APPLICATION EFFECT OF THE ALKAMON OS-2, PS PREPARATION OF FUNGITOXIC ACTION ON BARLEY CROPS IN PREDUALYE
The ways of applying the new preparation of fungi-toxic action Alkamon OS-2, PS are described in the article. The possibility of using the above preparation as a means to protect the crops of barley from the development and spread of root rots has been studied. The effectiveness of the preparation under study has been assessed and the prospects of its application have been proved. It is shown that Alkamon OS-2, PS prevents the development of root rot throughout the whole season on a par with the Albit, TPS preparation, and in some cases, even better. The Alkamon OS-2, PS preparation demonstrates the biological effectiveness of up to 54% at different phases of barley development. Various combinations of methods of its application result in barley yield increase from 0.30 to 0.77 t/ha of grain, reaching the index of economic efficiency of about 23%.