AbstractPhosphonic and phosphinic acid analogues of glutamic and aspartic acids were synthesized and screened for herbicidal activity onLepidium sativumL. Depending on the chemical structure, they exhibited significant or moderate herbicidal activity againstL. sativumroots (with some representatives being equipotent with phosphinothricin), while their influence on shoot growth was negligible.Cucumis sativusL. appeared to be more tolerant to these analogues. The origin of this selectivity remains to be determined.
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