S. Masheva, N. Velkov, N. Valchev, V. Yankova Abstract. Screening of plant protection products (PPP) against downy mildew in cucumbers Pseudoperonospora cubensis (Berkeley & M. A. Curtis) Rostovzev was carried out during the period 2006-2011 in the “Maritsa” Vegetable Crops Resear

S. Masheva, V. Yankova, G. Toskov Abstract. During the period 2009-2010 in the Maritsa Vegetable Crops Research Institute, Plovdiv in pot experiments screening was conducted for biofumigation activity of five plant species (chrysanthemum, broccoli, tagetes, basil and marigolds in the