Özet:

This study was conducted to evaluate some effects of hazelnut dried husk extract and husk compost on nematode infection and some plant parameters of tomato inoculated by mixed root-knot nematodes populations of Meloidogyne hapla and M. arenaria in pot experiment. The dried hazelnut husk obtained from after harvest were used. For both husk extract and husk compost treatment, 50 grams of hazelnut husk was used. Approximately 1000 second stage juveniles (J2) was inoculated to susceptible tomato cultivar (Solanum lycopersicum cv. Rio Grande). At the end of 8 weeks, the gall numbers on the root, number of the juveniles in the pot, plant fresh root weight and total plant fresh weight were measured. As result, the husk compost treated plants had lower gall on the root system and juvenile numbers in the pot soil by comparison with husk extract treatment. For plant growth parameters, the total plant fresh weight was significantly different for husk compost treatment.  The all results seemed that the husk compost treatment has more effect on Meloidogyne spp. gall numbers than husk extract application on tomato.

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