A Note On Striga Investigation at Amani

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Doughty L.R
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Two species of Striga are serious pests on grain crops in various parts of the tropics, an.d the necessity for adequate control measures IS increasingly apparent. In South Africa, Striga asiatica (Linn.) O. Kuntze, commonly but incorrectly known as S. lutea Lour. ("Witchweed"), is the prevalent species. On European owned estates trap cropping has proved the most efficacious method of control so far devised but this has obvious disadvantages from the ~Point of view of the native cultivator; resistance to, or tolerance of, the pest are of far more interest to him. In South Africa,. Saunders [1] [4] has made a study of the life-history of S. asiatica and has bred resistant sorghum's. In current agricultural literature from India and Burma there are frequent references to breeding sorghums resistant to attack by this species.
East African Agricultural And Forestry Journal, p. 33-38