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Microscopic analysis of the effect of azoxystrobin treatments on Mycosphaerella graminicola infection using green fluorescent protein (GFP)-expressing transformants by Eric A Rohel; Nadine Cavelier; Derek W Hollomon is a Agricultural and Biological Sciences article available to read on EtoBox.

What is Microscopic analysis of the effect of azoxystrobin treatments on Mycosphaerella graminicola infection using green fluorescent protein (GFP)-expressing transformants about?

## Abstract Green fluorescent protein (GFP)‐expressing transformants were used to investigate the effects of strobilurin fungicide azoxystrobin on __Mycosphaerella graminicola__ infection. Azoxystrobin treatments (125 or 250 g AI ha^−1^) were applied at various stages of the infection process under controlled conditions. GFP transformants showed conserved __in vitro__ sensitivity to azoxystrobin and pathogenicity. Azoxystrobin controlled over 90% of __M graminicola__ infections when applied before or during penetration of the pathogen (15% of the incubation phase). Azoxystrobin also impaired the growth of intercellular hyphae in __M graminicola__ post‐penetration infection stages when applied at up to 50% of the incubation phase. Incubating infections observed in treated leaves were viable, but their growth was impaired and they did not induce necrosis under controlled conditions. Reduction by half of azoxystrobin dosage had little or no effect on azoxystrobin efficiency in controlling __M graminicola__. The contribution of post‐penetration fungistatic effect to azoxystrobin curative properties toward __M graminicola__ in a field situation is discussed. © 2001 Society of Chemical I

Who reads Microscopic analysis of the effect of azoxystrobin treatments on Mycosphaerella graminicola infection using green fluorescent protein (GFP)-expressing transformants?

Author

Eric A Rohel; Nadine Cavelier; Derek W Hollomon

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1526-498X)

Published

2001

Language

EN

Field

Agricultural and Biological Sciences (Life Sciences)