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Germination stimulants produced by Vigna unguiculata Walp cv Saunders Upright

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Abstract

A germination stimulant, alectrol, for the seeds of the angiospermous root parasites Alectra vogelii Benth. and Striga gesnerioides (Willd.) Vatke has been isolated from root exudates of its genuine host plant Vigna unguiculata Walp cv Saunders Upright. Its spectroscopic data lead to a chemical structure closely related to (+)-strigol. The compound is more active than strigol in stimulating seeds of the respective parasites, Alectra vogelii and Striga gesnerioides.

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Abbreviations

AV:

Alectra vogelii

OA:

Orobanche aegyptiaca

SA:

Striga asiatica

SG:

Striga gesnerioides

SH:

Striga hermonthica

TFA:

trifluoroacetic acid

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Authors and Affiliations

  1. Organisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 270, W-6900, Heidelberg, Germany

    Sigrid Müller, Christian Hauck & Hermann Schildknecht

Authors
  1. Sigrid Müller
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  2. Christian Hauck
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  3. Hermann Schildknecht
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Müller, S., Hauck, C. & Schildknecht, H. Germination stimulants produced by Vigna unguiculata Walp cv Saunders Upright. J Plant Growth Regul 11, 77–84 (1992). https://doi.org/10.1007/BF00198018

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  • DOI: https://doi.org/10.1007/BF00198018

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