Experiences with the breeding of red clover resistant to the stem eelworm

✍ Scribed by J. Dijkstra

• Publisher: Springer
• Year: 1956
• Tongue: English
• Weight: 720 KB
• Volume: 5
• Category: Article
• ISSN: 0014-2336
• DOI: 10.1007/bf00038852

✦ Synopsis

In the Netherlands, like in many other countries of the temperate regions, locally red clover is frequently attacked by the stem eelworm Ditylenchus dipsaci (KOHN) FILIPJEV . Farmers practise ample crop rotation to avoid damage, but it gives no adequate control of the disease . Figures 1 and2 show respectively a healthy and a diseased crop .

Apart from the occurrence of survived eelworms in the soil, infection can also start from eelworms which have been transferred with seed . They can be killed by disinfecting the seed with methyl bromide ( 5) . This means of control has been practised only recently in the Netherlands . No results of this procedure have been published so far .

In a region infested with eelworms a healthy crop could be obtained if a resistant variety was available. In other countries, such as Sweden, Denmark and Germany s earch is being made for resistant forms . In Sweden the resistant strain Merkur was