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Plant Sciences Commons™

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2016

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Articles 181 - 195 of 195

Full-Text Articles in Plant Sciences

2015 Crop Performance In Southeast Kansas, Gretchen Sassenrath, Jane Lingenfelser, L. Mengarelli, X. Lin Jan 2016

2015 Crop Performance In Southeast Kansas, Gretchen Sassenrath, Jane Lingenfelser, L. Mengarelli, X. Lin

Kansas Agricultural Experiment Station Research Reports

Crop variety testing determines the production potential of newly released crop cultivars in Southeast Kansas. The genetic potential is moderated by environmental conditions during the growing season as well as soil productive capacity.

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Hydrologic And Nutrient Modeling Within An Agricultural Watershed In Southeast Kansas, V. J. Alarcon, Gretchen Sassenrath Jan 2016

Hydrologic And Nutrient Modeling Within An Agricultural Watershed In Southeast Kansas, V. J. Alarcon, Gretchen Sassenrath

Kansas Agricultural Experiment Station Research Reports

Access to safe, clean water is important to support society. Agricultural watersheds are often contaminated due to agricultural activities. Identification of specific factors contributing to impairment of water bodies is important to target remediation efforts. This research is designed to explore water quality within the Middle Neosho Watershed in southeastern Kansas to make more informed decisions in potential corrective actions.

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Evaluating Multi-Species Cover Crops For Forage Production, C. Davis, Deann Presley, J. K. Farney, Gretchen Sassenrath Jan 2016

Evaluating Multi-Species Cover Crops For Forage Production, C. Davis, Deann Presley, J. K. Farney, Gretchen Sassenrath

Kansas Agricultural Experiment Station Research Reports

Cover crops offer potential benefits for improving soil health, but establishment and management costs can be expensive. One way for farmers to recover these costs is to graze the forage, which benefits producers by integrating crop and animal production. More information is needed on the potential forage quantity and quality for grazing livestock of cover crops and mixed species of cover crops. Researchers have suggested that different plant species complement each other, but additional work is needed to determine how best to balance forage production and how competitive the various species are when added to a mix. Sixteen treatments were …

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Release Of Ksuz 0802 Zoysiagrass, J. Fry, Ambika Chandra Jan 2016

Release Of Ksuz 0802 Zoysiagrass, J. Fry, Ambika Chandra

Kansas Agricultural Experiment Station Research Reports

A new zoysiagrass cultivar, under the experimental designation KSUZ 0802, was released jointly by the Kansas Agricultural Experiment Station and Texas A&M AgriLife Research in 2015.

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2013 National Turfgrass Evaluation Program Bermudagrass Test: 2015 Data, L. Parsons, J. Griffin, J. Hoyle Jan 2016

2013 National Turfgrass Evaluation Program Bermudagrass Test: 2015 Data, L. Parsons, J. Griffin, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Kansas represents the northernmost region in the central United States where bermudagrass can be successfully grown as a perennial turfgrass. Historically, few cultivars that have both acceptable quality and adequate cold-tolerance have been available to local growers. Because new introductions are continually being selected for improved hardiness and quality, both seeded and vegetative types need regular evaluation to determine their long-range suitability for use in Kansas.

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Late Pre-Emergent Control Of Annual Bluegrass With Flazasulfuron & Indaziflam, J. Reeves, J. Hoyle Jan 2016

Late Pre-Emergent Control Of Annual Bluegrass With Flazasulfuron & Indaziflam, J. Reeves, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

All applications of flazasulfuron or indaziflam resulted in acceptable control of Annual Bluegrass (Poa annua), only allowing<3% visual weed cover (VWC) in all treatments compared to the non-treated (26% VWC) up to 133 days after application (DAA).

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Evaluating The Effects Of Simulated Golf Cart Traffic On Dormant Buffalograss And Turfgrass Colorants, E. Alderman, J. Hoyle, J. Fry, S. Keeley Jan 2016

Evaluating The Effects Of Simulated Golf Cart Traffic On Dormant Buffalograss And Turfgrass Colorants, E. Alderman, J. Hoyle, J. Fry, S. Keeley

Kansas Agricultural Experiment Station Research Reports

Percent green cover will ultimately decrease over time when traffic is applied to dormant buffalograss with turfgrass colorants. Data suggests that an additional five weeks of acceptable green cover can be achieved under high traffic situations when Endurant Premium is applied to dormant turf.

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Preventative Control Of Brown Patch With Select Fungicides, E. Alderman, J. Reeves, J. Hoyle Jan 2016

Preventative Control Of Brown Patch With Select Fungicides, E. Alderman, J. Reeves, J. Hoyle

Kansas Agricultural Experiment Station Research Reports

Preventative applications of Velista and Heritage Action fungicides will decrease the percentage of brown patch observed in a perennial stand of tall fescue.

