Evaluation location: Washington, United States
Cicer arietinum from ICARDA were planted at the Pullman, Washington Whitlow farm on April 30, 2007. 245 small row were dirct seeded with approxiately 10 seeds per accession. Pea Streak Carlavirus(PSV) notes were taken based on plants symptoms by Dr. Clare Coyne on July 13, 2007. The PSV virus was not verfied by serological(ELISA) or PCR assays. Accessions without PSV symptoms were not consider resistant(R),since there was not a way to verfy that an infected PSV aphid attacked every accession. Only the accessions that were susceptible (S) were noted. The accessions evaluated were never sprayed with an insecticide.
Four pictures showing PSV sysptoms.
Pullman weather data from September 1, 2006 to August 31, 2007 as an Excel file .