Shoot initiation on cauliflower roots caused by morphactin

Absorption and translocation of the growth regulator14C-chlorflurenol (methyl-2-chloro-9-hydroxyfluorene-9-carboxylate) and of the herbicide14C-dicamba (3,6-dichloro-o-anisic acid) were studied in Canada thistle [Cirsium arvense(L.) Scop.]. Also investigated was how foliar treatments with chlorflurenol affected leaf uptake and distribution of dicamba by Canada thistle. Plants were grown in aerated nutrient solution.14C-chlorflurenol showed strong acropetal and weak basipetal movement. Thirty-two percent of the foliar applied14C-dicamba was absorbed and most of the radioactivity tended to accumulate in the young growing leaves. Only 0.6% of the applied radioactivity moved to the roots. Leaf absorption and basipetal translocation of14C-dicamba were increased two- and ten-fold, respectively, by the simultaneous addition of chlorflurenol at 0.6 kg/ha. Root bud activity was increased when 4-week-old Canada thistle plants were foliarly treated with chlorflurenol at 0.6 kg/ha. Field work demonstrated that Canada thistle control could be enhanced by chlorflurenol addition to dicamba.

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Der Einfluß von Morphaktinen auf das Wachstum, die Seitentriebbildung und den Blattfarbstoffgehalt vonGlycine max(L.) Merr.

Dontschev¹

1977

Archives Of Phytopathology And Plant Protection

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Shoot initiation on cauliflower roots caused by morphactin

Cited by 3 publications

References 4 publications

Induced budding in root-tips and attached leaves of Heloniopsis orientalis (Liliaceae)

Induced budding in root-tips and attached leaves of Heloniopsis orientalis (Liliaceae)

Chlorflurenol Effects on Absorption and Translocation of Dicamba in Canada Thistle (Cirsium arvense)

Der Einfluß von Morphaktinen auf das Wachstum, die Seitentriebbildung und den Blattfarbstoffgehalt vonGlycine max(L.) Merr.

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