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article/chapitre/communication
S. Hand | 1983article/chapitre/communication
J. Guldemond ; W. Vandenbrink ; E. Denbelder | 1998Realistic values of population growth rates are needed when used in forecasting programmes, e.g., in a programme of integrated control. Therefore, comparisons were made in a chrysanthemum - aphid system between different methods of assessing pop[...]article/chapitre/communication
R. Bowling ; G. Wilde ; D. Margolies | 1998Greenbugs, Schizaphis graminum (Rondani),present a well-documented example of the ability of insects to overcome designed host plant resistance. Four greenbug biotypes have been identified on wheat, Triticum aestivum L., and 3 on sorghum, Sorghu[...]article/chapitre/communication