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《Journal of Jilin Agricultural University》 1991-01
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STUDIES OF THE MATHMATICAL MODEL FOR PREDICTION AND CHEMICAL CONTROL OF PHALERA FLAVENS CENS(Bremer et Grey)

Yi Boren et al  
Field investigation and chemical pesticide control experiment was made at the orchards of Jilin Agricultural University during 1987-1989 to establish a mathmatical model for the prediction of phalea flavenscens (Bremer et Grey)and to screen highly effective pesticides for the control. On the basis of the investigation, an improved Iwao Sequential Sampling Formular was proposed to be used in determining the critical stage i'or the control according to the number of plants damaged by the pest in mult'svnpl.33. This mathmatieat model, closely related to chemical control, was found effective in practice and can be put into use in orchard production.
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Qiao Chungui;THE FIELD DISTRIBUTION PATTERN AND SAMPLING TECHNICS OF PHALERA FLAVESCENS (BREMERET GREY)[J];Journal of Jilin Agricultural University;1989-04
【Co-citations】
Chinese Journal Full-text Database 1 Hits
1 Qiao Chungui;THE FIELD DISTRIBUTION PATTERN AND SAMPLING TECHNICS OF PHALERA FLAVESCENS (BREMERET GREY)[J];Journal of Jilin Agricultural University;1989-04
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