Rice is among the most important cereals in the world, it is life for thousands of millions of people and it is deeply embedded in the cultural heritage of their societies. Brown spot - caused by Bipolaris oryzae - is one of the important rice diseases in the world. Widespread, reported in all rice growing countries of Asia, America and Africa. It can be a serious disease causing a considerable yield loss. Chemical control may be available to reduce the effects of brown spot disease on young plants... Mehr