Cool Wet Spring Offers Growers Opportunity Contans WG Fungicide Application Window Extended

Durham, NC: While many growers are frustrated with the late, cool, wet spring being experienced across much of the key soybean and dry bean growing areas; the weather has widened one window of opportunity. Contans WG, the only fungicide to stop white mold at the source – prior to infection Contans can be applied in the spring giving growers a head start against yield robbing white mold.

Durham, NC:  While many growers are frustrated with the late, cool, wet spring being experienced across much of the key soybean and dry bean growing areas; the weather has widened one window of opportunity.  Contans WG, the only fungicide to stop white mold at the source – prior to infection Contans can be applied in the spring giving growers a head start against yield robbing white mold.  And if cool, wet conditions continue into June, 2011 will set up as a heavy white-mold pressure year – making this early application of Contans even more important.

According to Purdue Extension cool, wet conditions during early reproductive stages favor disease development when the pathogen is present.  The disease is often most severe in varieties that have denser, faster-closing canopy.  The naturally occurring active ingredient in Contans is fungal spores of Coniothyrium minitans, a parasite that attacks the resting state (sclerotia) of both S. sclerotiorum and S. minor. The fungus C. minitans in Contans attacks Sclerotinia in the soil before it can infect a susceptible plant.  In fact, research shows Contans reduces the sclerotia populations by 80-85%.  Contans is now available in 50-pound bags offering added convenience for growers.

As Scott Peterson, Product Manager for SipcamAdvan explains, “Sclerotinia exists in the soil profile and is documented to last for 7-10 years.  But, because Contans targets the resting state of Sclerotinia, the disease causing populations can be reduced 80-85% year over year.  This gives growers an opportunity to reduce the source of the disease in the soil prior to planting a host crop.”  The active ingredient of Contans is exempt from EPA requirements for food tolerance which means there are no plant-back or rotational crop issues.  As a result Contans can be used on non-host crops to keep sclerotinia populations down in a standard corn/bean rotation.

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