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 102
The seedlings were planted in cultivated soil in August 1985 and by October were producing new growth , indicating that the trees were established . Clopyralid ( Versatill ) and haloxyfop ( Dowco - 453 ) at 2.5 and 4.0 kg ai / ha ...
The seedlings were planted in cultivated soil in August 1985 and by October were producing new growth , indicating that the trees were established . Clopyralid ( Versatill ) and haloxyfop ( Dowco - 453 ) at 2.5 and 4.0 kg ai / ha ...
Page 247
Final spore concentration was assessed by the same procedure 4 days after incubation at 20 +2 ° C . Growth of fungus was calculated as the difference between initial and final spore numbers . PDMA + peptone , PDA + peptone and Gibco PDA ...
Final spore concentration was assessed by the same procedure 4 days after incubation at 20 +2 ° C . Growth of fungus was calculated as the difference between initial and final spore numbers . PDMA + peptone , PDA + peptone and Gibco PDA ...
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Contents
Author Index | 9 |
PASTURE PESTS | 15 |
Field testing of seed protectants against black field cricket attack | 22 |
Copyright | |
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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