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Using compost on nematodes management in horticulture crops
Published in Monica Ozores-Hampton, Compost Utilization in Production of Horticultural Crops, 2021
Root-knot nematodes, Meloidogyne spp. and sting nematodes (Belonolaimus longicaudatus) are among the most common and economically relevant plant-parasitic nematode species affecting crops (Mitkowski and Abawi, 2011). Root-knot nematodes can be considered as a main restraining factor for crop production, causing a serious decrease of yield and fruit quality. Root-knot nematodes have indeed been regarded as the greatest nematode threat on multiple crop production in the world (Mitkowski and Abawi, 2011). Plant injury due to RKNs infection involves the formation of “galls” causing poor root function in water and nutrient uptake. Hence, plants exhibit slow recovery to soil moisture adjustments, showing wilting and stunting. Similarly, plants present symptoms distinctive of nutrient deficiency such as chlorosis, ultimately causing yield reduction or losses. Furthermore, RKN-affected plants occur in patches across the field due to the random distribution of RKN population densities (Duncan and Noling, 1998). Besides causing severe, direct crop damage, RKNs also interact with fungi and bacteria, creating plant disease complexes and contributing to yield declines and losses (Mai and Abawi, 1987).
Ozonated Nutrient Solution Treatment as an Alternative Method for the Control of Root-Knot Nematodes in Soilless Cultivation
Published in Ozone: Science & Engineering, 2020
Liang Zheng, Qi Yang, Weitang Song
Root-knot nematodes are high destructive worms that affecting the growth and development of their host plants and leading to the formation of root-knots, as well as the co-occurring of fungal and viral diseases increases productional losses (Dong and Zhang 2006). Compared with conventional control measures of root-knot nematodes, ozonation could be a potential wide spectrum way not only in inactivating microbial pathogens but also in infesting nematodes and insects (Isikber and Athanassiou 2015).