ENDRIA INIMICA (SAY), A NEW LEAFHOPPER VECTOR OF A CELERY-INFECTING STRAIN OF ASTER-YELLOWS VIRUS IN BARLEY AND WHEAT

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Abstract
A celery-infecting strain of aster-yellows virus was transmitted by Endria inimica (Say) from Vantage barley to Vantage barley and Ramsey durum wheat. With 8-hour acquisition feeds, an average of 12.4% of the insects became infective. Maximum infectivity, approximately 30%, was reached with 24-hour feeds and no further increase was recorded with longer periods of up to 7 days. The minimum latent period of the virus in the insect was between 18 and 25 days while the maximum period recorded was between 73 and 81 days.

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