Proceedings of the New Zealand Weed and Pest Control Conference, Volume 391986 - Pesticides |
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Page 33
THE EFFECT OF ARGENTINE STEM WEEVIL ON COCKSFOOT AND TALL
FESCUE WHEN SOWN WITH RYEGRASS ... Ruakura Soil and Plant Research
Station , MAF , Private Bag , Hamilton SUMMARY The effects of Argentine stem ...
THE EFFECT OF ARGENTINE STEM WEEVIL ON COCKSFOOT AND TALL
FESCUE WHEN SOWN WITH RYEGRASS ... Ruakura Soil and Plant Research
Station , MAF , Private Bag , Hamilton SUMMARY The effects of Argentine stem ...
Page 36
Tall fescue production was extremely low probably because stem weevil had on
average killed 40 % of available tillers by the first production cut and over 75 %
by the second cut ( mid - January ) ( Table 1 ) . Cocksfoot and endophyte - free ...
Tall fescue production was extremely low probably because stem weevil had on
average killed 40 % of available tillers by the first production cut and over 75 %
by the second cut ( mid - January ) ( Table 1 ) . Cocksfoot and endophyte - free ...
Page 76
Data from each portion of the stem at each sampling were subjected to analysis
of variance to test for treatment effects . An LSD test was applied and differences
at the 95 % level are given in Fig . 1 . RESULTS AND DISCUSSION Herbicide ...
Data from each portion of the stem at each sampling were subjected to analysis
of variance to test for treatment effects . An LSD test was applied and differences
at the 95 % level are given in Fig . 1 . RESULTS AND DISCUSSION Herbicide ...
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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