Oilseed rape growers who were hit by light leaf spot (LLS) last season face a high risk of further problems in 2013 and should be prepared to spray in the next few weeks, HGCA work has shown.
LLS has become more prevalent in England in recent years and this is set to continue. November is an important month for monitoring the disease and spraying if risk is high.
HGCA fungicide performance trials, which started in 2009, show that good control of light leaf spot is difficult to achieve. A report of the trials, now available from HGCA, shows azoles are the leading fungicides, but reduced sensitivity to these products may be affecting performance. Read more...









































