Examined was the possibility of interaction between morphactins and herbicides in phytotoxicity towards Spirodela as a test plant. Three newly synthesized 9-amine-9-fluorenephosphonic acid derivatives and the following herbicides were used: Aresin. Banvell D4-S. Gesagard. https://www.markbroyard.com/deal-time-gtech-airram-mk2-k9-roller-roll-brush-bar-filter-vacuum-cleaner-hot-on-sale-best-find/