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Introduction of new genotypes into ascospore progeny of Cryphonectria parasitica in the field

Published online by Cambridge University Press:  01 June 1998

SANDRA L. ANAGNOSTAKIS
SANDRA L. ANAGNOSTAKIS
Affiliation:
The Connecticut Agricultural Experiment Station, New Haven, Connecticut 06504-1106, U.S.A.
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Abstract

The aim of this work was to use sexual reproduction to introduce new genotypes into natural populations of Cryphonectria parasitica, the cause of chestnut blight disease. Mating was initiated by painting conidia (which serve as spermatia) onto stromata in cankers initiated in the early spring. The matings yielded perithecia 161 and 180 d after canker initiation. Single-ascospore isolates from these perithecia included cultures with the phenotypes of conidia which had been painted onto the cankers as early as 17 d after canker initiation.

Type
Research Article
Information
Mycological Research , Volume 102 , Issue 6 , June 1998 , pp. 685 - 686
Copyright
© The British Mycological Society 1998

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