Herbicide Alternatives Research - Executive Office of Transportation

FIGURE 4.15 . MOWED PLOTS AT THREE WEEKS AFTER SPRAYING WITH ALTERNATIVE AND CONVENTIONAL
HERBICIDES (JULY 27, 2006). NUMBERS IN PARENTHESES ARE VISUAL INDICES OF PLOTS...................................96
FIGURE 4.16. UNMOWED PLOTS AT THREE WEEKS AFTER SPRAYING WITH ALTERNATIVE AND CONVENTIONAL
HERBICIDES (JULY 27, 2006). NUMBERS IN PARENTHESES ARE VISUAL INDICES OF PLOTS...................................97
FIGURE 4.17. END-OF-SEASON VIEWS OF PLOTS TREATED WITH ALTERNATIVE HERBICIDES OR WITH GLYPHOSATE
(PHOTOGRAPHS TAKEN ON SEPTEMBER 21, 2006)................................................................................................98
FIGURE 4.18. PLOT DIAGRAM OF DESIGN OF EXPERIMENT EVALUATING APPLICATIONS OF CORN GLUTEN MEAL ON
LAND THAT HAD BEEN PRETREATED BY BURNING OR SPRAYING WITH GLYPHOSATE (ROUNDUP) UNDER
GUARDRAILS AT THE WEIGH STATION (WEIGH STATION SOUTH) ALONG THE SOUTHBOUND LANE OF INTERSTATE
91 IN DEERFIELD. THE NUMBERS DESIGNATE POUNDS OF CORN GLUTEN MEAL APPLIED PER 1,000 SQ FT. UT IS
UNTREATED PLOTS. ..............................................................................................................................................99
FIGURE 4.19A. PHOTOGRAPHS OF GUARDRAIL TEST PLOTS TESTED WITH CORN GLUTEN MEAL, BEFORE TREATMENT,
AFTER PREPARATION OF BURNING, AFTER TREATMENT WITH GLYPHOSATE........................................................102
FIGURE 4.19B. PHOTOGRAPHS OF GUARDRAIL PLOTS TREATED WITH CORN GLUTEN MEAL AT DIFFERENT RATES OF
APPLICATION ON PLOTS PREPARED BY BURNING.................................................................................................103
FIGURE 4.19C. PHOTOGRAPHS OF GUARDRAIL PLOTS TREATED WITH CORN GLUTEN MEAL AT DIFFERENT RATES OF
APPLICATION ON PLOTS PRETREATED WITH GLYPHOSATE...................................................................................104
FIGURE 4.19D. OVERALL VIEWS OF GUARDRAIL PLOTS TREATED CORN GLUTEN MEAL, PRETREATED WITH BURNING
AND PRETREATED WITH GLYPHOSATE ................................................................................................................105
FIGURE 4.20. PHOTOGRAPHS TAKEN IN SEPTEMBER OF GUARD RAIL PLOTS TREATED WITH CORN GLUTEN MEAL,
PRETREATED BY BURNING OR APPLICATION OF GLYPHOSATE. ............................................................................106
FIGURE 4.21. PHOTOGRAPHS OF GRAPEVINES AT THREE WEEKS AFTER TREATMENT WITH HERBICIDES. TREATMENTS
WERE APPLIED ON AUGUST 11, 2006, AND PICTURES WERE TAKEN ON SEPTEMBER 1, 2006...............................109
FIGURE 4.22. PHOTOGRAPHS OF POISON IVY AT THREE WEEKS AFTER TREATMENT WITH HERBICIDES. TREATMENTS
WERE APPLIED ON AUGUST 11, 2006, AND PICTURES WERE TAKEN ON SEPTEMBER 1, 2006...............................110
FIGURE 4.23. PHOTOGRAPHS OF SUMAC AT THREE WEEKS AFTER TREATMENT WITH HERBICIDES. TREATMENTS WERE
APPLIED ON AUGUST 10, 2006, AND PICTURES WERE TAKEN ON SEPTEMBER 1, 2006.........................................111
FIGURE 4.24. PHOTOGRAPHS OF PLOTS AT FIVE WEEKS FOLLOWING BURNING WITH HAND-HELD TORCH...................117
FIGURE 4.25. PHOTOGRAPHS OF MULCHED PLOTS IN THE ANNUAL PLANT PLOTS. ......................................................117
FIGURE 4.26. PHOTOGRAPHS OF PLOTS IN THE PERENNIAL WEED AREA AT THE END OF THE GROWING SEASON IN 2005.
...........................................................................................................................................................................118
FIGURE 4.27. PHOTOGRAPH IN MAY 2006 OF PERENNIAL WEEDS TREATED WITH CORN GLUTEN MEAL IN THE PRIOR
GROWING SEASON...............................................................................................................................................118
FIGURE 4.28. STEAM APPLICATION EQUIPMENT USED IN RESEARCH...........................................................................122
FIGURE 4.29. ROADSIDE PLOTS TREATED STEAM ON A SINGLE DATE IN MAY 2006 OR WITH MULTIPLE SUCCESSIVE
TREATMENTS THROUGH AUGUST 2006 (PHOTOGRAPH TAKEN ON JULY 31, 2006). NUMBERS IN PARENTHESES ARE
THE MEAN RATINGS OF ALL APPLICATIONS OF THE TREATMENTS. ......................................................................124
FIGURE 4.30. APPLICATION OF STEAM TREATMENTS WITH AQUACIDE OR WAIPUNA IMPLEMENTS ............................126
FIGURE 4.31. PHOTOGRAPHS OF STEAM-TREATED PLOTS AT 24 HR AFTER APPLICATION OF TREATMENTS (2005)......128
FIGURE 4.32. PHOTOGRAPHS OF PLOTS AT SIX WEEKS AFTER APPLICATION OF STEAMING TREATMENTS (2005). .......129
FIGURE 4.33 PHOTOGRAPHS OF PLOTS AT ONE WEEK AFTER TREATMENT (TRIAL 1, EXPERIMENT 1, 2006)................133
FIGURE 4.34 PHOTOGRAPHS OF PLOTS AT FOUR WEEKS AFTER APPLICATION OF STEAM TREATMENTS (TRIAL 1,
EXPERIMENT 1, 2006).........................................................................................................................................134
FIGURE 4.35. PHOTOGRAPHS OF FIELD PLOTS FOLLOWING TREATMENTS WITH STEAM, STEAM AND FOAM, OR BURNING
(EXPERIMENT 2 FIELD PLOTS)............................................................................................................................138
FIGURE 4.36 PHOTOGRAPHS OF FIELD PLOTS AT THREE WEEKS FOLLOWING TREATMENTS WITH STEAM OR STEAM AND
FOAM (EXPERIMENT 2 FIELD PLOTS)..................................................................................................................139
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