Summary
In the Netherlands seed potato crops are harvested when still green, the haulm being destroyed before harvest. We compared the effect on the contamination of seed potatoes byErwinia carotovora subsp.atroseptica (Eca) andE. chrysanthemi (Ech) of the common method of haulm destruction by flailing and chemically destroying remaining stems, with the recently developed green crop lifting method.
After chenical haulm destruction the levels of contamination with both Eca and Ech surviving cold storage were found not to differ significantly from those after green crop lifting. Losses due to watery wound rot (Pythium ultimum) were considerable in the warm and humid conditions during 1991, especially after green crop lifting.
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Kastelein, P., Bouman, A., Mulder, A. et al. The effect of green crop lifting on the contamination of seed potato tubers by pathogenicErwinia spp.. Potato Res 39, 31–42 (1996). https://doi.org/10.1007/BF02358204
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DOI: https://doi.org/10.1007/BF02358204