Physical and Cultural Weed Control Working Group of - European ...
Physical and Cultural Weed Control Working Group of - European ...
Physical and Cultural Weed Control Working Group of - European ...
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9 th EWRS Workshop on <strong>Physical</strong> <strong>and</strong> <strong>Cultural</strong> <strong>Weed</strong> <strong>Control</strong> 75<br />
Samsun, Turkey, 28 – 30 March 2011<br />
Injury (%)<br />
Injury (%)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
Corn<br />
0 2 4 6 8 10 12 14<br />
Hours after sunrise<br />
Soybean<br />
29 kg ha 1<br />
43 kg ha 1<br />
87 kg ha 1<br />
0 2 4 6 8 10 12 14<br />
Hours after sunrise<br />
Injury (%)<br />
Injury (%)<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
100<br />
80<br />
60<br />
40<br />
20<br />
0<br />
Green foxtail<br />
0 2 4 6 8 10 12 14<br />
Hours after sunrise<br />
Velvetleaf<br />
0 2 4 6 8 10 12 14<br />
Hours after sunrise<br />
Figure 1b. Plant injury as influenced by various times <strong>of</strong> day at different propane dose at 7 d after<br />
treatment. The plant species tested were corn, green foxtail, soybean, <strong>and</strong> velvetleaf. The regression<br />
lines are calculated using Equation 2, <strong>and</strong> the parameter values are reported in Table 4.
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