Scientia Agricultura Sinica ›› 2005, Vol. 38 ›› Issue (09): 1801-1804 .

• PLANT PROTECTION • Previous Articles     Next Articles

Two AFLP Markers Linked to Avirulence Gene Avr1in Phytophthora infestans

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  • Received:2005-01-30 Revised:1900-01-01 Online:2005-09-10 Published:2005-09-10

Abstract: Bulked segregant analysis was used to analyse segregating fluorescent AFLP markers in F1 progeny of Phytophthora infestans cross 71 (NL-80029 X NL-88133) and to select AFLP markers linked to avirulence gene Avr1. All 256 PstI+2 and HhaI+2 primer combinations were screened and this resulted in five candidate AFLP markers linked to Avr1. When tested on 50 individual F1 progenies two out of five candidate AFLP markers appeared to cosegregate with Avr1 and these can be used to position Avr1 on the molecular genetic linkage map.

Key words: Phytophthora infestans, Avr1, BSA (bulked segregant analysis), AFLP marker

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