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Thursday, January 6, 2011: 3:00 PM
Marquis - 106 & 107 (Atlanta Marriott Marquis)
Thrips are early season pests of cotton in the southeastern United
States. Thrips feeding causes injury to plants such as yellowing of
leaves, stunting of growth, and plant decline. This damage leads to
delayed maturity and reduced yields. Nematodes can cause additional
losses in combination with early pests. Temik™ 15G is an in-furrow
granular insecticide/nematicide that has been used to control and
suppress thrips and nematodes for approximately forty years. AVICTA
Complete Pak™ (ACP) was the first cotton seed treatment and was
introduced by Syngenta Crop Protection, Inc. in 2006. This product
contains a nematicide (abamectin), insecticide (thiamethoxam-trade name
Cruiser) and fungicide (Dynasty). These three compounds control and
suppress nematodes, thrips and seedling diseases. AERIS™ is a second
nematicide/insecticide seed treatment that was introduced in 2007 by
Bayer CropScience. This product contains a combination of a nematicide
(thiodicarb- trade name Larvin™), an insecticide (imidocloroprid- trade
name Gaucho Grande™), and is also offered with TRILEX, a fungicidal seed
treatment. The advantages and disadvantages of each technique alone or
in combination with one another in defined management zones defined by
soil electrical conductivity will be investigated in this project.
Research plots were located within a field that was mapped for soil
electrical conductivity at Clemson University’s Edisto Research and
Education Center in Blackville, SC. All pesticide techniques were
applied alone and in various combinations with each other. Populations
of thrips were sampled twice a week from each plot during and up to five
weeks after planting. Nematode samples were taken from each plot
at-planting, seven weeks after planting and at harvest. A yield map for
the field was created using the maturity of each plot and yields that
were machine-harvested taken with a yield monitor.
States. Thrips feeding causes injury to plants such as yellowing of
leaves, stunting of growth, and plant decline. This damage leads to
delayed maturity and reduced yields. Nematodes can cause additional
losses in combination with early pests. Temik™ 15G is an in-furrow
granular insecticide/nematicide that has been used to control and
suppress thrips and nematodes for approximately forty years. AVICTA
Complete Pak™ (ACP) was the first cotton seed treatment and was
introduced by Syngenta Crop Protection, Inc. in 2006. This product
contains a nematicide (abamectin), insecticide (thiamethoxam-trade name
Cruiser) and fungicide (Dynasty). These three compounds control and
suppress nematodes, thrips and seedling diseases. AERIS™ is a second
nematicide/insecticide seed treatment that was introduced in 2007 by
Bayer CropScience. This product contains a combination of a nematicide
(thiodicarb- trade name Larvin™), an insecticide (imidocloroprid- trade
name Gaucho Grande™), and is also offered with TRILEX, a fungicidal seed
treatment. The advantages and disadvantages of each technique alone or
in combination with one another in defined management zones defined by
soil electrical conductivity will be investigated in this project.
Research plots were located within a field that was mapped for soil
electrical conductivity at Clemson University’s Edisto Research and
Education Center in Blackville, SC. All pesticide techniques were
applied alone and in various combinations with each other. Populations
of thrips were sampled twice a week from each plot during and up to five
weeks after planting. Nematode samples were taken from each plot
at-planting, seven weeks after planting and at harvest. A yield map for
the field was created using the maturity of each plot and yields that
were machine-harvested taken with a yield monitor.