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i. Produce large quantities of seeds.
ii. Seeds remain viable for a long time.
iii. Some have effective mechanisms of dispersal.
iv. Some weeds have ability to propagate both by seeds and vegetative.
v. They have elaborate root system.
vi. Have underground structures storage/difficult to control.
vii. Some are able to compress their life cycle.
viii. Some are allelopathic.
gideon1 answered the question on October 11, 2017 at 07:19
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