Carrots are among the top ten vegetable crops in world, with an annual world production of about 428 million tonnes grown on 11.5 hectares. The investment per unit area is not high and good cultivation techniques yields up to 50 t/ha can be achieved, together major economic benefits from winter cultivation. During growing season, carrots susceptible numerous pests. most important carrot root fl...

Bu çalışma 2018-2019 Nisan-Kasım aylarında Burdur İli merkezinde 16 kent parkındaki 34 ağaç ve çalı üzerindeki yaprak bitlerini belirlemek amacıyla yapılmıştır. Araştırmada, Aphididae familyasından 23 cinse ait 48 tür belirlenmiştir. En fazla popülasyona sahip olan türler Aphis craccivora Koch, 1854, Cinara (Cupressobium) tujafilina (Del Guercio, 1909) Macrosiphum rosae (L., 1758) olmuştur. ber...

UV-C irradiation is known to enhance plant resistance against insect pests. In the present study, we evaluated effects of low doses on Macrosiphum rosae infesting greenhouse rose (Rosa x hybrida) plants. The application 2.5-kJ/m2 leaves before infestation induced anti-herbivore and negatively affected aphid fecundity. No eggs first instar nymphs were recorded irradiated leaves, whereas an avera...

Abstract Many studies in the last decades addressed antifeedant and repellent effects of neem ( Azadirachta indica )-based pesticides on arthropod herbivores with azadirachtin as leading active ingredient. However, results for aphids regarding repellence feeding were often contradictory mainly based laboratory self-made extracts high concentrations. Moreover, no data are available presence phlo...