GREENSBORO, N.C., USA, – Before frogeye leaf spot returns this summer, soybean growers should consider using
Quadris Top® SBX fungicide from Syngenta. Cases of frogeye leaf spot, including its resistant strains, have been reported in soybean-growing states as far north as Illinois. To effectively manage disease pressure and delay resistance, growers should plant resistant varieties and use fungicides with multiple modes of action.
At first glance, solo-strobilurin fungicides may seem like the most economical choice for 2016, especially if growers have not yet experienced resistant frogeye leaf spot. However, researchers with the
NC Cooperative Extension state that resistance is on the rise, and continuous applications of solo-strobilurins – particularly in fields already showing less effective control with these fungicides – increase the likelihood of future resistance.
Considering that frogeye leaf spot can cause yield losses up to 30 percent, the potential for resistance could trump any upfront savings of going with just a solo-strobilurin.
“Whether it’s 2016 or further down the road, soybean growers using fungicides containing one active ingredient with a single mode of action won’t see the same benefits as they have in the past,” said Eric Tedford, fungicide technical product lead at Syngenta. “Beyond controlling other key diseases, Quadris Top SBX gives soybean growers confidence in controlling frogeye leaf spot, resistant or not, and the opportunity to maximize the yield potential of their soybeans.”
Quadris Top SBX contains a one-to-one ratio of two active ingredients, azoxystrobin and difenoconazole, and delivers two modes of action. Its robust formulation offers preventive, curative and systemic disease control and resistance management. Multi-year trials show yield boosts averaging 6 to 8 bushels per acre with Quadris Top SBX over untreated soybean fields.
As frogeye leaf spot and its resistant strains continue to show up in more fields, selecting resistant varieties, scouting for the disease and applying an effective fungicide become necessary measures to save yields. Even with current commodity prices, growers can increase their return on investment by choosing Quadris Top SBX for excellent disease control and resistance management.
For all of the latest soybean news, visit
SyngentaUS.com/soybeans or contact Syngenta at
866-796-4368. Tap into agronomic insights on
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Media Contacts:
Steven Oklesh
336-632-6000
steven.oklesh@syngenta.com
Janvika Shah
919-870-5718
jshah@gscommunications.com
Web Resources:
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NC Cooperative Extension
Syngenta Soybeans
Syngenta Newsroom
Know More, Grow More
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Product performance assumes disease presence.
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