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 ...
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 ...
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 ...
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 ...
Page 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 assessments 15 days
...
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 assessments 15 days
...
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Contents
Presidential Address | 13 |
Effect of application volume and spray additive concentration on the control | 89 |
The effect of metsulfuron on sweet brier M McD Turner G Iggo | 95 |
Copyright | |
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Common terms and phrases
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