COTTON. Bainbridge, Georgia: Earier Maturity Cotton Variety Performance, 2016, Irrigated

Transcription

1 DP 1522 B2XF PHY 444 WRF BRS PHY 487 WRF SSG UA MON 15R513B2XF DG CT15634 B2RF DG 2615 B2RF PHY 312 WRF GA BRS NG 3406 B2XF GA NG 3522 B2XF PHY 333 WRF PHY 499 WRF GA GA SSG HQ 212 CT DP 1614 B2XF DG 3526 B2XF SSG HQ 210 CT Average LSD at 10% Level 157 N.S CV % COTTON Bainbridge, Georgia: Earier Maturity Cotton Variety Performance, 2016, Irrigated * A random quality sample was taken on the picker during harvest and ginned in small gin in the SWVT Lab on the UGA Griffin Campus to determine lint fraction. A lint sample was sent to the USDA classing office in Macon, Georgia, for quality testing. 1. The F-test indicated no statistical differences at the alpha = 0.10 probability level; therefore, an LSD value was not calculated. May 11, October 19, Faceville sandy loam. P = High, K = Medium, and ph = lb N, 55 lb P 2 O 5, and 46 lb K 2 O/acre. Sidedress: lb N, 144 lb K 2 O, and 22.8 lb S/acre. Peanuts. Strip-tilled and subsoiled; Prowl, Cotoran, and MSMA used for weed control; Acephate, Imidacloprid, Prevathon, and Bidrin used for insect control. Irrigation (in): Rainfall (in): Trials conducted by D. Dunn, R. Brooke, and G. South. AP Georgia 2016 Peanut, Cotton, and Tobacco Performance Tests 17

2 Midville, Georgia: Earlier Maturity Cotton Variety Performance, 2016, Irrigated GA DG 2615 B2RF PHY 444 WRF DG CT15634 B2RF PHY 487 WRF PHY 333 WRF NG 3522 B2XF BRS GA SSG HQ 210 CT DP 1614 B2XF BRS PHY 312 WRF SSG HQ 212 CT PHY 499 WRF GA DP 1522 B2XF NG 3406 B2XF MON 15R513B2XF DG 3526 B2XF GA SSG UA Average LSD at 10% Level N.S CV % * A random quality sample was taken on the picker during harvest and ginned in small gin in the SWVT Lab on the UGA Griffin Campus to determine lint fraction. A lint sample was sent to the USDA classing office in Macon, Georgia, for quality testing. 1. The F-test indicated no statistical differences at the alpha = 0.10 probability level; therefore, an LSD value was not calculated. May 9, October 6, Tifton loamy sand. P = High, K = Medium, and ph = lb N, 30 lb P 2 O 5, and 80 lb K 2 O/acre. Sidedress: 65 lb N and.25 lb Boron/acre. Peanuts. Disked and subsoiled/bedded; Pendimethalin, Diuron, Reflex, Staple, MSMA, Envoke, and Select used for weed control; Acephate and Prevathon used for insect control; Telon II used for nematode control; Mepiquat, Def, Drop, and Ethephon used for PGR. Irrigation (in): Rainfall (in): Trials conducted by R. Brooke, D. Dunn, and G. South. 18 AP Georgia 2016 Peanut, Cotton, and Tobacco Performance Tests

