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United States Department of Agriculture

Agricultural Research Service

Research Project: Interactions of Fusarium Graminearum, the Head Scab Pathogen, with Wheat and Barley Project Number: 0500-00053-003-36
Project Type: Grant

Start Date: Apr 24, 2011
End Date: Apr 23, 2015

Objective:
Project 1: Address the process of colonization of florets that leads to perithecia formation on barley grains. Project 2: Confirm that the lipid-filled hyphae form underneath the plant epidermis and perithecia form in association with light-transmitting cells (stomates and silica cells) are the major overwintering stage of the fungus.

Approach:
Project 1: Identify critical host tissue and timing windows that can be used to target transgene expression. Project 2: Determine whether the wide hyphae and perithecium initials are survival structures for overwintering of Fg in wheat stalks; characterize the mycelial components overwintering in corn stalks; and elucidate how crucial light signals that are essential for establishing perithecium initials and “wide hyphae” are perceived by the fungus.

Last Modified: 9/10/2014
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