STUDIES ON THE EFFICACY OF SOME FUNGI AND BIOPREPARATIONS FOR CONTROL OF Meloidogyne incognita | Изследване ефикасността на някои гъби и биопрепарати за борба срещу галовата нематода Meloidogyne incognita
2014
Trifonova, Z., N. Pushkarov Institute of Soil Science, Sofia (Bulgaria)
A glasshouse trial was conducted to ascertain the effects of fungi, plant and bacterial products against Meloidogyne incognita. All the tested formulations suppressed nematode multiplication and root galling significantly. The nematicide had the most suppressive effect on gall formation. The smallest galling index, number of galls and nematode population were in soils treated with oxamyl followed by neem-Azal – 0.3%, neem-oil – 0.3%, Fusarium spp., Trichoderma spp. and Treisr – 480 EC Saccharopolyspora spinosa. The best control was provided by application of the neem products – neem-Azal 0.3% Azadirachta indica A. Juss., and neem-oil – 0.3%. They were highly effective in reducing disease incidence. The nematode density was decreased from 32.0% to 60.0%. The percentage of infected females was from 10.3% to 22.3%. The plant growth for the treated plants enhanced as compared with that of inoculated with M. incognita.
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