Endophytic fungus decreases plant virus infections in meadow ryegrass (Lolium pratense).

  title={Endophytic fungus decreases plant virus infections in meadow ryegrass (Lolium pratense).},
  author={P{\"a}ivi T Lehtonen and M. E. Helander and Shahid Aslam Siddiqui and Kirsi Lehto and K. T. Saikkonen},
  journal={Biology letters},
  volume={2 4},
We studied the effects of fungal endophyte infection of meadow ryegrass (Lolium pratense=Festuca pratensis) on the frequency of the barley yellow dwarf virus (BYDV). The virus is transferred by aphids, which may be deterred by endophyte-origin alkaloids within the plant. In our experiment, we released viruliferous aphid vectors on endophyte-infected and endophyte-free plants in a common garden. The number of aphids and the percentage of BYDV infections were lower in endophyte-infected plants… CONTINUE READING
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