Journal article

Publication year: 1991

Pages: 125-136

Journal: Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz = Journal of plant diseases and protection

Volume number: 98

Issue number: 2

ISSN: 0340-8159

Publisher: Ulmer

Abstract: 
Two regulative measures (reduced tiller density, extended crop rotation), which in accordance with "Rahmenrichtlinien zum okologischen Land- und Weinbau in der Bundesrepublik Deutschland" are common, can be demonstrated in their efficacy to fungal pathogens under practical conditions using the example of a biodynamic "model farm". Abandoning easily soluble mineral fertilizers and restriction to organic fertilizers lead mostly to a lower fertilization level than under conventional farming conditions. As a consequence of that, among other things, the tiller density of winter wheat on the biodynamic farm was essentially reduced. Two year's research has shown that under these conditions epidemic disease progress of powdery mildew was prevented and the initial outbreak of the Septoria-epidemic delayed. Higher leaf damages of S. nodorum occurring later could not be counteracted. A stronger spread of ear diseases was not discernible. The extensive and diverse crop rotation of the biodynamic farm reduced stem rot disease to a lower percentage than of the two conventional farms. Possibilities to prevent stronger spreading of seed-transferable pathogens in the biodynamic growing of cereals are discussed, particularly the purchase of untreated commercial seeds.

Harvard Citation style: KOCH, G. (1991) FUNGAL PATHOGENS ON WINTER-WHEAT IN COMPARISON OF 2 CONVENTIONAL FARMS AND ONE BIODYNAMIC FARM IN HESSE (FRG) 1986/87, Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz = Journal of plant diseases and protection, 98(2), pp. 125-136

APA Citation style: KOCH, G. (1991). FUNGAL PATHOGENS ON WINTER-WHEAT IN COMPARISON OF 2 CONVENTIONAL FARMS AND ONE BIODYNAMIC FARM IN HESSE (FRG) 1986/87. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz = Journal of plant diseases and protection. 98(2), 125-136.