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- Title
Epidemics of Diseases and Pests of Winter Wheat at Different Levels of Agrochemical Input.
- Authors
Solel, Z.; Bruck, R. I.
- Abstract
The cropping system with winter wheat has changed considerably during the past fifteen years in the Netherlands. Crop biomass has been increased by use of new cultivars and higher levels of fertilizers and pesticides. The question which arises is to what extend the level of fertilization affects epidemics of pests and diseases, compared to the well-known effects of pesticides and cultivars. Epidemics observed in the winter wheat fields of the Development Farming System project (DFS) at Nagele, in 1984 and 1985 provided data for this analysis. Higher levels of fertilization stimulated epidemics of yellow rust, mildew, snow mould, leaf miners and cereal leaf beetles in the fields. The magnitude of the effect was comparable to those of the pesticides used and the cultivars sown. The level of fertilization showed no effect on five other species. How these interrelations between cropping practices and the associated development of pests and diseases can be used to design an integrated approach towards cereal cropping and breeding is discussed.
- Subjects
PLANT disease epidemics; PESTICIDES; EPIDEMICS; AGRICULTURAL chemicals; WINTER wheat; PLANT fertilization
- Publication
Journal of Phytopathology, 1989, Vol 125, Issue 4, p305
- ISSN
0931-1785
- Publication type
Article
- DOI
10.1111/j.1439-0434.1989.tb01075.x