Previously treated areas need to be monitored in order to prevent new growth
from maturing. Seeds already set will sprout or go dormant for at least 8
years (Dr. Jean Yves Meyer, July 2000 update). These tables include
all sites previously surveyed and treated that were monitored during this
grant period, and the results.
Monitoring treatment at new and remote sites produced positive results, as
only two young plants were found at those sites. Monitoring results
at old established populations is not as encouraging. In many cases
destruction of large flowering trees increases the rate of seed sprouts by
allowing more sunlight to reach ground. This will be good in the long
run however, as the seeds already in the soil will germinate and be destroyed
sooner rather than later on.
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