<H1>Lack of Post Herbicide Performance</H1> <P><UL> <LI><H2>Environmental stresses </H2> </UL><UL> <LI><H2>Weed growth stage </H2> </UL><UL> <LI><H2>Rain/irrigation wash-off </H2> </UL><UL> <LI><H2>No adjuvant </H2> </UL><UL> <LI><H2>Poor spray coverage </H2> </UL></P>