Japanese Knotweed. Japanese knotweed is one of the most invasive plants in the UK. It grows rapidly (over 1.5m in a month) and spreads easily by stem fragments and rhizomes (underground creeping stems).1  Overview / Identification Notes. 2  Image Gallery.apanese knotweed is one of the most invasive plants in the UK. It grows rapidly (over 1.5m in a month) and spreads easily by stem fragments and rhizomes (underground creeping stems). 1  Overview / Identification Notes.
ISO 22000 is quickly growing in popularity. A hybrid of the ISO 9001 Quality Management System and the HACCP Food Safety system, 22000 has been developed as an international solution for improving food safety.
It combines and supplements the core elements of ISO 9001 and HACCP to provide an effective framework for the development, implementation and continual improvement of a Food Safety Management System (FSMS).