Translations:Manfred Klett: Von der Agrartechnologie zur Landbaukunst/881/en

Aus BiodynWiki

With generative replanting of open-pollinated varieties, a varietal decline is the rule, in varying degrees. Underlying the self-incompatibility is the one-sided multiplication of harmful organisms such as bacteria, fungi, insects, and other soil animals, as well as pathogenic root exudates of the cultivated plants themselves (*allelopathy*). The harmful organisms can be met in the following ways: