01305naa a2200217 a 450000100080000000500110000800800410001910000150006024500890007526000090016430000180017349000080019152007210019965000240092065300230094465300210096770000130098870000120100170000120101377300620102516440851993-06-16       1983    bl uuuu     u00u1 u    #d1 aHUANG, M-D  aBiological control of citrus red mite, Panonychus citri (McG.) in Guangdong Province  c1983  ap.643-646 v.2  vv.2  aEffective biological control of citrus red mite Panonichus citri (McG.) by the polyphagous phytoseiid mite Amblyseius newsami Evans is possible when the weed Ageratum conyzoides Linn. is growing in citrus orchards in Guangdong Province. Cultivation of the weed renders the orchard environment more favorable for A. newsami. The weed reduces the summer temperature of the air in the canopy of trees in orchards from 40-45 degreeC to &lt 35 degreeC, increases humidity, suppresses the growth of other weeds and provides food in the form of pollen for the predaceous mites. The weed can be used as green manure. This method has been used to control citrus red mite in the districts growing citrus in Guangdong province.  aAgeratum Conyzoides  aAmblyseius newsami  aPredaceous mites1 aMAI, S-W1 aLI, S-X1 aSITU, J  tTokyo, Japan: International Society of Citriculture, 1983