hello friends my topic for project is production of alcohol and poly alcohol from agricultural n industrail waste using yeast.so my first job is to isolate yeast from various source.well i started isolating yeast from various fruits by using gye agar.but the problems is that various other fungi except the yeast dominate the growth in plate.so what should i do to get specifically growth of yeast.any other media u can suggest.i take glucose conc 20% while usin gye.thank u