Figure 3. Residual viability (eggs/cyst) of Globodera sp. as affected by various crops

Starting from these results, several studies were set up in order to establish the relationship (stimulatory hatching/inhibitory development effects) between different crops/species and Globodera spp. in traditional Andean cropping systems in the valley and Altiplano areas of Cochabamba (Bolivia). The varieties, genotypes, lines or entries identified within Andean crops as trap or antagonistic plants would hence improve the efficiency of alternative crops in existing traditional rotation systems (Table 3). Their effect will be achieved by reducing soil nematode densities through the hatching of viable eggs, without juveniles root penetration and/or nematode development and reproduction, thus improving the yield of the subsequent potato crop.

Table 3. Characteristics of traditional Andean cropping systems in valley and Altiplano regions of Bolivia

Quino┬╗ 6 Fallow Barley Quinos Lupine 99 Potato Lupine Lupine55 Lupine 57 QuinoalO

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