Effect of Trifender (Trichoderma asperellum) on the number of root-knot nematode ( Meloidogyne hapla Chitwood)

Bíró, T. and Tóth, F. (2009) Effect of Trifender (Trichoderma asperellum) on the number of root-knot nematode ( Meloidogyne hapla Chitwood). Acta Phytopathologica et Entomologica Hungarica, 44 (2). pp. 363-371. ISSN 0238-1249

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Abstract

The damage caused by root-knot nematodes (Meloidogynidae) (irregular galls of different sizes on the plant roots) is a general problem in greenhouses in Hungary.The effect of Trifender microbiological preparation has been investigated on the degree of damage caused by root-knot nematodes in green-house pepper. We set up our experiment in Pusztamonostor (Jászság region, Hungary) in a family farm in 2008 and 2009. We carried out preliminary evaluation (Zeck-scale; 0–10) in the precrop with symptomatic assessment. According to the preliminary evaluation, the infection showed rates of 2–3 on the average.The results of 2008 show that Trifender had no effect on the number of females, but the plant height has been increased by 12 and 15%, and yield has grown by 25–35%. But on the contrary, in 2009 the number of females was decreased by 33%, and plant height was increased by 11%.

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