N.C. State University; Entomology Department

Transcription

1 Reps: 4 Plots: 10 by 40 feet Spray Vol: 8 gal/ac Mix Size: 3 liters (min ) Trt Treatment Form Form Rate Amt Product Plot No. By Rep No. Name Conc Type Rate Unit to Measure TEMIK 15 G 0.75 LB A g/1 pl TEMIK 15 G 0.52 LB A g/1 pl TEMIK 15 G 0.52 LB A g/1 pl AERIS 4 AERIS TEMIK 15 G 0.52 LB A g/1 pl ORTHENE 97 SG 0.25 LB A g/mx 6 AERIS ORTHENE 97 SG 0.25 LB A g/mx 7 ORTHENE 97 SG 0.25 LB A g/mx Untreated Background Information Location: Upper Coastal Plains Research Station, Edgecombe Co., NC Crop: Cotton Previous crop: Peanuts Variety: St4498 B2RF Planting date: 5/26/10 Soil type: Acock very fine sandy loam Row spacing: 36 inches Plot size: 4 rows x 40 feet Spray dates: Orthene on Treatment 5,6,7 at 0.25 ai/acre on 6/8/10. Equipment: CO2-powered backpack sprayer calibrated to deliver 3mph & 50psi with a single TX-8 hollow cone nozzle per row.

2 6/8/10 6/8/10 6/8/10 6/8/10 6/15/10 6/15/10 6/15/10 6/15/10 6/22/10 6/22/10 Adult Immature Total Dry Adult Immature Total Dry Adult Immature Thrips Thrips Thrips Weight Thrips Thrips Thrips Weight Thrips Thrips #/5plant #/5plant #/5plant gms/5plt #/5plant #/5plant #/5plant gms/5plt #/5plant #/5plant No. Name Conc Type Rate Rate Unit 1 TEMIK 15 G 0.75 LB A/A 0.00 b 3.00 b 3.00 b a 2.50 cd 5.50 b 8.00 b ab 8.00 bc ab 2 TEMIK 15 G 0.52 LB A/A 2.25 b 5.25 b 7.50 b a 4.50 bc b b ab 9.00 b bc 3 TEMIK 15 G 0.52 LB A/A 2.25 b 0.75 b 3.00 b a 3.75 cd b b a 9.50 b a 3 AERIS MG/SEED 4 AERIS MG/SEED 2.75 b 4.00 b 6.75 b a 7.75 ab b b ab 7.50 bc a 5 TEMIK 15 G 0.52 LB A/A 0.75 d 1.75 b 2.50 b ab 4.25 c c 5 ORTHENE 97 SG 0.25 LB A/A 6 AERIS MG/SEED 1.25 cd 2.50 b 3.75 b ab 6.75 bc c 6 ORTHENE 97 SG 0.25 LB A/A 7 ORTHENE 97 SG 0.25 LB A/A 1.75 cd 6.75 b 8.50 b bc 5.50 bc c 8 Untreated a a a a 9.50 a a a c a a LSD (P=.05) Standard Deviation CV Replicate F Replicate Prob(F) Treatment F Treatment Prob(F) Means followed by same letter do not significantly differ (P=.05, LSD)

3 No. Name Conc Type Rate Rate Unit 6/22/10 6/22/10 6/9/10 6/28/10 6/28/10 10/25/10 10/25/10 Total Dry Stand Stand Plant Seed/Cot Lint Thrips Weight Count Count Height Yield Yield #/5plant gms/5plt #/40 ft #/80 ft cm/5plt per Plot per acre lbs/90ft 1 TEMIK 15 G 0.75 LB A/A bc a ab c a 10.7 ab ab 2 TEMIK 15 G 0.52 LB A/A cd a ab a a 10.7 ab ab 3 TEMIK 15 G 0.52 LB A/A ab a a bc a 10.8 a a 3 AERIS MG/SEED 4 AERIS MG/SEED ab a b abc a 10.8 ab ab 5 TEMIK 15 G 0.52 LB A/A d a ab ab a 9.6 bc bc 5 ORTHENE 97 SG 0.25 LB A/A 6 AERIS MG/SEED d ab a bc a 9.3 c c 6 ORTHENE 97 SG 0.25 LB A/A 7 ORTHENE 97 SG 0.25 LB A/A d ab ab c a 9.0 c c 8 Untreated a b ab bc b 9.8 abc abc LSD (P=.05) Standard Deviation CV Replicate F Replicate Prob(F) Treatment F Treatment Prob(F) Means followed by same letter do not significantly differ (P=.05, LSD)

4 6/8/10 6/8/10 6/8/10 6/8/10 6/15/10 6/15/10 6/15/10 6/15/10 6/22/10 6/22/10 Adult Immature Total Dry Adult Immature Total Dry Adult Immature Thrips Thrips Thrips Weight Thrips Thrips Thrips Weight Thrips Thrips #/5plant #/5plant #/5plant gms/5plt #/5plant #/5plant #/5plant gms/5plt #/5plant #/5plant No. Name Conc Type Rate Rate Unit Plot 1 TEMIK 15 G 0.75 LB A/A Mean = TEMIK 15 G 0.52 LB A/A Mean = TEMIK 15 G 0.52 LB A/A AERIS MG/SEED Mean = AERIS MG/SEED Mean = TEMIK 15 G 0.52 LB A/A ORTHENE 97 SG 0.25 LB A/A Mean = AERIS MG/SEED ORTHENE 97 SG 0.25 LB A/A Mean = ORTHENE 97 SG 0.25 LB A/A Mean = Untreated Mean =

5 6/22/10 6/22/10 6/9/10 6/28/10 6/28/10 10/25/10 10/25/10 Total Dry Stand Stand Plant Seed/Cot Lint Thrips Weight Count Count Height Yield Yield #/5plant gms/5plt #/40 ft #/80 ft cm/5plt per Plot per acre lbs/90ft No. Name Conc Type Rate Rate Unit Plot 1 TEMIK 15 G 0.75 LB A/A Mean = TEMIK 15 G 0.52 LB A/A Mean = TEMIK 15 G 0.52 LB A/A AERIS MG/SEED Mean = AERIS MG/SEED Mean = TEMIK 15 G 0.52 LB A/A ORTHENE 97 SG 0.25 LB A/A Mean = AERIS MG/SEED ORTHENE 97 SG 0.25 LB A/A Mean = ORTHENE 97 SG 0.25 LB A/A Mean = Untreated Mean =