TABLE CONTENTS

Nematode Management in Temperate Oil and Energy Crops
Schlathöelter, M.
P. H. Petersen Saatzucht Lundsgaard GmbH & Co. KG, D-24977 Grundhof, Germany
Nematode management in temperate oil and energy crops is based on resistance breeding of
the main crop, adapted crop rotation and using trap crops. The restriction of using chemical
nematicides in Europe claimed close collaboration of scientists and breeders to find
acceptable solutions for the farmer. Starting in the nineteen eighties with controlling beet cyst
nematodes (Heterodera schachtii) in sugar beet crop rotation with trap crops like resistant
fodder radish (Raphanus sativus) and mustard (Sinapis alba) the system of Integrated Pest
Management has increased stepwise by involving more crops and different nematodes.
Nowadays varieties exist in nearly all important main crops, which resist or tolerate
nematodes with serious economic damage. Many of these varieties have a no longer
disadvantages in cultivation characteristics and yield potential compared to susceptible
varieties. But changing climatic conditions and more intensive growing systems with limited
rotation and fewer times of black fallow result in new nematode problems (Pratylenchus sp.,
Trichodorus sp.). Also the careless exchange of machines, seeds and plants contributes to the
spreading of nematodes and leads to new difficulties.
A practical and effective solution of this challenge will be reached in the future only by a
close co-operation of scientists, breeders and farmers and has to maintain the current high
standard of intensive agriculture not only ecological but also highly economic. Competent
knowledge, large flexibility and enhanced specification are required from all took part to find
new, innovative solutions which meet with the complexity in nematodes and sustainable plant
production.
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