An observation on the influence of nitrogen fertilization on the attack of peas by powdery mildew (Erysiphe polygoni DC) |
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| Authors: | Tj. Wijngaarden J. Ellen |
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| Affiliation: | (1) Department of Field Crops and Grassland Husbandry, Agricultural University, Wageningen, Netherlands |
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| Abstract: | Summary A pot experiment with peas var. Pauli is described in which it was observed that plants fertilized with NH4NO3 were much less attacked by powdery mildew than those which did not receive any nitrogen. |
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