engleski

Effect of soybean cultivar on endoparasitic nematodes and arbuscular mycorrhizal fungi relationship

Endoparasitic nematodes (EPN) and arbuscular mycorrhizal fungi (AMF) are widespread in rhizosphere and roots and have opposite effects on plant health. Since, there is direct competition for space, the mutual antagonism between EPN and AMF has been observed. The objectives were to determine the effect of soybean cultivars on EPN in roots and root length colonization by AMF and their correlation. The cultivar effects and relationship between EPN and AMF colonization in soybean roots has been observed in roots of seven soybean cultivars, in randomized complete block design experiment. Significant differences were found between cultivars for the root infection by EPN and AMF colonization depending on the month of investigation. Relationship between the cultivars concerning interaction between EPN and AMF was found to be positive or negative depending on the cultivar and the month. Three cultivars (OS-1-0, OS-2-I, and OS-3-I) had strong negative correlation while the strength of correlation of other cultivars was weak. Our results suggest that mutual inhibition between EPN and AMF in soybean roots existed depending on the cultivar and the plant genotype as such affects their relationship.

soybean cultivar ; endoparasitic nematodes ; arbuscular mycorrhizal fungi ; root colonization

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