ORIGINAL ARTICLE
The effect of Trifender (Trichoderma asperellum) and the nematode-trapping fungus (Arthrobotrys oligospora Fresenius) on the number of the northern root-knot nematode (Meloidogyne hapla Chitwood) in green pepper
 
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Szent István University, Faculty of Agricultural and Environmental Sciences Institute of Plant Protection, H-2103 Gödöllő Páter K. u. 1., Hungary
CORRESPONDING AUTHOR
Tímea Bíró-Stingli
Szent István University, Faculty of Agricultural and Environmental Sciences Institute of Plant Protection, H-2103 Gödöllő Páter K. u. 1., Hungary
 
Journal of Plant Protection Research 2011;51(4):371–376
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ABSTRACT
The damage (irregular galls of different sizes on the plant roots) caused by root-knot nematodes (Meloidogynidae) is a general problem in greenhouses in Hungary. The effect of the microbiological plant protection product Trifender and the nematode-trapping fungus Arthrobotrys oligospora on the degree of damage caused by root-knot nematodes, has been investigated in greenhouse pepper. We set up our experiment in Pusztamonostor (Jászság region, Hungary) on a family farm, in 2008 and 2009. We carried out a preliminary evaluation (Zeck-scale; 0–10) in the pre-crop with symptomatic assessment. According to the preliminary evaluation, the infection in the case of Trifender showed rates of 2–3, and the A. olygospora showed rates of 3–4, on average. The results of 2008 show that Trifender had no effect on the number of females, but plant height increased by 12% and 15%, and yield grew by 25–35%. In 2009, the number of females decreased by 33%, and plant height increased by 11% and 18%. In 2008, in the case of A. oligospora, there was no effect on the number of females, but plant height increased by 6%. In 2009, the number of females decreased by 35%.
CONFLICT OF INTEREST
The authors have declared that no conflict of interests exist.
 
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