yellow rust or stripe rust in particular continues to be a serious disease affecting wheat which leads to drastic yield loss my question is "Are generic fungicides as effective as the more expensive products".
Generic fungicides are less effective as the more expensive products available in the market.Hence, there is change over of these products from one generation to another.
@ Yehya A. Salih Sir Thanks for your suggestions, what is the level of Fungicidal activity of Trichoderma harzianum against yellow rust of wheat when comparing with generic or Expensive and branded fungicide? Can we applied this T. Harzianum as foliar fungicide?