4. VARIETYLINT/ACRELENGTHMIKE Deltapine DP555BG/RR 1038**1.054.8 +Deltapine DPLX99X35 1025*1.074.8 +Phytogen PH98M-2983 972*1.074.3 Sure Grow 501BR 944*1.054.6 Phytogen PSC355 939*1.084.9 Stoneville ST4892BR 9251.054.7 Sure Grow 215BG/RR 9041.024.5 Stoneville BXN49B 8771.084.2 Sure Grow 105 8561.104.6 FiberMax FM958 8241.124.8 Stoneville ST457 8211.084.3 Stoneville ST4793R 8141.034.8 BCG 28R 8111.085.0 Sure Grow 747 8081.084.8 Stoneville ST474 7821.054.7 Sure Grow 521R 7791.044.4 +NC 01-121 7741.044.7 Deltapine DP451B/RR 7681.094.3 BCG 295 7601.134.3 Deltapine DP436RR 7391.104.2 BCG 30R 7321.114.2 Deltapine PM 1218BG/RR 7261.034.3 Deltapine DP 20B 7231.114.3 Deltapine PM 1199RR 6911.084.8 AVERAGE PERFORMANCE OF EARLY VARIETES – 2002

5. AVERAGE PERFORMANCE OF EARLY VARIETES 2001-2002

6. AVERAGE PERFORMANCE OF EARLY VARIETES 2000-2002

7. AVERAGE PERFORMANCE OF MEDIUM VARIETIES 2002

8. AVERAGE PERFORMANCE OF MEDIUM VARIETIES 2001-2002

9. History Mississippi1997

10. do not break the 4 leaf ruledo not break the 4 leaf rule make post-direct applications as low as possiblemake post-direct applications as low as possible consider alternative chemistry on post- direct applicationsconsider alternative chemistry on post- direct applications History

11. North Carolina 1998

12. History North Carolina 1998

13. No fruit on lower portion of plant Grower’s field Wayne County, North Carolina. Grower said he post-directed 15- 20 cm from ground.

14. 1 st position: No lint 2 nd position: Some lint 3 rd position: Normal Typical symptoms of glyphosate damage to GR cotton fruit. 5-6 days of growth between each new position.

15. History North Carolina 1998

16. DP 458BRR-UNTDP 458BRR-4 lf POST DP 458BRR-4 lf POST & 8 lf PD

17. Pollen from non-treated plants

18. Pollen from treated plants

19. Flower from non-treated plant--Good pollen deposition

20. Flower from glyphosate-treated plant-- pollen deposition only on low stigma

21. Glyphosate increases anther stigma distances b c b a b a c d b a b a e f d b c a c d b a a a * Means followed by with same letter within a week are not significantly different at alpha = 0.05. Wk. 1Wk. 2Wk. 3Wk. 4 Stigma tip

22. History North Carolina 1998

24. Cross section of ‘cavitated’ boll (DP 90) and fruiting branch Xylem tissue, not sheared Sheared abscission zone Fruiting Branch Peduncle Area of V- shaped scar