Resistance of Sorghum to Witchweed

@article{WILLIAMS1959ResistanceOS,
  title={Resistance of Sorghum to Witchweed},
  author={COLIN N. WILLIAMS},
  journal={Nature},
  year={1959},
  volume={184},
  pages={1511-1512}
}
STRAINS of Sorghum vulgare resistant to root parasite witchweed (Striga lutea) have been bred in South Africa over a number of years.1 One of these (var. ‘Framida’) is characterized by its inability to germinate the parasite seed, which requires a stimulatory substance normally excreted from the host plant roots. A comparison of the resistant variety ‘Framida’, and a susceptible variety ‘Light Mori’ (from Nigeria) illustrates this point very clearly. Seedlings of the two varieties were grown in… CONTINUE READING

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