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This study focused on verifying the fluctuating asymmetry hypothesis in the crustacean Talitrus saltator, which lives in sandy beaches. We analysed three populations, one from an unpolluted Tuscan beach relatively free of tourism, and two from Sicilian beaches, which have been increasingly used for tourism and have been exposed to hydrocarbon/pesticide pollution. Results confirmed the sexual dimorphism...
Studies on sensitivity of microorganisms colonizing the leaves of winter wheat cultivar Almari to Amistar 250SC, Bravo 500SC fungicides and Bion 50WG plant resistance stimulator were performed in 2000-01. The studied fungicides decreased growth of hyphae fungi colonizing the leaves of winter wheat cultivated in pots, especially 24 hours after treatment, compared to control. Created free ecological...
Amendment of potato-dextrose agar with grapefruit extract at dose 40μg/cm³ inhibited linear growth of Phytophthora cryptogea about 50%. At such concentration of the product in soil leachate formation of zoosporangia was inhibited about 95%. Application of grapefruit extract as peat drench reduced population density of the pathogen about 80% and this high activity was observed at least 30 days. The...
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