Bruns, Dr Christian; Hagn, Dr Alexandra; Schloter, Dr Michael; Michel, Dr Kerstin and Ludwig, Prof.Dr. Bernard (2006) Suppressive effects of yard waste composts on Pythium spp. and Phytophthora spp. damping-off - a review about several research studies. Paper at: Joint Organic Congress, Odense, Denmark, May 30-31, 2006.
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Summary
In three long-term studies Yard Waste Composts (YWC) turned out to be sustainable suppressive to Pythium and Phytophthora root rot reducing the disease up to 98%. This was shown under lab and commercial conditions with composts from model and pilot-scale systems. Though suppression was related to microbial activity of the media we could not find a single microbial indicator for suppression over a wide range of samples. High quality YWC of different age showed distinct DNA fingerprints but similar suppressive effects. Thus, still it remains unclear what kind of microbial populations and functions are affecting disease suppression. However, non-destructive near-infrared spectroscopy (NIRS) turned out to predict suppression at least satisfactorily.
| EPrint Type: | Conference paper, poster, etc. |
|---|---|
| Type of presentation: | Paper |
| Subjects: | Crop husbandry > Crop health, quality, protection Crop husbandry > Composting and manuring |
| Research affiliation: | International Conferences > 2006: Joint Organic Congress > Theme 4: Crop systems and soils |
| Deposited By: | Bruns, Dr. Christian |
| ID Code: | 7791 |
| Deposited On: | 09 May 2006 |
| Last Modified: | 12 Apr 2010 07:32 |
| Document Language: | English |
| Status: | Published |
| Refereed: | Not peer-reviewed |
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