TEBUCONAZOLE 060 FS (RAXIL 060 FS) - A NEW SEED DRESSING FUNGICIDE FORMULATION FOR THE CONTROL OF FLAG SMUT ANDLOOSE SMUT OF WHEAT

摘要

Flag smut of wheat caused by Urocystis tritici is an emerging disease of wheat in the Northern India. The disease is particularly serious in dry soil under restricted irrigation conditions causing economical losses in terms of grain yield. Loose smutcaused by Ustilago inula triticih an internally seed borne disease causing serious grain losses. For the management of these diseases, six fungicidal treatments were evaluated as seed treatment with field conditions at the Experimental Farm of CSKHPKV, HAREC, Dhaulakuan. Seed treatment of tebuconazole 060 FS @ 0.333 g/ kg seed resulted in cent percent control of flag and loose smut, and gave highest grain yield as compare to recommended fungicides carbendazim, vitavax and raxil 2 DS. Vitavax @ 2.5 g/kgseed also resulted in complete control of loose smut, however, it did not gave satisfactory control of flag smut. None of the tested fungicides showed phytotoxicity. Tebuconazole 060 FS could be recommended as a good substitute of carbendazim, vitavax and raxil 2 DS as it gave complete control of both flag smut and loose smut of wheat.