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Agronomy Journal Abstract -

Effect of Length of Rotation on Losses from Black Shank in Flue-Cured Tobacco Varieties1


This article in AJ

  1. Vol. 51 No. 9, p. 513-514

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  1. E. M. Matthews,
  2. Wybe Kroontje and
  3. R. G. Henderson2



Five flue-cured tobacco varieties were grown in rotations on a black shank-infested soil. In the 1-year rotation, losses from black shank increased rapidly in succeeding tobacco crops, while in the 3-year rotation losses decreased. The difference in black shank losses between the 3- and 1-year rotations was significant in 1956 and 1957. The black shank pathogen was not eliminated from the soil by a 3-year rotation or a 4-year period between tobacco crops.

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