Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 41
INTRODUCTION Pasture renovation using conservation tillage methods is widely practiced because it has important cost , time and environmental advantages over cultivation methods ( Allen 1981 ) . There are , however , many mechanical and ...
INTRODUCTION Pasture renovation using conservation tillage methods is widely practiced because it has important cost , time and environmental advantages over cultivation methods ( Allen 1981 ) . There are , however , many mechanical and ...
Page 108
Cultural methods of control are practical only where infestations are small and the vines can be pulled out by hand . Cutting large plants provides only short term relief as cut vines regrow vigorously . Control by chemical methods ...
Cultural methods of control are practical only where infestations are small and the vines can be pulled out by hand . Cutting large plants provides only short term relief as cut vines regrow vigorously . Control by chemical methods ...
Page 244
A REARING METHOD FOR THE NEW ZEALAND FLOWER THRIPS D.A.J. TEULON and D.R. PENMAN Department of Entomology ... a successful rearing method for the complete life cycle of a flower thrips , and the methods described in this note owe much ...
A REARING METHOD FOR THE NEW ZEALAND FLOWER THRIPS D.A.J. TEULON and D.R. PENMAN Department of Entomology ... a successful rearing method for the complete life cycle of a flower thrips , and the methods described in this note owe much ...
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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