Publication Date

1997

Description

The objective of this study was to determine the behaviour of new varieties of Italian ryegrass (Lolium multiflorum) and their tolerance to the attack of the Argentine stem weevil (Listronotus bonariensis) in cultivars with and without endophyte (Acremonium lolli). The variety of better behaviour was Aberoscar; although it does not have endophyte, it was not very damaged, the one which leads one to belive there are other factors besides the endophyte influencing this cultivar’s resistance to the Argentine stem weevil. The effect of the endophyte was of little importance in the control of the insect pest.

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The Role of Endophyte (Acremonium lolii) in Listronotus Bonariensis pest Tolerance of Italian Ryegrass (Lolium multiflorum)

The objective of this study was to determine the behaviour of new varieties of Italian ryegrass (Lolium multiflorum) and their tolerance to the attack of the Argentine stem weevil (Listronotus bonariensis) in cultivars with and without endophyte (Acremonium lolli). The variety of better behaviour was Aberoscar; although it does not have endophyte, it was not very damaged, the one which leads one to belive there are other factors besides the endophyte influencing this cultivar’s resistance to the Argentine stem weevil. The effect of the endophyte was of little importance in the control of the insect pest.