Estimated Average (pounds/acre) Region 2012 2013 Southeast 3,600 ? Virginia-Carolina 3,600 3,600 Southwest 3,100 ?
Prices for Virginia Market Types Prior to 2003 - $610/ton on quota, dividend on remaining stocks depending upon US production 2003 to present – $355/ton without contract (loan rate) 2003, $500/ton on all production 2004, $475/ton with seed premium ($25/ton) 2005, $450/ton, seed premium, contracts limited 2006, $425/ton, seed premium, portion of 2005 contract 2007, $490/ton, seed premium 2008, $600/ton, seed premium 2009, $480/ton, seed premium 2010, $525/ton, seed premium 2011, $675/ton, seed premium 2012, $700/ton, seed premium 2013, $540/ton, seed premium
Thrips damage with in-furrow and postemergence applications of insecticides and seed treatment 4 weeks after planting (2012 and 2013). Data are pooled over 5 trials. Funded by NCPGA and NPB. In-furrow Postemergence Thrips damage (0-5 scale) None None 2.5 a None Orthene 1.2 b Orthene None 1.3 b Orthene Orthene 0.7 d Cruiser Maxx None 2.3 a Cruiser Maxx Orthene 1.1 bc Admire Pro None 0.7 d Admire Pro Orthene 0.3 e Thimet None 0.9 cd Thimet Orthene 0.7 d Temik None 0.4 e Temik Orthene 0.4 e None Orthene then Orthene 0.9 cd Number of trials - 5
Valor SX Thimet
May 3 May 16 May 28 Image taken on July 18, 2013
July 18 Aug 15 Aug 27 Planted May 3, 2013
July 18 Aug 15 Aug 27 Planted May 16, 2013
Aug 15 Aug 15 Aug 27 Planted May 28, 2013
May 3 May 28 May 16 Image taken on August 27, 2013
May 3 May 16 May 28 Image taken on August 27, 2013
Variety Heat units Days CHAMPS 2550 -5 Bailey 2590 -3 Sugg 2630 -1 NC-V 11 2650 0 Gregory 2650 0 Perry 2720 +5 Florida Fancy 2790 +7 Assumes adequate moisture throughout the season and planting on same date
Average heat unit accumulation per day (DD 56 ) from May 16 through November 1 at Lewiston-Woodville during 2009-2012 and a portion of 2013. Average for the Interval Described Dates 2009 2010 2011 2012 2013 19.1 20.7 15.4 17.6 May 16 to June 15 17.8 24.5 25.2 23.0 21.8 June 16 to July 15 20.1 26.3 28.0 24.8 22.3 July 16 to August 15 22.9 20.9 21.3 20.2 17.7* August 16 to September 15 18.5 14.4 11.1 20.3 ? September 16 to October 15 11.9 9.3 1.3 4.5 ? October 16 to November 1 7.1
Heat units as of August 26 (May 10 emergence) Parameter Lewiston Whiteville 2012 2219 2249 2013 2179 2202 Amount (approximate days) 39 47 (2 days behind) (2.5 days behind) Heat units at Aug 27-Sep 15 Ave = 19/day Ave = 19/day 380 380 Total as of September 15 2559 2582 Deficit (for Bailey at 2590) 31 8
Cloudy days have delayed development as much as limited heat units
Possible issues from now till harvest: Stem rot (top) should play out by mid September while Sclerotinia blight (right) will be an issue through harvest.
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