Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 65
EVALUATION OF CHEMICALS FOR MANIPULATING SUMMER PASTURE GROWTH M.A. RICHARDSON * and C.C. BELL Agricultural Research Division , MAF , PO Box 1654 , Palmerston North Low rates of the herbicide paraquat have been used to suppress spring ...
EVALUATION OF CHEMICALS FOR MANIPULATING SUMMER PASTURE GROWTH M.A. RICHARDSON * and C.C. BELL Agricultural Research Division , MAF , PO Box 1654 , Palmerston North Low rates of the herbicide paraquat have been used to suppress spring ...
Page 148
148 SCREENING CHEMICALS TO CONTROL GREENHOUSE WHITEFLY ON TAMARILLO R.H. BLANK , M.J. BALGROVE and J.E. WALLER * Agricultural Research Division , MAF , P.O. Box 943 , Whangarei * Ruakura Soil and Plant Research Station , MAF , Private ...
148 SCREENING CHEMICALS TO CONTROL GREENHOUSE WHITEFLY ON TAMARILLO R.H. BLANK , M.J. BALGROVE and J.E. WALLER * Agricultural Research Division , MAF , P.O. Box 943 , Whangarei * Ruakura Soil and Plant Research Station , MAF , Private ...
Page 151
151 Trial 2 screened chemicals selected because of effectiveness ( Trial 1 ) or low cost . Chemicals were applied ( as for Trial 1 ) at two rates ( Table 2 ) on 26 June 1985 and leaves were picked for larval and pupal mortality ...
151 Trial 2 screened chemicals selected because of effectiveness ( Trial 1 ) or low cost . Chemicals were applied ( as for Trial 1 ) at two rates ( Table 2 ) on 26 June 1985 and leaves were picked for larval and pupal mortality ...
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
31 other sections not shown
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activity adult aphid application asparagus assessed Auckland block caused Centre chemicals clopyralid compared counts cover crop damage density DISCUSSION disease DSIR effect eggs emergence establishment experiments field formulation four fruit fungicides gave glyphosate gorse grass grass grub ground growth Hamilton harvest height herbicide higher important increased indicated infested insect insecticide kg ai/ha larvae leaf leaves less levels lower lucerne March Mean measured METHODS months mortality North numbers observed occurred P.O. Box pasture Pest Control Conf plants plots population present Private Proc production pupae ragwort range rates reduced REFERENCES replicates reported Research residues root ryegrass samples scale season seed seedlings showed significant significantly similar soil spears species spray spring stage stem Table tested thistle treated treatments trees trials untreated vines Weed and Pest weed control weeks weevil whitefly yield Zealand