Abstract
Broad bean (Vicia faba L) is an established vegetable crop grown in Canterbury with the area now growing related field bean for both human and animal consumption increasing and forming a useful addition to mixed cropping systems A V faba virus survey completed in 1991 detected Soybean dwarf virus (SDV) and Beet western yellows virus (BWYV) Turnip yellows virus (TuYV) which cause bean leaf roll; Alfalfa mosaic virus (AMV); Cucumber mosaic virus (CMV); Pea seedborne mosaic (PSbMV); and Bean yellow mosaic virus (BYMV) In 2011 16 faba bean crops throughout mid and South Canterbury were surveyed for viruses known and not known to be present in New Zealand Virus incidences were low with only a few crops damaged largely by bean leaf roll When compared with previous surveys only TuYV appears to have become more widespread but with a similar incidence (07) SDV was less widespread but had a higher incidence (025) The incidences of other viruses were similar to the previous survey AMV (09) PSbMV (035) BYMV (05) although CMV was not detected Red clover vein mosaic virus (RCVMV) was detected for the first time in for New Zealand and was found to be reasonably widespread and at high incidences within some crops
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