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Loss of Aggressiveness of Phytophthora cinnamomi (Beta-Cinnamomin Silenced Strain) in the Infection of Castanea sativa

Published online by Cambridge University Press:  28 September 2012

I. Maia ,
M. Horta ,
A. Cravador  and
C. Medeira
I. Maia
Affiliation:
INRB/INIA, Av. da República, Quinta do Marquês 2784-505 Oeiras, Portugal
M. Horta
Affiliation:
IBB/CGB-Universidade da Algarve, FCT, Campus de Gambelas, 8005-139 FARO, Portugal
A. Cravador
Affiliation:
IBB/CGB-Universidade da Algarve, FCT, Campus de Gambelas, 8005-139 FARO, Portugal
C. Medeira
Affiliation:
INRB/INIA, Av. da República, Quinta do Marquês 2784-505 Oeiras, Portugal

Abstract

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Several forest species are severely affected by Phytophthora cinnamomi. The contribution of this oomycete to forest decline and dieback has been broadly reported. In particular, it is consensual that it is the causal agent of ink disease in Castanea sativa. It has been associated with the severe decline of Quercus species, namely the Q. suber and Q. ilex dieback in Portugal and Spain, and has been responsible for the infection of numerous native species and crops. This pathogen persists in the soil or on plant material in the form of chlamydospores allowing the infection of living root tissues when environmental conditions are favorable.

Type
Life Sciences
Information
Microscopy and Microanalysis , Volume 18 , Supplement S5: Portuguese Supplement , August 2012 , pp. 17 - 18
Copyright
Copyright © Microscopy Society of America 2012