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Excerpt from Helminthosporium Spp. On Cereals and Sugarcane in India, Vol. 1: Diseases of Zea Mays and Sorghum Vulgare Caused by Species of Helminthosporium
In the United States of America it was noticed as early as 1889. In Southern France it was observed in 1903, in India (bihar) in 1907, in South Africa in 1912, in Australia in 1915 and in the Philippine Islands in 1919. Most writers have merely recorded the disease and have made no attempt to prove the parasitism of the fungus.
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