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Report from the Sub-committee on Agriculture

 

 

Table 8.6
Table showing crop-rotation diseases/nematodes and the number of years that normally have to elapse before the crop is again grown on the land in question (Source: Godt Landmandskab år 2000 (Good Agricultural PracticeYear 2000)).
Crop Disease/pest Also attacks Resistant varieties Number of years not cultivated
Wheat/rye Take-all disease Grain No 1
Eyespot Grain Some in wheat 2
Barley Oat nematodes Grain Yes 3
Typhula Rye No 3
Take-all disease Grain No 1
Eyespot Grain No 2
Oats Oat nematodes Grain Yes 3
Beets Beet nematodes Cruciferous No 3
Root rot peas No 3
Potatoes Potato nematodes - Yes 3
Common scab Carrots Some 3
Black scurf Grass, beets, Rape No 3
White/red clover Stem nematodes - Some 3
Sclerotinia Lucerne Some 3
Rape Beet nematodes Beets No 2-3
Clubroot   No 4
Sclerotinia Cruciferous peas etc. No 4
Peas Root rot Beets No 3-4
Wilt - Some 3-4
Sclerotinia Rape etc. No 3-4