A BOOK ON THE DISEASES OF PLANTS, FUNGICIDES AND INSECTICIDES, ETC. [Please select]
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These are always a source of danger, even when the seed is treated with fungicides before sowing. [Please select]
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"It does not seem probable that wheat smut will be controlled by any single practice, but rather by the combined use of various methods: crop rotation; the use of clean seed; seed treatment with fungicides; cultural practices and breeding; and selection of varieties." [Please select]
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