xtra 280 SC @ 0.75, 1.00 and 1.25 ml L⁻¹ was highly effective in checking the rust and powdery mildew diseases compared to single product Azoxystrobin 23 SC (Amistar 25 SC) (1.00 ml L⁻¹), cyproconazole 10 SL @ 1.50 ml L⁻¹ and other standard check, propiconazole 25 EC (Tilt 25 EC) @ 1.00 ml L⁻¹ and triadimefon 25 WP (Bayleton 25 WP) @ 1.00 ml g⁻¹ L⁻¹. No significant differences in yield among AmistarXtra 280 SC @ 1.25ml/litre, 1.00 ml./litre, 0.75 ml/litre and Amistar 25 SC @ 1.00ml/litre was found, significantly lower yield was recorded in cyproconazole 10 SL @ 1.50 ml/litre and propiconazole 25 EC @ 1.00 ml/litre of water and triadimefon 25 WP @1.00 g/litre of water. Amistar Xtra 280 SC @ 0.75ml./litre and above doses is recommended for effective control of powdery mildew and rust diseases on wheat crop.
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