Genetic Variation Among Populations Coincided with Differences in Invasion and Propagation in Roots of a Set of Cruciferous Plants
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Chemistry
Molecular Biology
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Genes of host plants and parasitic nematodes govern the plant-nematode interaction. The biological receptors and parasitism effectors are variable among plant species and nematode populations, respectively. In the present study, hatch testing and bioassays on cabbage, oilseed radish, and mustard were conducted to compare the biological characteristics among six populations of the beet cyst nematode . Genetic patterns of the gene for the studied populations were distinct as shown by denaturing the gradient gel electrophoresis of PCR-amplified gene fragments. Concurrently, significant differences in the hatching rates, number of penetrated J2 in roots, and eggs/cyst ratios among the six nematode populations for the three cruciferous species were observed. In conclusion, analyzing the population genetic structure of plays a pivotal role in illustrating the variability in the plant-nematode interaction among its populations and plant species, which in its role leads to developing nematode management depending on plant resistance.
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