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EVENT: Black spot disease complex in field pea - pathogens involved and interactions with host resistance

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Today's date is Monday, January 25, 2021
Black spot disease complex in field pea - pathogens involved and interactions with host resistance : Plant Biology research seminars Other events...
Pea black spot is the most devastating disease in field pea. The disease is caused by a complex of pathogens including Didymella pinodes, Phoma pinodella, Ascochyta pisi, and other fungi recently found to be associated with black spot. Findings of my PhD have provided, for the first time, the reasons why there have not been reports of durable and/or fully effective resistance against black spot. Firstly, despite the fact that the composition of pathogens in the black spot complex change over time and across locations, pea breeders in Australia and elsewhere have wrongly based breeding for black spot resistance against only D. pinodes. Secondly, pea breeders have not understood that relative host resistance to black spot disease in field pea is determined by individual pathogens. Thirdly, pea breeders have not fully comprehended the important role of pathogens in black spot complex which cause significant disease on epicotyls and roots. A major outcome of my research demonstrated, for the first time, the differences of the infection process of P. koolunga on stems versus leaves, as well as resistance against susceptible pea genotypes.

Speaker(s) Hieu Tran
Location Agriculture Lecture Theatre
Contact Barbara Jamieson <[email protected]> : 1782
Start Mon, 20 Jun 2016 16:05
End Mon, 20 Jun 2016 17:05
Submitted by Barbara Jamieson <[email protected]>
Last Updated Wed, 08 Jun 2016 10:06
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