However, yield figures and specific demand for the oil indicate crambe is a potential oilseed crop of good economic value. In 1972, about 700 hectares were cultivated, mainly in Illinois, Indiana, and Ohio. Many countries in Europe are also experimenting with crambe as a possible new crop. The nematode, Heterodera schachtii, has been isolated from crambe. Cabbage maggots cause damage in some areas.
Plants are more susceptible to insect attack if damaged by hail, wind, or rain.
References Buchanan, R.A. and Duke, J.A. 1981. Duke, J.A. 1978. The quest for tolerant germplasm. Duke, J.A. 1979. Ecosystematic data on economic plants.