Estimating control threshold of two-spotted spider mite, Tetranychus urticae Koch (Acari: Tetranychidae) on chrysanthemum using presence-absence sampling method

To develop an easier control decision-making system, the control threshold of Tetranychus urticae on chrysanthemum was estimated in terms of proportion of leaves with adult females. The relationship between the proportion of leaves with mites and the mean number of mites per leaf fitted the Kono-Sug...

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Veröffentlicht in:	Japanese Journal of Applied Entomology and Zoology 1998/02/25, Vol.42(1), pp.1-5
Hauptverfasser:	Kondo, A. (Okayama-ken. Agricultural Experiment Station, San-yo (Japan)), Sano, T, Chiwaki, K, Tanaka, F
Format:	Artikel
Sprache:	jpn
Schlagworte:	CHRYSANTHEMUM CONTROL DE PLAGAS control threshold ENCUESTAS SOBRE PLAGAS EVALUACION EVALUATION FORECASTING LUTTE ANTIRAVAGEUR MATHEMATICAL MODELS MODELE MATHEMATIQUE MODELOS MATEMATICOS PEST CONTROL PEST SURVEYS presence-absence sampling SURVEILLANCE DES DEPREDATEURS TECHNIQUE DE PREVISION TECNICAS DE PREDICCION TETRANYCHUS URTICAE
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