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 ... mechanical and biotic factors that
influence the effectiveness and reliability of seed establishment by this method (
e ...
INTRODUCTION Pasture renovation using conservation tillage methods is widely
practiced because it has important cost ... mechanical and biotic factors that
influence the effectiveness and reliability of seed establishment by this method (
e ...
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 offers
one ...
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 offers
one ...
Page 211
Although the mortality of both species was higher under controlled atmosphere
conditions than in air , the method was not ... Various methods have been
attempted to reduce the problem including field spraying , postharvest dipping in
...
Although the mortality of both species was higher under controlled atmosphere
conditions than in air , the method was not ... Various methods have been
attempted to reduce the problem including field spraying , postharvest dipping in
...
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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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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