
doi: 10.1038/125672d0
IN an article entitled “Cotton in Africa” (NATURE, Feb. 22, 1930, pp. 291–292), referring to cotton in the Sudan, it is stated that “Recently the disease known as leaf-curl has been attacking the crops in this locality, and there is evidence that the jassid insect is responsible for spreading the contagion. The Corporation is now considering the desirability of breeding jassid-resistant strains in the Sudan.”
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