Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 98
An important factor to be considered where a herbicide is to be broadcast over
scrub infested areas is the tolerance of non - target species . In this work limited
observations suggested that the grass species associated with a sweet brier ...
An important factor to be considered where a herbicide is to be broadcast over
scrub infested areas is the tolerance of non - target species . In this work limited
observations suggested that the grass species associated with a sweet brier ...
Page 102
102 TOLERANCE OF TREE SPECIES TO HALOXYFOP AND CLOPYRALID
APPLIED IN EARLY SUMMER B . J . COSSLETT Forest Research Institute ,
Christchurch Eucalypts and cypresses are sensitive to many of the herbicides
commonly ...
102 TOLERANCE OF TREE SPECIES TO HALOXYFOP AND CLOPYRALID
APPLIED IN EARLY SUMMER B . J . COSSLETT Forest Research Institute ,
Christchurch Eucalypts and cypresses are sensitive to many of the herbicides
commonly ...
Page 185
0 where the relative importance of the species between seasons or sites is
similar . RESULTS Some species were considerably more widespread within the
maps , than were others ( Table 1a ) . Californian thistle was the most widespread
...
0 where the relative importance of the species between seasons or sites is
similar . RESULTS Some species were considerably more widespread within the
maps , than were others ( Table 1a ) . Californian thistle was the most widespread
...
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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