Soil Solarization: An Effective Tool to Manage Plant Parasitic Nematodes in Crops

Soil solarization is an effective and environmentally sustainable technique for managing plant-parasitic nematodes in agricultural crops. This method involves covering the soil with transparent polyethylene sheets during hot summer months, harnessing solar energy to elevate soil temperatures to levels that are lethal to nematodes, including root-knot, cyst and reniform nematodes. Beyond reducing nematode populations, solarization enhances soil health by improving nutrient availability, stimulating beneficial microbial activity and suppressing weed growth. When combined with organic amendments such as composts or manures, the nematicidal effects of solarization are further amplified, resulting in improved plant growth. While factors like climatic conditions and the border effect where temperature gradients limit effectiveness at the edges of treated areas can influence its success. This cost-effective and sustainable approach, aligns well with integrated pest management strategies, and exhibit significant potential for managing soil nematode infestations and fostering sustainable crop production worldwide. Soil solarization aligns well with integrated pest management strategies, and exhibits cost-effective and sustainable management of nematode infestations under subtropical, tropical and mediterranean climates in particular.