DuRPh - Durable Resistance against Phytophthora through cisgenic marker-free modification
A fundamental and applied research project aiming to develop potato cultivars with a durable and a high level of resistance against the main potato disease, late blight or Phytophthora
DuRPh aims to contribute to a more sustainable potato cultivation in the Netherlands and abroad.
The Dutch Ministry of Agriculture, Nature and Food Quality (LNV) has commissioned the project. Wageningen UR implements the research. |
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| Why DuRPh |
| Potatoes are among the most important arable crops in the Netherlands and globally. The potato cultivation requires a high use of pesticides, compared to other crops. Growers primarily use these pesticides to protect the crop against late blight (Phytophthora infestans). These pesticides are a burden to the environment and represent a major cost to potato growers. Potato cultivars with a durable resistance against late blight can offer a solution. |
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| Approach and Background |
| DuRPh researchers want to provide potatoes additional resistance genes originating from other potato plants, in particular wild relatives. In principle, you could incorporate these genes in potato cultivars through crossing. However, when crossing with wild relatives, many unwanted 'wild' properties come along, such as ugly tubers and bitter tastes. It then takes a breeder many years of backcrossing with the cultured potato to obtain a useful variety. With genetic modification, this problem does not exist. |
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