3 Plains, Georgia: Earlier Maturity Cotton Variety Performance, 2016, Irrigated BRS DG 2615 B2RF DG CT15634 B2RF DP 1522 B2XF PHY 444 WRF NG 3406 B2XF PHY 487 WRF GA BRS PHY 312 WRF PHY 333 WRF GA DG 3526 B2XF GA PHY 499 WRF NG 3522 B2XF SSG UA MON 15R513B2XF DP 1614 B2XF SSG HQ 210 CT GA SSG HQ 212 CT Average LSD at 10% Level CV % * A random quality sample was taken on the picker during harvest and ginned in small gin in the SWVT Lab on the UGA Griffin Campus to determine lint fraction. A lint sample was sent to the USDA classing office in Macon, Georgia, for quality testing. May 4, October 17, Faceville sandy loam. P = Medium, K = High, and ph = lb N, 16 lb P 2 O 5, 60 lb K 2 O, and 1000 lb lime/acre. Sidedress: 80 lb N/acre. Soybeans. Disked, subsoiled/bedded, rototilled, and cultivated; Prowl, Reflex, Diuron, MSMA, and Staple used for weed control; Bidrin and Bifenthrin used for insect control; Mepiquat Chloride used for PGR. Irrigation: inches. Rainfall (in): Trials conducted by D. Dunn, R. Brooke, and G. South. AP Georgia 2016 Peanut, Cotton, and Tobacco Performance Tests 19

4 Tifton, Georgia: Earlier Maturity Cotton Variety Performance, 2016, Irrigated DG 2615 B2RF NG 3522 B2XF DP 1522 B2XF NG 3406 B2XF DG 3526 B2XF MON 15R513B2XF PHY 312 WRF BRS PHY 333 WRF PHY 487 WRF PHY 499 WRF SSG UA SSG HQ 212 CT DP 1614 B2XF PHY 444 WRF GA GA BRS DG CT15634 B2RF SSG HQ 210 CT GA GA Average LSD at 10% Level N.S CV % * Percent lint fractions were determined from plot seed cotton ginned in the Micro-Gin located on the UGA Tifton Campus. A lint sample was sent to the USDA classing office in Macon, Georgia, for quality testing. 1. The F-test indicated no statistical differences at the alpha = 0.10 probability level; therefore, an LSD value was not calculated. May 6, September 27, Tifton sandy loam. P = Medium, K = Medium, and ph = lb N, 80 lb P 2 O 5, and 80 lb K 2 O/acre. Sidedress: 75 lb N and 30 lb K 2 O/acre. Peanuts. Disked and subsoiled/bedded; Reflex, Cotoran, Warrant, Dual Magnum, and Select Max used for weed control; Besiege and Knack used for insect control; Prep, Folex, and Dropp used for defoliation. Irrigation (in): Rainfall (in): Trials conducted by S. Willis, R. Brooke, D. Dunn, and G. South. 20 AP Georgia 2016 Peanut, Cotton, and Tobacco Performance Tests

5 Variety Yield Summary of Earlier Maturity Cotton Varieties, 2016, Irrigated Lint Yield a 4-Loc. Bainbridge Midville Plains Tifton Average lb/acre Lint Unif. Index Length Strength Mic. % % in g/tex units DG 2615 B2RF PHY 444 WRF BRS GA DP 1522 B2XF T PHY 487 WRF T DG CT15634 B2RF NG 3522 B2XF NG 3406 B2XF PHY 312 WRF PHY 333 WRF MON 15R513B2XF T BRS T PHY 499 WRF T SSG UA T GA GA DG 3526 B2XF DP 1614 B2XF T SSG HQ 212 CT T GA SSG HQ 210 CT Average LSD at 10% Level CV % a Superscript numbers indicate ranking at that location. protected LSD (P = 0.10). AP Georgia 2016 Peanut, Cotton, and Tobacco Performance Tests 21

6 Two-Year Summary of Earlier Maturity Cotton Varieties at Four Locations 1, , Irrigated Variety Lint Yield Lint Index Length Strength Micronaire DG 2615 B2RF PHY 444 WRF DP 1522 B2XF PHY 487 WRF PHY 333 WRF PHY 312 WRF MON 15R513B2XF NG 3406 B2XF BRS PHY 499 WRF SSG UA DP 1614 B2XF SSG HQ 212 CT SSG HQ 210 CT Average LSD at 10% Level CV % Bainbridge, Midville, Plains, and Tifton. 22 AP Georgia 2016 Peanut, Cotton, and Tobacco Performance Tests