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Corn Yield Response To Plant Populations, D. E. Shoup, Eric Adee, I. A. Ciampitti Jan 2016

Corn Yield Response To Plant Populations, D. E. Shoup, Eric Adee, I. A. Ciampitti

Kansas Agricultural Experiment Station Research Reports

Corn hybrid development with a focus on drought tolerance has emerged in recent years, and producers have questions about their yield performance across a range of plant populations. A three-year study was conducted to determine the yield of corn hybrids across several plant populations. Corn hybrids responded differently across three different yield environments in 2013, 2014, and 2015. In 2013, a lower yield environment occurred. The hybrid with drought tolerance had the greatest yield of 95 bu/a at a plant population of 21,500 plants/a, whereas the non-drought tolerant hybrid’s greatest yield was 90 bu/a at a plant population of 13,500 …

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Grain Sorghum Response To Water Supply And Environment, J. Broeckelman, G. J. Kluitenberg, K. Roozeboom, G. Cramer, Eric Adee, A. Schlegel, J. D. Holman, I. A. Ciampitti Jan 2016

Grain Sorghum Response To Water Supply And Environment, J. Broeckelman, G. J. Kluitenberg, K. Roozeboom, G. Cramer, Eric Adee, A. Schlegel, J. D. Holman, I. A. Ciampitti

Kansas Agricultural Experiment Station Research Reports

Three grain sorghum hybrids were selected to compare under different water supply scenarios across Kansas. The environments ranged from dryland in western Kansas to dryland and irrigated in central and eastern Kansas. The three hybrids that were selected represent different sorghum genotypes used commercially. Looking at two situations from higher and lower yielding environments, hybrids 1 and 3 had different strategies to attain final yields. In the higher yielding environment, both grain harvest index (HI, expressed as the dry weight ratio of grain yield to plant biomass at maturity) and biomass were maximized for hybrid 1 and hybrid 2. In …

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Timing Of Strobilurin Fungicide For Control Of Top Dieback In Corn, Eric Adee, Stu Duncan Jan 2016

Timing Of Strobilurin Fungicide For Control Of Top Dieback In Corn, Eric Adee, Stu Duncan

Kansas Agricultural Experiment Station Research Reports

Significant yield losses can result from top dieback (TDB) in dent corn (Zea mays), which is caused by infection by the fungus causing anthracnose (Colletotrichum graminicola). Research is limited on the effectiveness of fungicide application because of the unpredictable nature of the disease. Two field studies were established to assess the timing of fungicide application on TDB, one in Illinois (2010) and the other in Kansas (2015). Fungicide applications at tasseling (VT) and later were effective in reducing the incidence of TDB 20 to 30% and increasing yield 15 to 19 bu/a, or up to 10%, …

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Seeding Date Effects On Camelina Seed Yield And Quality Traits, E. Obeng, A. Obour, N. O. Nelson Jan 2016

Seeding Date Effects On Camelina Seed Yield And Quality Traits, E. Obeng, A. Obour, N. O. Nelson

Kansas Agricultural Experiment Station Research Reports

An alternative crop with potential for dryland crop production in the Great Plains is camelina (Camelina sativaL.Crantz). Time of planting is an important management consideration that can affect camelina production. A study was carried out in the spring of 2013, 2014, and 2015 to evaluate seeding date effects on spring camelina varieties grown under dryland conditions in western Kansas. Three spring varieties (Blaine Creek, Pronghorn, and Shoshone) were planted at three seeding dates: early (April 3, 2013; March 17, 2014; and March 18, 2015); mid (April 16, 2013; April 1, 2014; and April 1, 2015); …

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Soybean: Evaluation Of Inoculation, I. A. Ciampitti, Eric Adee, J. Kimball, G. I. Carmona Jan 2016

Soybean: Evaluation Of Inoculation, I. A. Ciampitti, Eric Adee, J. Kimball, G. I. Carmona

Kansas Agricultural Experiment Station Research Reports

A soybean crop can obtain up to 50 to 75% of its nitrogen (N) requirements from the air when the biological fixation is effectively established (Pedersen, 2007). The overall objective of this project was to quantify the response to inoculation for soybean in a field without previous history of this crop. Following this rationale, a field study was conducted during the 2015 growing season at Ottawa (east central Kansas). The treatments consisted in five different N management approaches: non-inoculated, inoculated × 1, inoculated × 2, inoculated × 3 and non-inoculated but fertilized with 300 lb N per acre as the …

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Evaluation Of Phosphorus Source And Chelate Application As Starter Fertilizer In Corn, C. L. Edwards, D. Ruiz Diaz Jan 2016

Evaluation Of Phosphorus Source And Chelate Application As Starter Fertilizer In Corn, C. L. Edwards, D. Ruiz Diaz

Kansas Agricultural Experiment Station Research Reports

The differences between common phosphorus (P) fertilizers as a starter in corn production have been studied for many years. However, little research has been conducted showing which P fertilizer sources are most effective with varying compositions of ortho- and poly-phosphate. The objectives of this study were to evaluate three commercially available P fertilizers, 0-16-19, 10-34-0, and 0-18-18 (N-P2O5-K2O) as starter band with and without the addition Cee*Quest-70 (CQ-70), a glucoheptonate chelate. The study was conducted at two locations, Scandia and Rossville, in 2014 and 2015. Experimental design was a randomized, complete block with four …

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Evaluating The Interaction Between Chelated Iron Source And Placement On Phosphorus Availability In Soybean, C. L. Edwards, D. Ruiz Diaz Jan 2016

Evaluating The Interaction Between Chelated Iron Source And Placement On Phosphorus Availability In Soybean, C. L. Edwards, D. Ruiz Diaz

Kansas Agricultural Experiment Station Research Reports

In agriculture, chelating agents are used to supplement micronutrients, such as iron (Fe). However, little research has been conducted at the field-scale level to evaluate chelating agent effects on phosphorus (P). The objectives of this study were to evaluate three commercially available chelated Fe sources on early soybean growth and nutrient uptake. The study was conducted at six locations in 2014 and 2015. The experimental design was a randomized, complete block with a factorial treatment arrangement. The two factors included fertilizer source and fertilizer placement. The fertilizer sources were P only, EDTA-Fe, HEDTA-Fe, and one glucoheptonate product, Cee*Quest N5Fe758 (CQ-758), …

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